10-Q 1 a20150630tti10q.htm 10-Q

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON D.C. 20549

FORM 10-Q
[X] QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d)
OF THE SECURITIES EXCHANGE ACT OF 1934
FOR THE QUARTERLY PERIOD ENDED JUNE 30, 2015
[ ] TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d)
OF THE SECURITIES EXCHANGE ACT OF 1934
FOR THE TRANSITION PERIOD FROM TO .
COMMISSION FILE NUMBER 1-13455
TETRA Technologies, Inc.
(Exact name of registrant as specified in its charter)

Delaware | 74-2148293
(State of incorporation) | (I.R.S. Employer Identification No.)
24955 Interstate 45 North |
The Woodlands, Texas | 77380
(Address of principal executive offices) | (zip code)

(281) 367-1983
(Registrant’s telephone number, including area code)

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports) and (2) has been subject to such filing requirements for the past 90 days. Yes [ X ] No [ ]
Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files). Yes [ X ] No [ ]
Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See the definitions of “large accelerated filer,” “accelerated filer,” and “smaller reporting company” in Rule 12b-2 of the Exchange Act. (Check One):

Large accelerated filer [ X ] | Accelerated filer [ ]
Non-accelerated filer [ ] (Do not check if a smaller reporting company) | Smaller reporting company [ ]

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes [ ] No [ X ]
As of August 7, 2015, there were 80,192,311 shares outstanding of the Company’s Common Stock, $0.01 par value per share.

PART I
FINANCIAL INFORMATION
Item 1. Financial Statements.
TETRA Technologies, Inc. and Subsidiaries
Consolidated Statements of Operations
(In Thousands, Except Per Share Amounts)
(Unaudited)

| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2015 |  | 2014 |  | 2015 |  | 2014
Revenues: |  |  |  |  |  |  |  |  |
Product sales | $ | 149,652 |  |  | $ | 82,871 |  |  | $ | 234,538 |  |  | $ | 159,623 |
Services and rentals | 166,667 |  |  | 159,618 |  |  | 332,873 |  |  | 295,723 |
Total revenues | 316,319 |  |  | 242,489 |  |  | 567,411 |  |  | 455,346 |
Cost of revenues: |  |  |  |  |  |  |  |  |  |  |
Cost of product sales | 105,084 |  |  | 76,706 |  |  | 168,663 |  |  | 141,735 |
Cost of services and rentals | 102,307 |  |  | 108,301 |  |  | 205,391 |  |  | 208,239 |
Depreciation, amortization, and accretion | 39,067 |  |  | 22,007 |  |  | 77,410 |  |  | 45,047 |
Total cost of revenues | 246,458 |  |  | 207,014 |  |  | 451,464 |  |  | 395,021 |
Gross profit | 69,861 |  |  | 35,475 |  |  | 115,947 |  |  | 60,325 |
General and administrative expense | 37,472 |  |  | 32,270 |  |  | 72,741 |  |  | 65,690 |
Interest expense, net | 12,340 |  |  | 4,604 |  |  | 25,226 |  |  | 9,315 |
Other (income) expense, net | 1,941 |  |  | 1,095 |  |  | 1,927 |  |  | (1,503 | )
Income (loss) before taxes | 18,108 |  |  | (2,494 | ) |  | 16,053 |  |  | (13,177 | )
Provision (benefit) for income taxes | 2,741 |  |  | (944 | ) |  | 4,310 |  |  | (5,537 | )
Net income (loss) | 15,367 |  |  | (1,550 | ) |  | 11,743 |  |  | (7,640 | )
Less: income attributable to noncontrolling interest | (442 | ) |  | (907 | ) |  | (1,266 | ) |  | (1,751 | )
Net income (loss) attributable to TETRA stockholders | $ | 14,925 |  |  | $ | (2,457 | ) |  | $ | 10,477 |  |  | $ | (9,391 | )
Basic net income (loss) per common share: |  |  |  |  |  |  |  |  |
Net income (loss) attributable to TETRA stockholders | $ | 0.19 |  |  | $ | (0.03 | ) |  | $ | 0.13 |  |  | $ | (0.12 | )
Average shares outstanding | 79,165 |  |  | 78,525 |  |  | 79,037 |  |  | 78,416 |
Diluted net income (loss) per common share: |  |  |  |  |  |  |  |  |  |
Net income (loss) attributable to TETRA stockholders | $ | 0.19 |  |  | $ | (0.03 | ) |  | $ | 0.13 |  |  | $ | (0.12 | )
Average diluted shares outstanding | 79,915 |  |  | 78,525 |  |  | 79,506 |  |  | 78,416 |

See Notes to Consolidated Financial Statements
1

TETRA Technologies, Inc. and Subsidiaries
Consolidated Statements of Comprehensive Income (Loss)
(In Thousands)
(Unaudited)

| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2015 |  | 2014 |  | 2015 |  | 2014
Net income (loss) | $ | 15,367 |  |  | $ | (1,550 | ) |  | $ | 11,743 |  |  | $ | (7,640 | )
Foreign currency translation adjustment, including taxes of $0 and $0 in 2015 and including taxes of $(750) and $446 in 2014 | 2,358 |  |  | 3,244 |  |  | (7,429 | ) |  | 777 |
Comprehensive income (loss) | 17,725 |  |  | 1,694 |  |  | 4,314 |  |  | (6,863 | )
Less: comprehensive income attributable to noncontrolling interest | (442 | ) |  | (907 | ) |  | (1,266 | ) |  | (1,751 | )
Comprehensive income (loss) attributable to TETRA stockholders | $ | 17,283 |  |  | $ | 787 |  |  | $ | 3,048 |  |  | $ | (8,614 | )

See Notes to Consolidated Financial Statements
2

TETRA Technologies, Inc. and Subsidiaries
Consolidated Balance Sheets
(In Thousands)

| June 30, 2015 |  | December 31, 2014
| (Unaudited) |  |  |
ASSETS |  |  |  |  |
Current assets: |  |  |  |  |
Cash and cash equivalents | $ | 41,941 |  |  | $ | 48,384 |
Restricted cash | 8,697 |  |  | 8,721 |
Trade accounts receivable, net of allowances of $5,299 in 2015 and $2,485 in 2014 | 190,908 |  |  | 226,966 |
Deferred tax asset, net | 351 |  |  | 392 |
Inventories | 181,942 |  |  | 189,357 |
Assets held for sale | — |  |  | 2,568 |
Prepaid expenses and other current assets | 27,634 |  |  | 24,463 |
Total current assets | 451,473 |  |  | 500,851 |
Property, plant, and equipment: |  |  |  |  |
Land and building | 79,173 |  |  | 75,200 |
Machinery and equipment | 1,359,786 |  |  | 1,292,734 |
Automobiles and trucks | 51,311 |  |  | 57,035 |
Chemical plants | 180,078 |  |  | 174,108 |
Construction in progress | 6,894 |  |  | 21,483 |
Total property, plant, and equipment | 1,677,242 |  |  | 1,620,560 |
Less accumulated depreciation | (556,428 | ) |  | (496,368 | )
Net property, plant, and equipment | 1,120,814 |  |  | 1,124,192 |
Other assets: |  |  |  |  |
Goodwill | 293,278 |  |  | 293,866 |
Patents, trademarks and other intangible assets, net of accumulated amortization of $46,095 in 2015 and $39,754 in 2014 | 99,813 |  |  | 105,967 |
Deferred tax assets, net | 1,974 |  |  | 1,791 |
Other assets | 36,293 |  |  | 40,966 |
Total other assets | 431,358 |  |  | 442,590 |
Total assets | $ | 2,003,645 |  |  | $ | 2,067,633 |

See Notes to Consolidated Financial Statements
3

TETRA Technologies, Inc. and Subsidiaries
Consolidated Balance Sheets
(In Thousands, Except Share Amounts)

| June 30, 2015 |  | December 31, 2014
| (Unaudited) |  |  |
LIABILITIES AND EQUITY |  |  |  |  |
Current liabilities: |  |  |  |  |
Trade accounts payable | $ | 79,720 |  |  | $ | 119,240 |
Unearned income | 58,884 |  |  | 70,688 |
Accrued liabilities | 86,986 |  |  | 85,681 |
Current portion of long-term debt | 90,000 |  |  | 90,074 |
Decommissioning and other asset retirement obligations | 11,521 |  |  | 12,758 |
Total current liabilities | 327,111 |  |  | 378,441 |
Long-term debt, net of current portion | 846,112 |  |  | 844,961 |
Deferred income taxes | 9,538 |  |  | 10,525 |
Decommissioning and other asset retirement obligations, net of current portion | 47,887 |  |  | 49,983 |
Other liabilities | 17,953 |  |  | 18,122 |
Total long-term liabilities | 921,490 |  |  | 923,591 |
Commitments and contingencies |  |  |  |  |
Equity: |  |  |  |  |
TETRA stockholders' equity: |  |  |  |  |
Common stock, par value $0.01 per share; 100,000,000 shares authorized; 82,924,318 shares issued at June 30, 2015 and 82,322,876 shares issued at December 31, 2014 | 829 |  |  | 823 |
Additional paid-in capital | 244,053 |  |  | 241,166 |
Treasury stock, at cost; 2,731,509 shares held at June 30, 2015, and 2,672,930 shares held at December 31, 2014 | (16,664 | ) |  | (16,419 | )
Accumulated other comprehensive income (loss) | (33,644 | ) |  | (26,215 | )
Retained earnings | 180,835 |  |  | 170,358 |
Total TETRA stockholders' equity | 375,409 |  |  | 369,713 |
Noncontrolling interests | 379,635 |  |  | 395,888 |
Total equity | 755,044 |  |  | 765,601 |
Total liabilities and equity | $ | 2,003,645 |  |  | $ | 2,067,633 |

See Notes to Consolidated Financial Statements
4

TETRA Technologies, Inc. and Subsidiaries
Consolidated Statements of Cash Flows
(In Thousands)
(Unaudited)

| Six Months Ended June 30,
| 2015 |  | 2014
Operating activities: |  |  |  |  |
Net income (loss) | $ | 11,743 |  |  | $ | (7,640 | )
Reconciliation of net income (loss) to cash provided by operating activities: |  |  |
Depreciation, amortization, and accretion | 77,410 |  |  | 45,047 |
Provision (benefit) for deferred income taxes | (953 | ) |  | (12,932 | )
Equity-based compensation expense | 4,197 |  |  | 3,273 |
Provision for doubtful accounts | 1,354 |  |  | (10 | )
Excess decommissioning and abandoning costs | 6 |  |  | 18,965 |
Other non-cash charges and credits | (109 | ) |  | (3,272 | )
Gain on sale of assets | (2,306 | ) |  | (239 | )
Changes in operating assets and liabilities, net of assets acquired: |  |  |  |  |
Accounts receivable | 31,137 |  |  | 10,198 |
Inventories | 6,148 |  |  | 8,979 |
Prepaid expenses and other current assets | (2,092 | ) |  | 3,820 |
Trade accounts payable and accrued expenses | (43,079 | ) |  | 6,536 |
Decommissioning liabilities, net | (4,411 | ) |  | (29,766 | )
Other | 3,117 |  |  | (2,339 | )
Net cash provided by operating activities | 82,162 |  |  | 40,620 |
Investing activities: |  |  |  |  |
Purchases of property, plant, and equipment | (73,269 | ) |  | (52,240 | )
Acquisition of businesses, net of cash acquired | — |  |  | (18,337 | )
Proceeds on sale of property, plant, and equipment | 3,943 |  |  | 4,250 |
Other investing activities | (323 | ) |  | (935 | )
Net cash used in investing activities | (69,649 | ) |  | (67,262 | )
Financing activities: |  |  |  |  |
Proceeds from long-term debt | 203,871 |  |  | 76,450 |
Principal payments on long-term debt | (203,045 | ) |  | (47,626 | )
CCLP distributions | (18,723 | ) |  | (2,508 | )
Proceeds from exercise of stock options | 101 |  |  | 391 |
Other financing activities | (244 | ) |  | (369 | )
Net cash provided by (used in) financing activities | (18,040 | ) |  | 26,338 |
Effect of exchange rate changes on cash | (916 | ) |  | (881 | )
Decrease in cash and cash equivalents | (6,443 | ) |  | (1,185 | )
Cash and cash equivalents at beginning of period | 48,384 |  |  | 38,754 |
Cash and cash equivalents at end of period | $ | 41,941 |  |  | $ | 37,569 |
Supplemental cash flow information: |  |  |  |
Interest paid | $ | 28,418 |  |  | $ | 8,916 |
Income taxes paid | 4,814 |  |  | 6,972 |

See Notes to Consolidated Financial Statements
5

TETRA Technologies, Inc. and Subsidiaries
Notes to Consolidated Financial Statements
(Unaudited)
NOTE A – BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES
We are a geographically diversified oil and gas services company, focused on completion fluids and associated products and services, water management, frac flowback, production well testing, offshore rig cooling, compression services and equipment, and selected offshore services including well plugging and abandonment, decommissioning, and diving. We also have a limited domestic oil and gas production business. We were incorporated in Delaware in 1981 and are composed of five reporting segments organized into four divisions – Fluids, Production Testing, Compression, and Offshore. Unless the context requires otherwise, when we refer to “we,” “us,” and “our,” we are describing TETRA Technologies, Inc. and its consolidated subsidiaries on a consolidated basis.
The consolidated financial statements include the accounts of our wholly owned subsidiaries. We consolidate the financial statements of CSI Compressco LP and its subsidiaries ("CCLP") as part of our Compression segment. We control CCLP through our ownership of its general partner. The public ownership share of CCLP's net assets and earnings is presented as a component of noncontrolling interest in our consolidated financial statements. Investments in unconsolidated joint ventures in which we participate are accounted for using the equity method. Our interests in oil and gas properties are proportionately consolidated. All significant intercompany accounts and transactions have been eliminated in consolidation.
As a result of CCLP's acquisition of Compressor Systems, Inc. ("CSI") on August 4, 2014, our Compression Division's operations have significantly expanded. See Note B - Acquisitions for further discussion.
The accompanying unaudited consolidated financial statements have been prepared in accordance with Rule 10-01 of Regulation S-X for interim financial statements required to be filed with the Securities and Exchange Commission ("SEC") and do not include all information and footnotes required by generally accepted accounting principles for complete financial statements. However, the information furnished reflects all normal recurring adjustments, which are, in the opinion of management, necessary to provide a fair statement of the results for the interim periods. The accompanying unaudited consolidated financial statements should be read in conjunction with the audited financial statements for the year ended December 31, 2014.
Certain previously reported financial information has been reclassified to conform to the current year period’s presentation. The impact of such reclassifications was not significant to the prior year period’s overall presentation. These reclassifications include the final allocation of the purchase price of CSI. See Note B - Acquisitions for further discussion.
Beginning in 2014, and continuing into mid-2015, significant decreases in oil and natural gas commodity prices lowered the capital expenditure and operating plans of many of our customers, creating additional uncertainty regarding the expected demand for many of our products and services and the resulting cash flows from operating activities for the foreseeable future. In addition, the availability of new borrowings in the current capital markets is more limited and costly. Accordingly, we continue to implement cost reduction measures designed to lower our cost structure in the current market environment, and have taken other steps to improve our operating cash flows. In addition, we are considering certain financing transactions with a view of generating additional cash to reduce the amount of our outstanding borrowings under our credit agreement, repay or refinance certain of our senior notes, and generate additional liquidity. We believe the steps taken have enhanced our operating cash flows and will continue to enhance our operating cash flows in the future. As a result, we believe that, despite the current industry environment and activity levels, we will have adequate liquidity to fund our operations and debt obligations and maintain compliance with debt covenants through June 30, 2016, including the repayment of the $90.0 million principal amount of the Series 2006-A Senior Notes, which mature in April 2016. However, we cannot predict how an extended period of low commodity prices will affect our operations and liquidity levels.
Use of Estimates
The preparation of financial statements in conformity with generally accepted accounting principles requires us to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclose contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and
6

expenses during the reporting period. For further discussion of fair value measurements in connection with the allocation of the purchase price of the CSI acquisition, see Note B - Acquisitions. Actual results could differ from those estimates, and such differences could be material.
Cash Equivalents
We consider all highly liquid cash investments, with a maturity of three months or less when purchased, to be cash equivalents.
Restricted Cash
Restricted cash is classified as a current asset when it is expected to be repaid or settled in the next twelve month period. Restricted cash reported on our balance sheet as of June 30, 2015 consists primarily of escrowed cash associated with our July 2011 purchase of a heavy lift derrick barge. The escrowed cash will be released to the sellers or us in accordance with the terms of the escrow agreement.
Inventories
Inventories are stated at the lower of cost or market value. The cost of finished goods, raw materials, and parts and supplies are determined using the weighted average method. The cost of work in progress is determined using the specific identification method.
Significant components of inventories as of June 30, 2015, and December 31, 2014, are as follows:

| June 30, 2015 |  | December 31, 2014
| (In Thousands)
Finished goods | $ | 54,502 |  |  | $ | 62,188 |
Raw materials | 3,318 |  |  | 5,005 |
Parts and supplies | 53,282 |  |  | 51,229 |
Work in progress | 70,840 |  |  | 70,935 |
Total inventories | $ | 181,942 |  |  | $ | 189,357 |

Finished goods inventories include newly manufactured clear brine fluids as well as recycled brines that are repurchased from certain customers. Recycled brines are recorded at cost, using the weighted average method. Work in progress inventory consists primarily of new compressor packages located in the CCLP fabrication facility in Midland, Texas. We provide a reserve for estimated unrealizable inventory equal to the difference between the cost of inventory and its estimated realizable value.
Net Income (Loss) per Share
The following is a reconciliation of the weighted average number of common shares outstanding with the number of shares used in the computations of net income (loss) per common and common equivalent share:

| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2015 |  | 2014 |  | 2015 |  | 2014
| (In Thousands)
Number of weighted average common shares outstanding | 79,165 |  |  | 78,525 |  |  | 79,037 |  |  | 78,416 |
Assumed exercise of stock awards | 750 |  |  | — |  |  | 469 |  |  | — |
Average diluted shares outstanding | 79,915 |  |  | 78,525 |  |  | 79,506 |  |  | 78,416 |

For the three and six month periods ended June 30, 2015, the average diluted shares outstanding excludes the impact of 3,618,107 and 3,494,752, respectively, of average outstanding stock awards that have exercise prices in excess of the average market price, as the inclusion of these shares would have been antidilutive. For the three and six month periods ended June 30, 2014, the average diluted shares outstanding excludes the impact of all
7

outstanding stock awards, as the inclusion of these shares would have been antidilutive due to the net losses recorded during the periods.
Services and Rentals Revenues and Costs
A portion of our services and rentals revenues consist of lease rental income pursuant to operating lease arrangements for compressors and other equipment assets. For the three and six month periods ended June 30, 2015 and 2014, the following operating lease revenues and associated costs were included in services and rentals revenues and cost of services and rentals, respectively, in the accompanying consolidated statements of operations.

| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2015 |  | 2014 |  | 2015 |  | 2014
| (In Thousands)
Rental revenue | $ | 38,242 |  |  | $ | 5,995 |  |  | $ | 91,017 |  |  | $ | 13,511 |
Cost of rental revenue | $ | 22,812 |  |  | $ | 2,119 |  |  | $ | 44,341 |  |  | $ | 4,046 |

Foreign Currency Translation
We have designated the euro, the British pound, the Norwegian krone, the Canadian dollar, the Brazilian real, the Argentine peso, and the Mexican peso as the functional currency for our operations in Finland and Sweden, the United Kingdom, Norway, Canada, Brazil, Argentina, and certain of our operations in Mexico, respectively. The U.S. dollar is the designated functional currency for all of our other foreign operations. The cumulative translation effects of translating the accounts from the functional currencies into the U.S. dollar at current exchange rates are included as a separate component of equity. Foreign currency exchange gains and (losses) are included in Other Expense and totaled $(1.5) million and $(2.2) million during the three and six month periods ended June 30, 2015, respectively, and $(0.2) million and $(0.9) million during the three and six months ended June 30, 2014 , respectively.
Income Taxes
Our consolidated effective tax rates for the three and six month periods ended June 30, 2015, include the effects of changes in our expected valuation allowance at the end of 2015 related to our deferred tax assets, such as our U.S. net operating loss carryforward. In 2014, we increased our valuation allowance, primarily on our U.S. deferred tax assets after considering all available positive and negative evidence related to the realizability of our deferred tax assets. Included in our deferred tax assets are net operating loss carryforwards and tax credits that are available to offset future income tax liabilities in the U.S. as well as in certain foreign jurisdictions.
Fair Value Measurements
Fair value is defined as “the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date” within an entity’s principal market, if any. The principal market is the market in which the reporting entity would sell the asset or transfer the liability with the greatest volume and level of activity, regardless of whether it is the market in which the entity will ultimately transact for a particular asset or liability or if a different market is potentially more advantageous. Accordingly, this exit price concept may result in a fair value that may differ from the transaction price or market price of the asset or liability.
Under generally accepted accounting principles, the fair value hierarchy prioritizes inputs to valuation techniques used to measure fair value. Fair value measurements should maximize the use of observable inputs and minimize the use of unobservable inputs, where possible. Observable inputs are developed based on market data obtained from sources independent of the reporting entity. Unobservable inputs may be needed to measure fair value in situations where there is little or no market activity for the asset or liability at the measurement date and are developed based on the best information available in the circumstances, which could include the reporting entity’s own judgments about the assumptions market participants would utilize in pricing the asset or liability.
We utilize fair value measurements to account for certain items and account balances within our consolidated financial statements. Fair value measurements are utilized in the allocation of purchase consideration
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for acquisition transactions to the assets and liabilities acquired, including intangible assets and goodwill. In addition, we utilize fair value measurements in the initial recording of our decommissioning and other asset retirement obligations. Fair value measurements may also be utilized on a nonrecurring basis, such as for the impairment of long-lived assets, including goodwill. The fair value of our financial instruments, which include cash, restricted cash, accounts receivable, short-term borrowings, and long-term debt pursuant to our bank credit agreements, approximate their carrying amounts. The aggregate fair values of our long-term Senior Notes and Senior Secured Notes (as such terms are herein defined) at June 30, 2015 and December 31, 2014, were approximately $194.2 million and $310.7 million, respectively, compared to carrying amounts of $265.0 million and $305.0 million, respectively, as current interest rates on those dates were different than the stated interest rates on the Senior Notes and Senior Secured Notes. The fair values of the CCLP Senior Notes (as herein defined) at June 30, 2015 and December 31, 2014, respectively, were approximately $336.9 million (a level 2 fair value measurement) and $354.9 million compared to a face amount of approximately $350.0 million (See Note C - Long-Term Debt and Other Borrowings, for further discussion). We calculate the fair values of our Senior Notes and Senior Secured Notes as of June 30, 2015 (excluding the CCLP Senior Notes, which are publicly traded) internally, using current market conditions and average cost of debt (a level 2 fair value measurement).
The fair value of the liability for the WIT Water Transfer, LLC (acquired in January 2014 and doing business as TD Water Transfer) contingent purchase price consideration at June 30, 2015, was $0. We calculate the fair value of the liability for our contingent purchase price consideration obligation in accordance with the TD Water Transfer share purchase agreement based upon a probability weighted calculation using the actual and anticipated earnings of the acquired operations (a level 3 fair value measurement). We also utilize fair value measurements on a recurring basis in the accounting for our foreign currency forward sale derivative contracts. For these fair value measurements, we utilize the quoted value as determined by our counterparty financial institution (a level 2 fair value measurement). A summary of these fair value measurements as of June 30, 2015 and December 31, 2014, is as follows:

|  |  | Fair Value Measurements Using
| Total as of |  | Quoted Prices in Active Markets for Identical Assets or Liabilities |  | Significant Other Observable Inputs |  | Significant Unobservable Inputs
Description | June 30, 2015 |  | (Level 1) |  | (Level 2) |  | (Level 3)
| (In Thousands)
Asset for foreign currency derivative contracts | $ | 128 |  |  | — |  |  | 128 |  |  | — |
Liability for foreign currency derivative contracts | (145 | ) |  | — |  |  | (145 | ) |  | — |
Acquisition contingent consideration liability | — |  |  | — |  |  | — |  |  | — |
Net liability | $ | (17 | ) |  |  |  |  |  |

|  |  | Fair Value Measurements Using
| Total as of |  | Quoted Prices in Active Markets for Identical Assets or Liabilities |  | Significant Other Observable Inputs |  | Significant Unobservable Inputs
Description | Dec 31, 2014 |  | (Level 1) |  | (Level 2) |  | (Level 3)
| (In Thousands)
Asset for foreign currency derivative contracts | $ | — |  |  | $ | — |  |  | — |  |  | — |
Liability for foreign currency derivative contracts | (174 | ) |  | — |  |  | (174 | ) |  | — |
Acquisition contingent consideration liability | — |  |  | — |  |  | — |  |  | — |
Net liability | $ | (174 | ) |  |  |  |  |  |  |

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New Accounting Pronouncements
In May 2014, the Financial Accounting Standards Board ("FASB") issued ASU No. 2014-09, "Revenue from Contracts with Customers" (Topic 606). ASU No. 2014-09 supersedes the revenue recognition requirements in Accounting Standards Codification ("ASC") Topic 605, Revenue Recognition, and most industry-specific guidance. The core principle of the guidance is that an entity should recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. This guidance is effective for our first quarter in fiscal 2017, pending a one year deferral currently under consideration by the FASB, under either full or modified retrospective adoption. Early application is not permitted. We are currently assessing the potential effects of these changes to our consolidated financial statements.
In August 2014, the FASB issued ASU No. 2014-15, “Presentation of Financial Statements - Going Concern” (Topic 250). The ASU provides guidance on management's responsibility to evaluate whether there is substantial doubt about an entity's ability to continue as a going concern and in certain circumstances to provide related footnote disclosures. The ASU is effective for the annual period ending after December 15, 2016, and for annual and interim periods thereafter. Early adoption is permitted. We do not expect the adoption of this standard to have a material impact on our consolidated financial statements.
In January 2015, the FASB issued ASU No. 2015-01, “Income Statements - Extraordinary and Unusual Items” (Sub-Topic 225-20), which eliminates from U.S. GAAP the concept of extraordinary items. The guidance eliminates the separate presentation of extraordinary items on the income statement, net of tax and the related earnings per share, but does not affect the requirement to disclose material items that are unusual in nature or occurring infrequently. The ASU is effective for the annual period beginning after December 15, 2015 and interim periods within those annual periods, with early adoption permitted, and may be applied prospectively or retrospectively. We do not expect the adoption of this standard to have a material impact on our consolidated financial statements.
In April 2015, the FASB issued ASU No. 2015-03, “Interest - Imputation of Interest (Subtopic 835-30): Simplifying the Presentation of Debt Issuance Costs”. The ASU requires entities that have historically presented debt issuance costs as an asset to present those costs as a direct deduction from the carrying amount of the related debt liability. This presentation will result in the debt issuance costs being presented the same way debt discounts have historically been handled. The ASU does not change the recognition, measurement, or subsequent measurement guidance for debt issuance costs. The ASU is effective for the annual period beginning after December 15, 2015 and interim periods within those annual periods and is to be applied retrospectively. Early adoption is permitted. We plan to adopt this change retrospectively, and do not expect the adoption of this standard to have a material impact on our consolidated financial statements.
NOTE B – ACQUISITIONS
Acquisition of Compressor Systems, Inc.
On August 4, 2014, a subsidiary of CCLP acquired all of the outstanding capital stock of CSI, for $825.0 million cash (the "CSI Acquisition"). Prior to the acquisition, CSI owned one of the largest fleets of natural gas compressor packages in the United States. Headquartered in Midland, Texas, CSI fabricates, sells, and maintains natural gas compressors and provides a full range of compression products and services that covers compression needs throughout the entire natural gas production and transportation cycle to natural gas and oil producing clients. CSI derives revenues through three primary business lines: compression and related services, equipment and parts sales, and aftermarket services. Strategically, the acquisition affords the Compression Division the opportunity to capture significant synergies associated with its product and service offerings and its fabrication operations, to further penetrate new and existing markets, and to achieve administrative efficiencies and other strategic benefits.
Our allocation of the purchase price to the estimated fair value of the CSI net assets is as follows (in thousands):
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Current assets | $ | 101,411 |
Property and equipment | 571,706 |
Intangible assets | 68,000 |
Goodwill | 161,387 |
Total assets acquired | 902,504 |
Current liabilities | 77,504 |
Total liabilities assumed | 77,504 |
Net assets acquired | $ | 825,000 |

The allocation of purchase price includes approximately $161.4 million allocated to deductible goodwill recorded, and is supported by the strategic benefits discussed above that are expected to be generated from the acquisition. Adjustments to the allocation of purchase price affecting inventory, property, plant, and equipment, intangible assets, and other current assets and liabilities have been reflected in the accompanying consolidated balance sheets as of June 30, 2015 and December 31, 2014. The adjustment to the previously presented goodwill balance as of December 31, 2014 was $0.1 million. These adjustments to the allocation of purchase price for long-lived assets did not have a material impact on the depreciation and amortization of these assets. The acquired property, plant, and equipment is stated at fair value, and depreciation on the acquired property, plant, and equipment is computed using the straight-line method over the estimated useful lives of each asset. Buildings are depreciated using useful lives of 15 to 30 years. Machinery and equipment is depreciated using useful lives of 2 to 16 years. Automobiles and trucks are depreciated using useful lives of 3 to 4 years. The acquired intangible assets represent approximately $33.7 million for the trademark/trade name, approximately $21.4 million for customer relationships, and approximately $12.9 million of other intangible assets that are stated at estimated fair value and are amortized on a straight-line basis over their estimated useful lives, ranging from 2 to 15 years. These identified intangible assets are recorded net of approximately $9.7 million of accumulated amortization as of June 30, 2015.
For the three month period ended June 30, 2015, our revenues, depreciation and amortization, and pretax earnings, excluding $8.0 million of allocated interest and administrative expense, included $96.3 million, $16.5 million, and $6.7 million, respectively, associated with the CSI Acquisition. For the six month period ended June 30, 2015, our revenues, depreciation and amortization, and pretax earnings, excluding $15.8 million of allocated interest and administrative expense, included $167.5 million, $32.4 million, and $13.6 million, respectively, associated with the CSI Acquisition. Approximately $16.6 million of deferred financing costs related to the CSI Acquisition were incurred as of the acquisition date and included in other assets and will be amortized over the term of the related debt. An additional $9.3 million of interim financing costs related to the CSI Acquisition were incurred and reflected in other expense during the year ended December 31, 2014.
Pro Forma Financial Information
The pro forma information presented below has been prepared to give effect to the acquisition of CSI as if the transaction had occurred at the beginning of the period presented. The pro forma information includes the impact from the allocation of the acquisition purchase price on depreciation and amortization. The pro forma information is presented for illustrative purposes only and is based on estimates and assumptions we deemed appropriate. The following pro forma information is not necessarily indicative of the historical results that would have been achieved if the acquisition transactions had occurred in the past, and our operating results may have been different from those reflected in the pro forma information below. Therefore, the pro forma information should not be relied upon as an indication of the operating results that we would have achieved if the transaction had occurred at the beginning of the period presented or the future results that we will achieve after the transaction.
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| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2014 |  | 2014
| (In Thousands, Except Per Share Amounts)
Revenues | $ | 319,807 |  |  | $ | 625,696 |
Depreciation, amortization, and accretion | $ | 36,892 |  |  | $ | 74,616 |
Gross profit | $ | 48,404 |  |  | $ | 89,176 |
Net income (loss) | $ | (4,496 | ) |  | $ | (11,303 | )
Net income (loss) attributable to TETRA stockholders | $ | (5,607 | ) |  | $ | (14,612 | )
Per share information: |  |  |
Net income (loss) attributable to TETRA stockholders |  |  |
Basic | $ | (0.07 | ) |  | $ | (0.19 | )
Diluted | $ | (0.07 | ) |  | $ | (0.19 | )

NOTE C – LONG-TERM DEBT AND OTHER BORROWINGS
Our consolidated capital structure changed significantly during 2014 as a result of the CSI Acquisition. Because of the increased level of consolidated debt, it is increasingly important to consider TETRA's capital structure and CCLP's capital structure separately, as we have no cross default provisions, cross collateralization provisions, or cross guarantees with CCLP's debt, nor does CCLP with TETRA's debt.
Long-term debt consists of the following:

|  |  | June 30, 2015 |  | December 31, 2014
|  |  | (In Thousands)
TETRA |  | Scheduled Maturity |  |  |
Bank revolving line of credit facility |  | September 30, 2019 | $ | 92,900 |  |  | $ | 90,000 |
5.90% Senior Notes, Series 2006-A |  | April 30, 2016 | 90,000 |  |  | 90,000 |
6.56% Senior Notes, Series 2008-B |  | April 30, 2015 | — |  |  | 90,000 |
5.09% Senior Notes, Series 2010-A |  | December 15, 2017 | 65,000 |  |  | 65,000 |
5.67% Senior Notes, Series 2010-B |  | December 15, 2020 | 25,000 |  |  | 25,000 |
4.00% Senior Notes, Series 2013 |  | April 29, 2020 | 35,000 |  |  | 35,000 |
Secured Notes |  | April 1, 2017 | 50,000 |  |  | — |
Other |  |  | — |  |  | 74 |
TETRA Total debt |  |  | 357,900 |  |  | 395,074 |
Less current portion |  |  | (90,000 | ) |  | (90,074 | )
TETRA Total long-term debt |  |  | $ | 267,900 |  |  | $ | 305,000 |
CCLP |  |  |  |  |
CCLP Bank Credit Facility |  | August 4, 2019 | 233,000 |  |  | 195,000 |
CCLP 7.25% Senior Notes (presented net of unamortized discount of $4.8 million as of June 30, 2015 and December 31, 2014) |  | August 15, 2022 | 345,212 |  |  | 344,961 |
CCLP total long-term debt |  |  | 578,212 |  |  | 539,961 |
Consolidated total long-term debt |  |  | $ | 846,112 |  |  | $ | 844,961 |

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We and CCLP are in compliance with all covenants and conditions of our respective debt agreements as of June 30, 2015.
Our Senior Secured Notes
On March 18, 2015, we entered into a Note Purchase Agreement (the "Note Purchase Agreement") with Wells Fargo Energy Capital, Inc., in its capacity as noteholder representative for the noteholders (the "Noteholder Representative"), and Wells Fargo Energy Capital, Inc., in its capacity as the sole initial purchaser. The Note Purchase Agreement relates to the issuance and sale of $50.0 million aggregate principal amount of Senior Secured Notes due April 1, 2017 (the "Senior Secured Notes"). On April 30, 2015, we completed the issuance and sale of the Senior Secured Notes in a private placement exempt from the registration requirements of the Securities Act of 1933, as amended (the "Securities Act"). The proceeds from these Senior Secured Notes were used to provide a portion of the funds necessary to repay the $90.0 million principal amount repayment of the Series 2008-B Senior Notes that matured on April 30, 2015. The Senior Secured Notes are secured by our accounts receivable (excluding CCLP accounts receivable) and our limited partner interest in CCLP, and the related Note Purchase Agreement includes financial covenants consistent with those applicable to our existing bank revolving credit facility.
The principal portion of each of the Senior Secured Notes consists of tranches that bear interest at LIBOR, as defined in the Note Purchase Agreement, plus an applicable margin ("LIBOR Tranches") and tranches that bear interest at the Base Rate plus an applicable margin ("Base Rate Tranches"), as we may request in accordance with the Note Purchase Agreement. The initial Senior Secured Note consists of a LIBOR Tranche and the interest rate at closing and as of June 30, 2015 is 3.94% per annum. We may convert the LIBOR Tranche into a Base Rate Tranche in accordance with the Note Purchase Agreement. The Note Purchase Agreement contains customary covenants and default and cross-default provisions consistent with the agreements governing our other TETRA indebtedness.
NOTE D – DECOMMISSIONING AND OTHER ASSET RETIREMENT OBLIGATIONS
The large majority of our asset retirement obligations consists of the remaining future well abandonment and decommissioning costs for offshore oil and gas properties and platforms owned by our Maritech subsidiary, including the decommissioning and debris removal costs associated with its remaining offshore platforms previously destroyed by hurricanes. The amount of decommissioning liabilities recorded by Maritech is reduced by amounts allocable to joint interest owners. We also operate facilities in various U.S. and foreign locations that are used in the manufacture, storage, and sale of our products, inventories, and equipment. These facilities are a combination of owned and leased assets.
The values of our asset retirement obligations for non-Maritech properties were approximately $8.7 million and $8.4 million as of June 30, 2015 and December 31, 2014, respectively. We are required to take certain actions in connection with the retirement of these assets. We have reviewed our obligations in this regard in detail and estimated the cost of these actions. The original estimates are the fair values that have been recorded for retiring these long-lived assets. The associated asset retirement costs are capitalized as part of the carrying amount of the long-lived asset. The costs for non-oil and gas assets are depreciated on a straight-line basis over the life of the asset.
The changes in the asset retirement obligations during the three and six month periods ended June 30, 2015, are as follows:
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| Three Months Ended June 30, 2015 |  | Six Months Ended June 30, 2015
| (In Thousands)
Beginning balance for the period, as reported | $ | 62,640 |  |  | $ | 62,741 |
Activity in the period: |  |  |  |
Accretion of liability | 422 |  |  | 841 |
Retirement obligations incurred | — |  |  | — |
Revisions in estimated cash flows | 191 |  |  | 237 |
Settlement of retirement obligations | (3,845 | ) |  | (4,411 | )
Ending balance | $ | 59,408 |  |  | $ | 59,408 |

We review the adequacy of our decommissioning liabilities whenever indicators suggest that the estimated cash flows underlying the liabilities have changed. For our Maritech segment, the timing and amounts of these cash flows are subject to changes in the energy industry environment and other factors and may result in additional liabilities to be recorded.
Asset retirement obligations are recorded in accordance with FASB ASC 410, whereby the estimated fair value of a liability for asset retirement obligations is recorded in the period in which it is incurred and in which a reasonable estimate can be made. Such estimates are based on relevant assumptions that we believe are reasonable. The cost estimates for Maritech asset retirement obligations are considered reasonable estimates consistent with current market conditions, and we believe reflect the amount of work legally required to be performed in accordance with Bureau of Safety and Environmental Enforcement ("BSEE") standards, as revised from time to time.
NOTE E – MARKET RISKS AND DERIVATIVE CONTRACTS
We are exposed to financial and market risks that affect our businesses. We have currency exchange rate risk exposure related to transactions denominated in a foreign currency as well as to investments in certain of our international operations. As a result of our variable rate bank credit facilities, including the variable rate credit facility of CCLP, we face market risk exposure related to changes in applicable interest rates. We have concentrations of credit risk as a result of trade receivables owed to us by companies in the energy industry. Our financial risk management activities may at times involve, among other measures, the use of derivative financial instruments, such as swap and collar agreements, to hedge the impact of market price risk exposures.
Derivative Contracts
Foreign Currency Derivative Contracts. As of June 30, 2015, we and CCLP had the following foreign currency derivative contracts outstanding relating to portions of our foreign operations:

Derivative Contracts |  | US Dollar Notional Amount |  | Traded Exchange Rate |  | Settlement Date
|  | (In Thousands) |  |  |  |
Forward purchase Euro |  | $ | 2,403 |  |  | 1.12 |  | 7/17/2015
Forward purchase pounds sterling |  | $ | 7,491 |  |  | 1.57 |  | 7/17/2015
Forward sale Canadian dollar |  | $ | 2,918 |  |  | 1.25 |  | 7/17/2015
Forward sale Mexican peso |  | $ | 7,617 |  |  | 15.71 |  | 7/17/2015
Forward sale Norwegian krone |  | $ | 1,640 |  |  | 7.84 |  | 7/17/2015
Forward sale Saudi Arabia Riyal |  | $ | 1,000 |  |  | 3.75 |  | 7/17/2015
Forward sale Canadian dollar |  | $ | 780 |  |  | 1.25 |  | 7/17/2015
Forward sale Mexican peso |  | $ | 2,066 |  |  | 15.71 |  | 7/17/2015

Under a program designed to mitigate the currency exchange rate risk exposure on selected transactions of certain foreign subsidiaries, we and CCLP may enter into similar derivative contracts from time to time. Although contracts pursuant to this program will serve as an economic hedge of the cash flow of our currency exchange risk
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exposure, they will not be formally designated as hedge contracts or qualify for hedge accounting treatment. Accordingly, any change in the fair value of these derivative instruments during a period will be included in the determination of earnings for that period.
The fair value of foreign currency derivative instruments are based on quoted market values as reported to us by our counterparty (a level 2 fair value measurement). The fair values of our and CCLP's foreign currency derivative instruments as of June 30, 2015 and December 31, 2014, are as follows:

Foreign currency derivative instruments | Balance Sheet Location |  | Fair Value at June 30, 2015 |  | Fair Value at December 31, 2014
|  |  |  | (In Thousands)
Forward purchase contracts |  | Current assets |  | $ | 128 |  |  | $ | — |
Forward sale contracts |  | Current liabilities |  | (115 | ) |  | (91 | )
Forward purchase contracts |  | Current liabilities |  | (30 | ) |  | (83 | )
Net liability |  |  |  | $ | (17 | ) |  | $ | (174 | )

None of the foreign currency derivative contracts contain credit risk related contingent features that would require us to post assets or collateral for contracts that are classified as liabilities. During the three and six month periods ended June 30, 2015, we recognized approximately $0.2 million and $0.3 million, respectively, of net gains in other income (expense) associated with our foreign currency derivative program.
NOTE F – EQUITY
Changes in equity for the three and six month periods ended June 30, 2015 and 2014 are as follows:

| Three Months Ended June 30,
| 2015 |  | 2014
| TETRA |  | Non- controlling Interest |  | Total |  | TETRA |  | Non- controlling Interest |  | Total
| (In Thousands)
Beginning balance for the period | $ | 356,679 |  |  | $ | 387,916 |  |  | $ | 744,595 |  |  | $ | 548,062 |  |  | $ | 41,585 |  |  | $ | 589,647 |
Net income (loss) | 14,925 |  |  | 442 |  |  | 15,367 |  |  | (2,457 | ) |  | 907 |  |  | (1,550 | )
Foreign currency translation adjustment, including taxes of $0 in 2015 and taxes of $(750) in 2014 | 2,358 |  |  | — |  |  | 2,358 |  |  | 3,244 |  |  | — |  |  | 3,244 |
Comprehensive income (loss) | 17,283 |  |  | 442 |  |  | 17,725 |  |  | 787 |  |  | 907 |  |  | 1,694 |
Exercise of common stock options | (183 | ) |  | — |  |  | (183 | ) |  | 105 |  |  | — |  |  | 105 |
Distributions to public unitholders | — |  |  | (9,450 | ) |  | (9,450 | ) |  | — |  |  | (1,265 | ) |  | (1,265 | )
Equity-based compensation | 1,874 |  |  | 727 |  |  | 2,601 |  |  | 1,184 |  |  | 235 |  |  | 1,419 |
Treasury stock and other | (244 | ) |  | — |  |  | (244 | ) |  | (352 | ) |  | (34 | ) |  | (386 | )
Tax adjustment upon cancellation of stock options | — |  |  | — |  |  | — |  |  | (132 | ) |  | — |  |  | (132 | )
Ending balance as of June 30 | $ | 375,409 |  |  | $ | 379,635 |  |  | $ | 755,044 |  |  | $ | 549,654 |  |  | $ | 41,428 |  |  | $ | 591,082 |

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| Six Months Ended June 30,
| 2015 |  | 2014
| TETRA |  | Non- controlling Interest |  | Total |  | TETRA |  | Non- controlling Interest |  | Total
| (In Thousands)
Beginning balance for the period | $ | 369,713 |  |  | $ | 395,888 |  |  | $ | 765,601 |  |  | $ | 555,541 |  |  | $ | 41,957 |  |  | $ | 597,498 |
Net income (loss) | 10,477 |  |  | 1,266 |  |  | 11,743 |  |  | (9,391 | ) |  | 1,751 |  |  | (7,640 | )
Foreign currency translation adjustment, including taxes of $0 in 2015 and taxes of $446 in 2014 | (7,429 | ) |  | — |  |  | (7,429 | ) |  | 777 |  |  | — |  |  | 777 |
Comprehensive Income (loss) | 3,048 |  |  | 1,266 |  |  | 4,314 |  |  | (8,614 | ) |  | 1,751 |  |  | (6,863 | )
Exercise of common stock options | 101 |  |  | — |  |  | 101 |  |  | 391 |  |  | — |  |  | 391 |
Distributions to public unitholders | — |  |  | (18,723 | ) |  | (18,723 | ) |  | — |  |  | (2,508 | ) |  | (2,508 | )
Equity-based compensation | 2,993 |  |  | 1,204 |  |  | 4,197 |  |  | 2,836 |  |  | 437 |  |  | 3,273 |
Treasury stock and other | (244 | ) |  |  |  |  | (244 | ) |  | (368 | ) |  | (209 | ) |  | (577 | )
Tax adjustment upon cancellation of stock options | (202 | ) |  | — |  |  | (202 | ) |  | (132 | ) |  | — |  |  | (132 | )
Ending balance as of June 30 | $ | 375,409 |  |  | $ | 379,635 |  |  | $ | 755,044 |  |  | $ | 549,654 |  |  | $ | 41,428 |  |  | $ | 591,082 |

Activity within the foreign currency translation adjustment account during the periods includes no reclassifications to net income.
NOTE G – COMMITMENTS AND CONTINGENCIES
Litigation
We are named defendants in several lawsuits and respondents in certain governmental proceedings arising in the ordinary course of business. While the outcome of lawsuits or other proceedings against us cannot be predicted with certainty, management does not consider it reasonably possible that a loss resulting from such lawsuits or other proceedings in excess of any amounts accrued has been incurred that is expected to have a material adverse impact on our financial condition, results of operations, or liquidity.
Environmental
One of our subsidiaries, TETRA Micronutrients, Inc. ("TMI"), previously owned and operated a production facility located in Fairbury, Nebraska. TMI is subject to an Administrative Order on Consent issued to American Microtrace, Inc. (n/k/a/ TETRA Micronutrients, Inc.) in the proceeding styled In the Matter of American Microtrace Corporation, EPA I.D. No. NED00610550, Respondent, Docket No. VII-98-H-0016, dated September 25, 1998 (the "Consent Order"), with regard to the Fairbury facility. TMI is liable for future remediation costs and ongoing environmental monitoring at the Fairbury facility under the Consent Order; however, the current owner of the Fairbury facility is responsible for costs associated with the closure of that facility. While the outcome cannot be predicted with certainty, management does not consider it reasonably possible that a loss in excess of any amounts accrued has been incurred or is expected to have a material adverse impact on our financial condition, results of operations, or liquidity.
NOTE H – INDUSTRY SEGMENTS
We manage our operations through five reporting segments organized into four divisions: Fluids, Production Testing, Compression, and Offshore.
Our Fluids Division manufactures and markets clear brine fluids, additives, and associated products and services to the oil and gas industry for use in well drilling, completion, and workover operations in the United States and in certain countries in Latin America, Europe, Asia, the Middle East, and Africa. The Division also markets liquid and dry calcium chloride products manufactured at its production facilities or purchased from third-party suppliers to
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a variety of markets outside the energy industry. The Fluids Division also provides domestic onshore oil and gas operators with comprehensive water management services.
Our Production Testing Division provides frac flowback, production well testing, offshore rig cooling, and other associated services in many of the major oil and gas producing regions in the United States, Mexico, and Canada, as well as in certain basins in certain regions in South America, Africa, Europe, the Middle East, and Australia.
The Compression Division is a provider of compression services and equipment for natural gas and oil production, gathering, transportation, processing, and storage. The Compression Division's equipment and parts sales business includes the fabrication and sale of standard compressor packages, custom-designed compressor packages, and oilfield pump systems designed and fabricated at the Division's facilities as well as the sale of compressor package parts and components manufactured by third-party suppliers. The Compression Division's aftermarket services business provides compressor package reconfiguration and maintenance services. The Compression Division provides its services and equipment to a broad base of natural gas and oil exploration and production, midstream, transmission, and storage companies operating throughout many of the onshore producing regions of the United States as well as in a number of foreign countries, including Mexico, Canada, and Argentina. As a result of the August 4, 2014 acquisition of CSI, we have significantly expanded the scope of our Compression Division.
Our Offshore Division consists of two operating segments: Offshore Services and Maritech. The Offshore Services segment provides (1) downhole and subsea services such as well plugging and abandonment and workover services, (2) decommissioning and certain construction services utilizing heavy lift barges and various cutting technologies with regard to offshore oil and gas production platforms and pipelines, and (3) conventional and saturation diving services.
The Maritech segment is a limited oil and gas production operation. During 2011 and the first quarter of 2012, Maritech sold substantially all of its oil and gas producing property interests. Maritech’s operations consist primarily of the ongoing abandonment and decommissioning associated with its remaining offshore wells and production platforms. Maritech intends to acquire a significant portion of these services from the Offshore Division’s Offshore Services segment.
We generally evaluate the performance of and allocate resources to our segments based on profit or loss from their operations before income taxes and nonrecurring charges, return on investment, and other criteria. Transfers between segments and geographic areas are priced at the estimated fair value of the products or services as negotiated between the operating units. “Corporate Overhead” includes corporate general and administrative expenses, corporate depreciation and amortization, interest income and expense, and other income and expense.
Summarized financial information concerning the business segments is as follows:

| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2015 |  | 2014 |  | 2015 |  | 2014
| (In Thousands)
Revenues from external customers |  |  |  |  |  |  |  |  |  |  |
Product sales |  |  |  |  |  |  |  |  |
Fluids Division | $ | 99,930 |  |  | $ | 78,905 |  |  | $ | 164,924 |  |  | $ | 152,325 |
Production Testing Division | — |  |  | — |  |  | — |  |  | — |
Compression Division | 48,968 |  |  | 2,065 |  |  | 67,119 |  |  | 3,902 |
Offshore Division |  |  |  |  |  |  |  |  |  |
Offshore Services | 360 |  |  | 354 |  |  | 595 |  |  | 473 |
Maritech | 394 |  |  | 1,547 |  |  | 1,900 |  |  | 2,923 |
Total Offshore Division | 754 |  |  | 1,901 |  |  | 2,495 |  |  | 3,396 |
Consolidated | $ | 149,652 |  |  | $ | 82,871 |  |  | $ | 234,538 |  |  | $ | 159,623 |

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| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2015 |  | 2014 |  | 2015 |  | 2014
| (In Thousands)
Services and rentals |  |  |  |  |  |  |  |  |
Fluids Division | $ | 23,026 |  |  | $ | 37,423 |  |  | 57,308 |  |  | $ | 69,163 |
Production Testing Division | 33,692 |  |  | 41,292 |  |  | 69,601 |  |  | 84,306 |
Compression Division | 77,487 |  |  | 29,950 |  |  | 162,225 |  |  | 57,877 |
Offshore Division |  |  |  |  |  |  |  |  |  |  |
Offshore Services | 35,371 |  |  | 55,887 |  |  | 46,919 |  |  | 91,098 |
Maritech | — |  |  | — |  |  | — |  |  | — |
Intersegment eliminations | (2,909 | ) |  | (4,934 | ) |  | (3,180 | ) |  | (6,721 | )
Total Offshore Division | 32,462 |  |  | 50,953 |  |  | 43,739 |  |  | 84,377 |
Consolidated | $ | 166,667 |  |  | $ | 159,618 |  |  | $ | 332,873 |  |  | $ | 295,723 |
Interdivision revenues |  |  |  |  |  |  |  |  |
Fluids Division | $ | 18 |  |  | $ | 322 |  |  | $ | 31 |  |  | $ | 307 |
Production Testing Division | 1,150 |  |  | 1,085 |  |  | 2,342 |  |  | 1,709 |
Compression Division | — |  |  | — |  |  | — |  |  | — |
Offshore Division |  |  |  |  |  |  |  |  |  |  |
Offshore Services | — |  |  | — |  |  | — |  |  | — |
Maritech | — |  |  | — |  |  | — |  |  | — |
Intersegment eliminations | — |  |  | — |  |  | — |  |  | — |
Total Offshore Division | — |  |  | — |  |  | — |  |  | — |
Interdivision eliminations | (1,168 | ) |  | (1,407 | ) |  | (2,373 | ) |  | (2,016 | )
Consolidated | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Total revenues |  |  |  |  |  |  |  |  |
Fluids Division | $ | 122,974 |  |  | $ | 116,650 |  |  | $ | 222,263 |  |  | $ | 221,795 |
Production Testing Division | 34,842 |  |  | 42,377 |  |  | 71,943 |  |  | 86,015 |
Compression Division | 126,455 |  |  | 32,015 |  |  | 229,344 |  |  | 61,779 |
Offshore Division |  |  |  |  |  |  |  |  |  |
Offshore Services | 35,731 |  |  | 56,241 |  |  | 47,514 |  |  | 91,571 |
Maritech | 394 |  |  | 1,547 |  |  | 1,900 |  |  | 2,923 |
Intersegment eliminations | (2,909 | ) |  | (4,934 | ) |  | (3,180 | ) |  | (6,721 | )
Total Offshore Division | 33,216 |  |  | 52,854 |  |  | 46,234 |  |  | 87,773 |
Interdivision eliminations | (1,168 | ) |  | (1,407 | ) |  | (2,373 | ) |  | (2,016 | )
Consolidated | $ | 316,319 |  |  | $ | 242,489 |  |  | $ | 567,411 |  |  | $ | 455,346 |

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| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2015 |  | 2014 |  | 2015 |  | 2014
| (In Thousands)
Income (loss) before taxes |  |  |  |  |  |  |  |  |
Fluids Division | $ | 32,583 |  |  | $ | 17,059 |  |  | $ | 50,320 |  |  | $ | 35,536 |
Production Testing Division | (472 | ) |  | (249 | ) |  | (433 | ) |  | (3,047 | )
Compression Division | 1,498 |  |  | 5,477 |  |  | 3,904 |  |  | 10,664 |
Offshore Division |  |  |  |  |  |  |  |  |  |
Offshore Services | 2,095 |  |  | 1,833 |  |  | (6,553 | ) |  | (6,139 | )
Maritech | (313 | ) |  | (10,698 | ) |  | 662 |  |  | (17,237 | )
Intersegment eliminations | — |  |  | — |  |  | — |  |  | — |
Total Offshore Division | 1,782 |  |  | (8,865 | ) |  | (5,891 | ) |  | (23,376 | )
Interdivision eliminations | (12 | ) |  | 3 |  |  | (10 | ) |  | 6 |
Corporate Overhead(1) | (17,271 | ) |  | (15,919 | ) |  | (31,837 | ) |  | (32,960 | )
Consolidated | $ | 18,108 |  |  | $ | (2,494 | ) |  | $ | 16,053 |  |  | $ | (13,177 | )

| June 30,
| 2015 |  | 2014
| (In Thousands)
Total assets |  |  |  |  |
Fluids Division | $ | 408,144 |  |  | $ | 493,793 |
Production Testing Division | 208,929 |  |  | 333,531 |
Compression Division | 1,261,051 |  |  | 233,956 |
Offshore Division |  |  |  |  |
Offshore Services | 134,422 |  |  | 170,663 |
Maritech | 27,267 |  |  | 20,727 |
Total Offshore Division | 161,689 |  |  | 191,390 |
Corporate Overhead and eliminations | (36,168 | ) |  | 29,596 |
Consolidated | $ | 2,003,645 |  |  | $ | 1,282,266 |

(1) | Amounts reflected include the following general corporate expenses:

| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2015 |  | 2014 |  | 2015 |  | 2014
| (In Thousands)
General and administrative expense | $ | 11,688 |  |  | $ | 10,064 |  |  | $ | 20,537 |  |  | $ | 21,458 |
Depreciation and amortization | 254 |  |  | 527 |  |  | 512 |  |  | 1,081 |
Interest expense | 4,415 |  |  | 4,610 |  |  | 9,412 |  |  | 9,141 |
Other general corporate (income) expense, net | 914 |  |  | 718 |  |  | 1,376 |  |  | 1,280 |
Total | $ | 17,271 |  |  | $ | 15,919 |  |  | $ | 31,837 |  |  | $ | 32,960 |

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Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations.
The following discussion and analysis of financial condition and results of operations should be read in conjunction with our unaudited consolidated financial statements and accompanying notes included in this Quarterly Report. In addition, the following discussion and analysis also should be read in conjunction with our Annual Report on Form 10-K filed with the SEC on March 2, 2015. This discussion includes forward-looking statements that involve certain risks and uncertainties.
Business Overview
Despite continuing market challenges and increased competition levels for certain of our businesses as a result of low oil and natural gas prices, consolidated revenues and earnings during the second quarter of 2015 increased compared to the second quarter of 2014. This improved consolidated financial performance was driven by the impact of the Compression Division's August 4, 2014 acquisition of Compression Services, Inc. ("CSI"), the overall impact of ongoing company-wide cost reduction efforts, and the increased clear brine fluids ("CBF") and completion services activity of our Fluids Division, which introduced a new completion fluids technology during the first half of 2015. However, current decreased activity levels by many of our U.S. customers, which are expected to continue, have particularly affected our Offshore Services segment, Production Testing Division, and certain operations of our Fluids and Compression Divisions, prompting us to make significant reductions in our operating and administrative cost structures for these businesses. These cost reduction actions, which have included reductions in headcount, renegotiation of vendor contracts, and other cost restructuring measures, have contributed to improved profitability for certain of these businesses despite decreased revenues. The impact of these cost reduction actions, as well as the continued efforts to further reduce costs, are expected to continue to mitigate the impact of the current uncertain market environment on our financial performance. Certain of our businesses have been less affected by the current market activity levels, including the chemicals manufacturing and offshore completion services portion of our Fluids Division operations, certain of our international operations, and the medium- and high-horsepower operations of our Compression Division, each of which are less dependent on onshore domestic drilling, completion, and production enhancement activity levels. As a result of these factors, as well as the impact of the CSI acquisition and decreased Maritech excess decommissioning costs, our consolidated revenues and gross profit increased 30.4% and 96.9%, respectively, during the second quarter of 2015 compared to the corresponding prior year period.
With the acquisition by CCLP of CSI (the "CSI Acquisition"), we effected a significant change in the composition of our consolidated operations and our consolidated capital structure. Consolidated results of operations for the quarter ended June 30, 2015, reflect the impact of the CSI Acquisition, as the operations of CSI contributed revenues of approximately $96.3 million and pretax earnings (excluding allocated interest and administrative expense) of approximately $6.7 million. Primarily as a result of increased borrowings by CCLP to fund the purchase price of the CSI Acquisition, net interest expense for the quarter ended June 30, 2015 also increased by approximately $7.7 million compared to the prior year period. The issuance of the CCLP 7.25% Senior Notes (the "CCLP Senior Notes") and borrowings under the CCLP Credit Agreement have resulted in increased levels of our consolidated debt. However, we do not analyze or manage our capital structure on a consolidated basis, as there are no cross default provisions, cross collateralization provisions, or cross guarantees between CCLP's debt and TETRA's debt. Approximately $578.2 million of our consolidated debt balance is owed by CCLP, and is to be serviced by CCLP's existing cash balances and the future cash provided by CCLP's operations (less its capital expenditures) and is secured by the assets of CCLP.
The following table provides condensed consolidating balance sheet information reflecting our net assets and CCLP's net assets that service our and its respective capital debt structures.
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| June 30, 2015
Condensed Consolidating Balance Sheet | TETRA |  | CCLP |  | Eliminations |  | Consolidated
Cash, excluding restricted cash | $ | 8,662 |  |  | $ | 33,279 |  |  | $ | — |  |  | $ | 41,941 |
Affiliate receivables | 7,351 |  |  | — |  |  | (7,351 | ) |  | — |
Other current assets | 234,322 |  |  | 175,210 |  |  | — |  |  | 409,532 |
Property, plant and equipment, net | 415,243 |  |  | 705,571 |  |  | — |  |  | 1,120,814 |
Other assets, including investment in CCLP | 261,448 |  |  | 309,339 |  |  | (139,429 | ) |  | 431,358 |
Total assets | $ | 927,026 |  |  | $ | 1,223,399 |  |  | $ | (146,780 | ) |  | $ | 2,003,645 |
Affiliate payables | $ | — |  |  | $ | 7,351 |  |  | $ | (7,351 | ) |  | $ | — |
Current portion of long-term debt | 90,000 |  |  | — |  |  | — |  |  | 90,000 |
Other current liabilities | 119,691 |  |  | 117,420 |  |  | — |  |  | 237,111 |
Long-term debt, net | 267,900 |  |  | 578,212 |  |  | — |  |  | 846,112 |
Other non-current liabilities | 74,026 |  |  | 1,352 |  |  | — |  |  | 75,378 |
Total equity | 375,409 |  |  | 519,064 |  |  | (139,429 | ) |  | 755,044 |
Total liabilities and equity | $ | 927,026 |  |  | $ | 1,223,399 |  |  | $ | (146,780 | ) |  | $ | 2,003,645 |

TETRA’s debt is serviced by its existing cash balances and cash provided from operating activities (excluding CCLP), less cash capital expenditures (excluding CCLP), and is supplemented by the distributions we receive from CCLP. During the six months ended June 30, 2015, consolidated cash provided from operating activities was $82.2 million, which included approximately $52.2 million generated by CCLP. Our cash provided from operating activities is reduced by the amount we spend for Maritech decommissioning liabilities, which was $4.4 million during the six months ended June 30, 2015. During the first half of 2015, consolidated cash capital expenditures were $73.3 million, which included $57.1 million expended by CCLP. In addition, during the first six months of 2015 we received $15.0 million from CCLP as our share of CCLP distributions.
Given the lower demand for certain of our products and services in the current oil and natural gas services market environment, the expected level of future consolidated operating cash flows, which we have historically used to fund the growth of our businesses, has become more uncertain. While remaining committed to a long-term growth strategy, our near-term focus during this period of reduced demand is to preserve and enhance liquidity through strategic operating steps, including cost structure rationalization, working capital management, and capital structure enhancements designed to strengthen our consolidated balance sheet. Our consolidated operating cash flows during the six months ended June 30, 2015, increased to $82.2 million, an increase of $41.5 million, or 102.3%, over the prior year period. Our consolidated operating cash flows not only reflect the acquisition of CSI, but also the impact of the fiscal management steps noted above and the growth of certain of our businesses. Net cash flows utilized by investing activities were $69.6 million during the six months ended June 30, 2015, and included approximately $57.2 million of capital expenditures by our Compression Division, compared to $67.3 million during the prior year period. Excluding the growth in Compression Division capital expenditures as a result of the CSI Acquisition, our capital expenditure levels reflect our efforts to defer or reduce capital expenditure projects in the current market environment. Key objectives associated with our capital structure (excluding the capital structure of CCLP) include the ongoing management of the amounts outstanding and available under our bank revolving credit facility and repayment of the April 2016 maturity of $90.0 million of our Senior Notes. CCLP plans to continue its 2015 capital expenditure program, using its cash and available capacity under its revolving bank credit facility (the "CCLP Credit Agreement"), while monitoring demand levels for its compression products and services in the current environment. TETRA's future consolidated operating cash flows are also affected by the continuing challenges associated with extinguishing the remaining Maritech decommissioning and abandonment obligations. The amount of recorded liability for these remaining obligations is approximately $50.8 million as of June 30, 2015. Approximately $11.5 million of this amount is expected to be performed during the twelve month period ending June 30, 2016, with the timing of a portion of this work being discretionary.
Critical Accounting Policies
There have been no material changes or developments in the evaluation of the accounting estimates and the underlying assumptions or methodologies pertaining to our Critical Accounting Policies and Estimates disclosed in our Form 10-K for the year ended December 31, 2014, except as discussed below. In preparing our consolidated
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financial statements, we make assumptions, estimates, and judgments that affect the amounts reported. We periodically evaluate these estimates and judgments, including those related to potential impairments of long-lived assets (including goodwill), the collectability of accounts receivable, and the cost of future abandonment and decommissioning obligations. Our estimates are based on historical experience and on future expectations that we believe are reasonable. The fair values of large portions of our total assets and liabilities are measured using significant unobservable inputs. The combination of these factors forms the basis for judgments made about the carrying values of assets and liabilities that are not readily apparent from other sources. These judgments and estimates may change as new events occur, as new information is acquired, and as changes in our operating environments are encountered. Actual results are likely to differ from our current estimates, and those differences may be material.
Goodwill Impairment Testing - Goodwill represents the excess of cost over the fair value of the net assets of businesses acquired in purchase transactions. We perform a goodwill impairment test on an annual basis or whenever indicators of impairment are present. We perform the annual test of goodwill impairment following the fourth quarter of each year. Our annual assessment for goodwill impairment begins with a qualitative assessment of whether it is “more likely than not” that the fair value of our business is less than its carrying value. If based on the events and circumstances we determine that it is more likely than not that the fair value of a reporting unit is less than its carrying amount, we are required to perform a two-step goodwill impairment test, where the first step compares the fair value of the reporting unit to its carrying amount, including goodwill. If the fair value is in excess of the reporting unit carrying amount, no additional steps are necessary. However, if the carrying amount of the reporting unit exceeds its estimated fair value, a second step is performed, using a hypothetical purchase price methodology to allocate total fair value to the reporting unit's balance sheet, including its long-lived property, plant and equipment assets, and identified intangible assets. The resulting allocation of fair value to goodwill is then compared to the reporting units' goodwill balance, and any excess to fair value is then recorded in our statement of operations as an impairment. Our estimates of reporting unit fair value are imprecise and are subject to our estimates of the future cash flows of each business and our judgment as to how these estimated cash flows translate into each business’ estimated fair value. These estimates and judgments are affected by numerous factors, including the general economic environment at the time of our assessment, which affects our overall market capitalization.
In our most recent annual goodwill impairment assessment as of December 31, 2014, based on our qualitative assessment, we determined that it was "more likely than not" that the fair values of one or more of our reporting units were less than their respective carrying values. As a result of the goodwill assessment analysis described above, as of December 31, 2014, we recorded an impairment of the entire $3.9 million of recorded goodwill for our Offshore Services reporting unit and a partial impairment of $60.4 million of the goodwill of our Production Testing reporting unit. As of June 30, 2015, our Fluids, Production Testing, and Compression reporting units reflect goodwill in the amounts of $6.6 million, $53.3 million, and $233.4 million, respectively. During the first six months of 2015, global oil and natural gas commodity prices continued to be decreased compared to the prior year period. The decreased levels in commodity prices has had, and is expected to continue to have, a negative impact on industry drilling and capital expenditure activity, which affects the demand for products and services of each of our reporting units. As of June 30, 2015, our stock price had decreased slightly compared to December 31, 2014, resulting in an overall reduction in our market capitalization. As part of the first step of our second quarter 2015 goodwill impairment testing, we updated our assessment of the future cash flows for each of our reporting units as of June 30, 2015, applying expected long-term growth rates, discount rates, and terminal values that we consider reasonable. Our Maritech and Offshore Services reporting units are excluded because they have no recorded goodwill. We calculated a present value of the respective cash flows for each of our other reporting units to arrive at an estimate of fair value under the income approach, and then used the market approach to corroborate these values. Based on these updated assumptions, we determined that the fair value of our Fluids reporting unit was significantly in excess of its carrying value. Because the fair values of our Production Testing and Compression reporting units exceeded their respective carrying values by approximately 5% and 6%, there is a reasonable possibility that the $53.3 million and $233.4 million, respectively, of goodwill for these reporting units may be impaired in a future period as a non-cash charge to earnings, and the amount of such impairments may be material. Specific uncertainties affecting the estimated fair value of our Production Testing and Compression reporting units include the impact of competition, prices of oil and natural gas, future overall activity levels in the regions in which we operate, the activity levels of our significant customers, and other factors affecting the rate of future growth of these reporting units. These factors will continue to be reviewed and assessed going forward. Negative developments with regard to these factors could have a further negative effect on the fair values of our Production Testing and Compression reporting units.
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Results of Operations
Three months ended June 30, 2015 compared with three months ended June 30, 2014.
Consolidated Comparisons

| Three Months Ended June 30, |  | Period to Period Change
| 2015 |  | 2014 |  | 2015 vs 2014 |  | % Change
| (In Thousands, Except Percentages)
Revenues | $ | 316,319 |  |  | $ | 242,489 |  |  | $ | 73,830 |  |  | 30.4 | %
Gross profit | 69,861 |  |  | 35,475 |  |  | 34,386 |  |  | 96.9 | %
Gross profit as a percentage of revenue | 22.1 | % |  | 14.6 | % |  |  |  |  |  |
General and administrative expense | 37,472 |  |  | 32,270 |  |  | 5,202 |  |  | 16.1 | %
General and administrative expense as a percentage of revenue | 11.8 | % |  | 13.3 | % |  |  |  |  |  |
Interest expense, net | 12,340 |  |  | 4,604 |  |  | 7,736 |  |  | 168.0 | %
Other (income) expense, net | 1,941 |  |  | 1,095 |  |  | 846 |  |  | 77.3 | %
Income (loss) before taxes | 18,108 |  |  | (2,494 | ) |  | 20,602 |  |  | 826.1 | %
Income (loss) before taxes as a percentage of revenue | 5.7 | % |  | (1.0 | )% |  |  |  |  |  |
Provision (benefit) for income taxes | 2,741 |  |  | (944 | ) |  | 3,685 |  |  | 390.4 | %
Net income (loss) | 15,367 |  |  | (1,550 | ) |  | 16,917 |  |  | 1,091.4 | %
Net (income) loss attributable to noncontrolling interest | (442 | ) |  | (907 | ) |  | 465 |  |  |  |
Net income (loss) attributable to TETRA stockholders | $ | 14,925 |  |  | $ | (2,457 | ) |  | $ | 17,382 |  |  | 707.4 | %

Consolidated revenues for the quarter ended June 30, 2015, increased compared to the prior year period, primarily due to increased revenues for the Compression Division as a result of the August 4, 2014 acquisition of CSI. The CSI Acquisition, which resulted in increased revenues of approximately $96.3 million for the quarter ended June 30, 2015, greatly expands the operations of our Compression Division, allowing it to participate in the compression market at a broader level. In addition, the Fluids Division also reflected increased revenues, primarily due to increased offshore CBF sales and related services. These increases in Compression and Fluids Division revenues were partly offset by decreased revenues in our Production Testing and Offshore Services segments, which were primarily due to the impact of decreased industry demand and activity levels in many of the domestic and international markets we serve, largely caused by decreased oil and natural gas pricing.
Consolidated gross profit increased during the current year quarter compared to the prior year quarter primarily due to the impact of our Fluids Division's increased offshore activity. In addition, Compression Division gross profit increased as a result of the CSI Acquisition. Gross profit from our Production Testing and Offshore Services businesses decreased slightly, despite a significant decrease in revenues from these segments, largely as a result of cost reductions implemented in response to decreased activity levels. Maritech gross profit also increased compared to the prior year period, due to decreased excess decommissioning costs during the current year period.
Consolidated general and administrative expenses increased during the second quarter of 2015 compared to the prior year period, due to the increase in the Compression Division administrative costs following the CSI Acquisition. The increase in the Compression Division general and administrative expenses was partially offset by decreased administrative costs for our Fluids, Production Testing, and Offshore Divisions, as a result of administrative cost reduction efforts by these segments. Corporate Overhead increased compared to the prior year period primarily due to increased incentive and equity compensation costs. However, consolidated general and administrative expense decreased as a percentage of consolidated revenues due to the administrative cost reductions implemented by each of the divisions and due to the increased revenues.
Consolidated interest expense increased due to increased borrowings, primarily from the increased borrowings by the Compression Division, through CCLP, to finance the CSI Acquisition. Compression Division interest expense levels going forward are expected to continue to be increased compared to periods prior to the
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CSI Acquisition as a result of borrowings associated with the CSI Acquisition during 2014 and additional subsequent borrowings to fund CCLP capital expenditures.
Consolidated other expense was $1.9 million during the three months ended June 30, 2015 compared to $1.1 million during the prior year period, primarily due to the amortization of deferred financing costs by the Compression Division as a result of borrowings by CCLP to finance the CSI Acquisition.
Our consolidated effective tax rate for the three month period ended June 30, 2015 includes the effect of changes in our expected valuation allowance at the end of 2015 related to our deferred tax assets, such as our U.S. net operating loss carryforward. At December 31, 2014, we increased our valuation allowance primarily on our U.S. deferred tax assets after considering all available positive and negative evidence related to the realizability of our deferred tax assets. Included in our deferred tax assets are net operating loss carryforwards and tax credits that are available to offset future income tax liabilities in the U.S. as well as in certain foreign jurisdictions.
Divisional Comparisons
Fluids Division

| Three Months Ended June 30, |  | Period to Period Change
| 2015 |  | 2014 |  | 2015 vs 2014 |  | % Change
| (In Thousands, Except Percentages)
Revenues | $ | 122,974 |  |  | $ | 116,650 |  |  | $ | 6,324 |  |  | 5.4 | %
Gross profit | 40,354 |  |  | 26,273 |  |  | 14,081 |  |  | 53.6 | %
Gross profit as a percentage of revenue | 32.8 | % |  | 22.5 | % |  |  |  |  |  |
General and administrative expense | 7,777 |  |  | 9,197 |  |  | (1,420 | ) |  | (15.4 | )%
General and administrative expense as a percentage of revenue | 6.3 | % |  | 7.9 | % |  |  |  |  |  |
Interest (income) expense, net | (76 | ) |  | (103 | ) |  | (27 | ) |  |  |
Other (income) expense, net | 70 |  |  | 120 |  |  | 50 |  |  |  |
Income before taxes | $ | 32,583 |  |  | $ | 17,059 |  |  | $ | 15,524 |  |  | 91.0 | %
Income before taxes as a percentage of revenue | 26.5 | % |  | 14.6 | % |  |  |  |  |  |

The increase in Fluids Division revenues during the second quarter of 2015 compared to the prior year period was due to approximately $21.0 million of increased product sales revenues, primarily due to increased market share for CBFs and associated products, both in the U.S. and certain international markets. In addition, a portion of the Fluids Division's increased CBF and associated products revenues are from U.S. Gulf of Mexico product sales associated with a new completion fluid technology. The increased CBF sales revenues were partially offset by decreased manufactured product sales compared to the prior year period. The net increase in product sales revenues was partially offset by a $14.7 million decrease in service revenues, primarily due to onshore water management services, which had a decline in revenues due to decreased activity levels as a result of lower oil and natural gas commodity prices.
Fluids Division gross profit during the second quarter of 2015 increased compared to the prior year period primarily due to increased profitability associated with the mix of CBF products and services, particularly for offshore completion fluids products and services. Increased gross profit from the Fluids Division's manufactured products operations were realized despite the decreased revenues, and includes the impact of a $2.6 million insurance claim settlement that was credited to earnings during the current year period. These increases in Fluids Division gross profit more than offset the impact of reduced onshore water management services activity during the current year period. Operating cost reduction efforts also contributed to the improved gross profit compared to the prior year period.
Fluids Division income before taxes increased compared to the prior year period due to the increased gross profit discussed above. In addition, the Fluids Division reduced its administrative cost levels compared to the prior year period, particularly for its onshore water management services operations, in light of current activity levels. The Fluids Division continues to review opportunities to further reduce its administrative costs.
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Production Testing Division

| Three Months Ended June 30, |  | Period to Period Change
| 2015 |  | 2014 |  | 2015 vs 2014 |  | % Change
| (In Thousands, Except Percentages)
Revenues | $ | 34,842 |  |  | $ | 42,377 |  |  | $ | (7,535 | ) |  | (17.8 | )%
Gross profit | 3,918 |  |  | 4,221 |  |  | (303 | ) |  | (7.2 | )%
Gross profit as a percentage of revenue | 11.2 | % |  | 10.0 | % |  |  |  |  |  |
General and administrative expense | 4,608 |  |  | 4,764 |  |  | (156 | ) |  | (3.3 | )%
General and administrative expense as a percentage of revenue | 13.2 | % |  | 11.2 | % |  |  |  |  |  |
Interest (income) expense, net | 14 |  |  | (57 | ) |  | (71 | ) |  |  |
Other (income) expense, net | (232 | ) |  | (237 | ) |  | (5 | ) |  |  |
Income (loss) before taxes | $ | (472 | ) |  | $ | (249 | ) |  | $ | (223 | ) |  | (89.6 | )%
Income (loss) before taxes as a percentage of revenue | (1.4 | )% |  | (0.6 | )% |  |  |  |  |  |

Production Testing Division revenues decreased during the second quarter of 2015 compared to the prior year period, primarily due to decreased overall market activity, as increases in Saudi Arabia and Argentina were more than offset by decreases in the U.S., Canadian and Brazilian markets. The impact of increased competition for decreased industry activity negatively affected pricing and our activity levels for services in selected markets in the U.S., although the Division has successfully expanded its domestic customer base compared to the prior year period.
Production Testing Division gross profit as a percentage of revenues increased during the second quarter of 2015 compared to the prior year period due to the impact of cost reduction efforts, which have included headcount reductions and other steps to adjust the Production Testing Division's cost structure in light of current market conditions, particularly in key U.S. markets. Despite these efforts, Production Testing Division gross profit decreased slightly during the second quarter of 2015 compared to the prior year period, due to the market conditions discussed above.
Production Testing Division reported an increased pretax loss compared to the prior year period, primarily due to decreased revenues and gross profit. General and administrative expenses decreased due to administrative cost reductions, primarily reduced headcount and other employee related cost reductions, but were partially offset by approximately $0.9 million of increased bad debt expense. The Division continues to review for opportunities to further reduce its operating and administrative cost levels in light of the current market conditions.
Compression Division

| Three Months Ended June 30, |  | Period to Period Change
| 2015 |  | 2014 |  | 2015 vs 2014 |  | % Change
| (In Thousands, Except Percentages)
Revenues | $ | 126,456 |  |  | $ | 32,015 |  |  | $ | 94,441 |  |  | 295.0 | %
Gross profit | 21,150 |  |  | 11,085 |  |  | 10,065 |  |  | 90.8 | %
Gross profit as a percentage of revenue | 16.7 | % |  | 34.6 | % |  |  |  |  |  |
General and administrative expense | 10,531 |  |  | 4,990 |  |  | 5,541 |  |  | 111.0 | %
General and administrative expense as a percentage of revenue | 8.3 | % |  | 15.6 | % |  |  |  |  |  |
Interest (income) expense, net | 7,961 |  |  | 145 |  |  | 7,816 |  |  |  |
Other (income) expense, net | 1,160 |  |  | 473 |  |  | 687 |  |  |  |
Income before taxes | $ | 1,498 |  |  | $ | 5,477 |  |  | $ | (3,979 | ) |  | (72.6 | )%
Income before taxes as a percentage of revenue | 1.2 | % |  | 17.1 | % |  |  |  |  |  |

Compression Division revenues increased significantly during the second quarter of 2015 compared to the prior year period due to the CSI Acquisition, which generated aggregate revenues of approximately $96.3 million during the 2015 period. Compression services revenues increased $47.4 million, as approximately $48.0 million of
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compression services and aftermarket services revenues of CSI were partially offset by decreased low-horsepower compression services revenues. Revenues from sales of compressor packages and parts during the second quarter of 2015 increased $46.9 million compared to the prior year period, as $48.3 million of sales of compressors and parts by CSI were partially offset by decreased sales of non-CSI compressors and parts.
Compression Division gross profit increased during the second quarter of 2015 compared to the prior year period, also primarily due to the impact of the CSI Acquisition, which generated approximately $11.8 million of increased gross profit during the second quarter of 2015. CSI gross profit includes approximately $16.5 million of depreciation and amortization expense, which includes the impact from the allocation of the CSI Acquisition purchase price. CCLP is continuing to capture additional synergies anticipated as part of the integration of CSI's operations. These efforts will continue going forward and are expected to result in additional cost efficiencies in future periods.
The Compression Division reflected a decrease in pretax earnings during the second quarter of 2015 compared to the prior year period, despite the increased gross profit discussed above. Compression Division administrative expense levels increased compared to the prior year period, primarily due to the impact of the CSI Acquisition and the resulting increased corporate allocated costs, partly mitigated by administrative cost reductions and integration efficiencies. Interest expense increased significantly as a result of the issuance of the CCLP Senior Notes and the increased borrowings by CCLP under the CCLP Credit Agreement to finance a portion of the purchase price of the CSI Acquisition. Increased interest expense levels compared to the periods prior to the CSI Acquisition are expected to continue going forward, due to the borrowings associated with the CSI Acquisition and the funding of ongoing capital expenditures. Other expense increased significantly primarily due to increased foreign currency exchange losses and increased financing cost amortization as a result of the financing for the CSI Acquisition.
Offshore Division
Offshore Services Segment

| Three Months Ended June 30, |  | Period to Period Change
| 2015 |  | 2014 |  | 2015 vs 2014 |  | % Change
| (In Thousands, Except Percentages)
Revenues | $ | 35,731 |  |  | $ | 56,241 |  |  | $ | (20,510 | ) |  | (36.5 | )%
Gross profit | 4,690 |  |  | 4,780 |  |  | (90 | ) |  | (1.9 | )%
Gross profit as a percentage of revenue | 13.1 | % |  | 8.5 | % |  |  |  |
General and administrative expense | 2,579 |  |  | 2,917 |  |  | (338 | ) |  | (11.6 | )%
General and administrative expense as a percentage of revenue | 7.2 | % |  | 5.2 | % |  |  |  |
Interest (income) expense, net | — |  |  | 9 |  |  | (9 | ) |  |
Other (income) expense, net | 16 |  |  | 21 |  |  | (5 | ) |  |
Income before taxes | $ | 2,095 |  |  | $ | 1,833 |  |  | $ | 262 |  |  | 14.3 | %
Income before taxes as a percentage of revenue | 5.9 | % |  | 3.3 | % |  |  |  |

Revenues for the Offshore Services segment decreased during the second quarter of 2015 compared to the prior year quarter due to decreased revenues from its diving, well abandonment, and heavy lift services businesses. Decreased diving and well abandonment activity levels in the U.S. Gulf of Mexico reflected an overall decrease in demand in this market, partly due to property acquisitions by key customers that have resulted in a postponement of certain well abandonment projects. Given the current decreased oil and natural gas commodity price environment, Offshore Services anticipates a continued decrease in demand for its services during the remainder of 2015. Offshore Services revenues during the second quarter of 2015 were also negatively affected by the reduction in work performed for our Maritech segment compared to the prior year period, with $2.9 million of such work being performed during the current year compared to $4.9 million of revenues during the prior year period. Revenues for work performed for Maritech, which are eliminated in consolidation, are expected to continue to be lower in future periods.
Gross profit for the Offshore Services segment was consistent with the prior year period despite the impact of decreased activity levels for diving, well abandonment, and heavy lift services as discussed above, as a result of
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cost reduction measures and process efficiencies that have been implemented, including reducing the size of the segment's vessel and equipment fleets. As a result of these cost reduction and process efficiencies, gross profit as a percentage of revenue increased compared to the prior year period. The Offshore Services segment continues to consider additional opportunities to optimize its operating cost structure.
Offshore Services segment income before taxes increased compared to the prior year period due to decreased general and administrative expenses, primarily from reduced salary and employee related expenses. The Offshore Services segment continues to review its administrative cost structure for additional cost reductions and process efficiency actions in response to current market conditions.
Maritech Segment

| Three Months Ended June 30, |  | Period to Period Change
| 2015 |  | 2014 |  | 2015 vs 2014 |  | % Change
| (In Thousands, Except Percentages)
Revenues | $ | 394 |  |  | $ | 1,547 |  |  | $ | (1,153 | ) |  | (74.5 | )%
Gross profit (loss) | 3 |  |  | (10,358 | ) |  | 10,361 |  |  | 100.0 | %
General and administrative expense | 290 |  |  | 340 |  |  | (50 | ) |  | (14.7 | )%
General and administrative expense as a percentage of revenue | 73.6 | % |  | 22.0 | % |  |  |  |
Interest (income) expense, net | 26 |  |  | — |  |  | 26 |  |  |
Other (income) expense, net | — |  |  | — |  |  | — |  |  |
Loss before taxes | $ | (313 | ) |  | $ | (10,698 | ) |  | $ | 10,385 |  |  | 97.1 | %

As a result of the sale of almost all of its producing properties during 2011 and 2012, Maritech revenues were negligible and are expected to continue to be negligible going forward.
Maritech recorded minimal gross profit during the second quarter of 2015 compared to a gross loss during the prior year period, due to $11.1 million of excess decommissioning costs charged to earnings during the prior year period. Maritech charged no excess decommissioning costs to expense during the current year period.
Maritech’s pretax loss during the second quarter of 2015 decreased compared to the pretax loss during the prior year period primarily due to the minimal gross profit discussed above.
Corporate Overhead

| Three Months Ended June 30, |  | Period to Period Change
| 2015 |  | 2014 |  | 2015 vs 2014 |  | % Change
| (In Thousands, Except Percentages)
Gross profit (loss) (depreciation expense) | $ | (254 | ) |  | $ | (527 | ) |  | $ | 273 |  |  | 51.8 | %
General and administrative expense | 11,688 |  |  | 10,064 |  |  | 1,624 |  |  | 16.1 | %
Interest (income) expense, net | 4,415 |  |  | 4,610 |  |  | (195 | ) |  |  |
Other (income) expense, net | 914 |  |  | 718 |  |  | 196 |  |  |  |
Loss before taxes | $ | (17,271 | ) |  | $ | (15,919 | ) |  | $ | (1,352 | ) |  | (8.5 | )%

Corporate Overhead pretax loss increased during the second quarter of 2015 compared to the prior year period, primarily due to increased general and administrative expense. Corporate general and administrative expenses increased due to approximately $3.3 million of increased employee-related expenses, due to increased equity and incentive compensation expense. These increased employee related expenses were partially offset by approximately $0.6 million of decreased professional services expenses, and approximately $1.0 million of increased allocated costs. Decreased corporate interest expense was offset by increased other expense.
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Results of Operations
Six months ended June 30, 2015 compared with six months ended June 30, 2014.
Consolidated Comparisons

| Six Months Ended June 30, |  | Period to Period Change
| 2015 |  | 2014 |  | 2015 vs 2014 |  | % Change
| (In Thousands, Except Percentages)
Revenues | $ | 567,411 |  |  | $ | 455,346 |  |  | $ | 112,065 |  |  | 24.6 | %
Gross profit | 115,947 |  |  | 60,325 |  |  | 55,622 |  |  | 92.2 | %
Gross profit as a percentage of revenue | 20.4 | % |  | 13.2 | % |  |  |  |  |  |
General and administrative expense | 72,741 |  |  | 65,690 |  |  | 7,051 |  |  | 10.7 | %
General and administrative expense as a percentage of revenue | 12.8 | % |  | 14.4 | % |  |  |  |  |  |
Interest expense, net | 25,226 |  |  | 9,315 |  |  | 15,911 |  |  | 170.8 | %
Other (income) expense, net | 1,927 |  |  | (1,503 | ) |  | 3,430 |  |  | (228.2 | )%
Income (loss) before taxes | 16,053 |  |  | (13,177 | ) |  | 29,230 |  |  | 221.8 | %
Income (loss) before taxes as a percentage of revenue | 2.8 | % |  | (2.9 | )% |  |  |  |  |  |
Provision (benefit) for income taxes | 4,310 |  |  | (5,537 | ) |  | 9,847 |  |  | 177.8 | %
Net income (loss) | 11,743 |  |  | (7,640 | ) |  | 19,383 |  |  | 253.7 | %
Net (income) loss attributable to noncontrolling interest | (1,266 | ) |  | (1,751 | ) |  | 485 |  |  |  |
Net income (loss) attributable to TETRA stockholders | $ | 10,477 |  |  | $ | (9,391 | ) |  | $ | 19,868 |  |  | 211.6 | %

Consolidated revenues for the six month period ended June 30, 2015 increased compared to the prior year period primarily due to increased revenues for the Compression Division as a result of the CSI Acquisition. The CSI Acquisition, which resulted in increased revenues of approximately $167.5 million for the six month period ended June 30, 2015, greatly expanded the operations of our Compression Division, allowing it to participate in the compression market at a broader level. This increase in Compression Division revenues was partly offset by decreased revenues in our Offshore and Production Testing Divisions, which were primarily due to the impact of decreased industry demand and activity levels in many of the domestic and international markets we serve, largely caused by decreased oil and natural gas pricing. Fluids Division revenues increased slightly, as decreased onshore water management services revenues were offset by increased offshore completion services and CBF product sales revenues.
Consolidated gross profit increased during the current year period compared to the prior year period primarily due to the impact of our Compression and Fluids Divisions. Compression Division gross profit increased as a result of the increased operations following the CSI Acquisition. The Fluids Division increase in gross profit was primarily due to the increased revenues and the mix of CBF products and services, particularly for U.S. Gulf of Mexico completion fluids products and services and increased profitability from our manufactured products operations. In addition, our Production Testing Division reflected modest improvement in gross profit, despite decreased revenues, largely as a result of cost reductions implemented in response to decreased activity levels. Maritech gross profit also increased compared to the prior year period, due to decreased excess decommissioning costs during the current year period. These increases in gross profit were partially offset by the decreased profitability of our Offshore Division compared to the prior year period, as a result of a significant decrease in revenues and activity levels.
Consolidated general and administrative expenses increased during the six month period ended June 30, 2015 compared to the prior year period primarily due to the increase in the Compression Division administrative costs following the CSI Acquisition. The increase in the Compression Division general and administrative expenses was partially offset by decreased administrative costs for our Fluids, Production Testing, and Offshore Divisions, as well as decreased Corporate Overhead, primarily as a result of cost reduction efforts by these segments. Consolidated general and administrative expense decreased as a percentage of consolidated revenues due to cost reductions and the increased revenues resulting from the CSI Acquisition.
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Consolidated interest expense increased due to increased borrowings, primarily from the increased borrowings by the Compression Division, through CCLP. Compression Division interest expense levels going forward are expected to continue to be increased compared to the periods prior to the CSI Acquisition as a result of borrowings associated with the CSI Acquisition during 2014 and from borrowings associated with subsequent CCLP capital expenditure activity.
Consolidated other expense was $1.9 million during the six months ended June 30, 2015 compared to $1.5 million of other income during the prior year period. Included in other income during the prior year period was a $5.7 million gain associated with the acquisition of the interest in TETRA Arabia that we did not previously own. This gain during the 2014 period was partially offset by a $2.9 million charge associated with the settlement of the pre-existing relationship with the other shareholder during the period. Other expense during the 2015 period includes increased Compression Division financing cost amortization as a result of the financing for the CSI Acquisition
Our consolidated effective tax rate for the six month periods ended June 30, 2015, includes the effect of changes in our expected valuation allowance at the end of 2015 related to our deferred tax assets, such as our U.S. net operating loss carryforward. At December 31, 2014, we increased our valuation allowance primarily on our U.S. deferred tax assets after considering all available positive and negative evidence related to the realizability of our deferred tax assets. Included in our deferred tax assets are net operating loss carryforwards and tax credits that are available to offset future income tax liabilities in the U.S. as well as in certain foreign jurisdictions.
Divisional Comparisons
Fluids Division

| Six Months Ended June 30, |  | Period to Period Change
| 2015 |  | 2014 |  | 2015 vs 2014 |  | % Change
| (In Thousands, Except Percentages)
Revenues | $ | 222,261 |  |  | $ | 221,795 |  |  | $ | 466 |  |  | 0.2 | %
Gross profit | 65,720 |  |  | 50,664 |  |  | 15,056 |  |  | 29.7 | %
Gross profit as a percentage of revenue | 29.6 | % |  | 22.8 | % |  |  |  |  |  |
General and administrative expense | 15,799 |  |  | 17,975 |  |  | (2,176 | ) |  | (12.1 | )%
General and administrative expense as a percentage of revenue | 7.1 | % |  | 8.1 | % |  |  |  |  |  |
Interest (income) expense, net | (84 | ) |  | (107 | ) |  | (23 | ) |  |  |
Other (income) expense, net | (315 | ) |  | (2,740 | ) |  | (2,425 | ) |  |  |
Income before taxes | $ | 50,320 |  |  | $ | 35,536 |  |  | $ | 14,784 |  |  | 41.6 | %
Income before taxes as a percentage of revenue | 22.6 | % |  | 16.0 | % |  |  |  |  |  |

Revenues for the Fluids Division increased slightly during the six month period ended June 30, 2015 compared to the prior year period, as approximately $12.4 million of increased product sales revenues were largely offset by $11.9 million of decreased services revenues. Product sales revenues increased primarily from market share gains for domestic offshore CBF and associated products sales. In addition, a portion of the Fluids Division's increased CBF and associated products sales revenues are from U.S. Gulf of Mexico product and services associated with a new completion fluid technology. This increase in domestic offshore product sales revenues more than offset decreased sales of international CBF products. Fluids Division service revenues decreased due to reduced onshore water management services revenues, reflecting the decreased activity levels as a result of lower oil and natural gas prices compared to the prior year period. Partially offsetting these decreased service revenues, offshore completion services revenues increased due to the new offshore completion fluids technology discussed above.
Fluids Division gross profit during the first six months of 2015 increased compared to the prior year period despite the consistent level of revenues, primarily due to improved margins due to the mix of CBF products and services, including the impact of the increased U.S. Gulf of Mexico CBF and completion services revenues. Manufactured products gross profit also increased, partially due to $2.6 million of insurance claim proceeds
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received and credited to earnings during the current year period. Cost reduction efforts also contributed to the improved gross profit during the current year period compared to the prior year period.
Fluids Division income before taxes increased compared to the prior year period due to the increased gross profit discussed above. Decreased Fluids Division other income was largely offset by decreased Fluids Division general and administrative costs, due to administrative cost reductions, primarily associated with the decreased water management operations. Other income decreased due to a $2.7 million allocated portion of the remeasurement gain recorded in the prior year period from our January 2014 acquisition of the remaining interest in TETRA Arabia. In connection with this acquisition, we recorded a $5.7 million consolidated gain from the fair value measurement of our previous investment in TETRA Arabia. No such gain was recorded in the current year period, thus resulting in the decrease in other income.
Production Testing Division

| Six Months Ended June 30, |  | Period to Period Change
| 2015 |  | 2014 |  | 2015 vs 2014 |  | % Change
| (In Thousands, Except Percentages)
Revenues | $ | 71,944 |  |  | $ | 86,015 |  |  | $ | (16,413 | ) |  | (19.1 | )%
Gross profit | 6,777 |  |  | 6,375 |  |  | 402 |  |  | 6.3 | %
Gross profit as a percentage of revenue | 9.7 | % |  | 7.4 | % |  |  |  |  |  |
General and administrative expense | 8,702 |  |  | 10,409 |  |  | (1,707 | ) |  | (16.4 | )%
General and administrative expense as a percentage of revenue | 12.5 | % |  | 12.1 | % |  |  |  |  |  |
Interest (income) expense, net | 5 |  |  | (59 | ) |  | 64 |  |  |  |
Other (income) expense, net | (1,497 | ) |  | (928 | ) |  | (569 | ) |  |  |
Income (loss) before taxes | $ | (433 | ) |  | $ | (3,047 | ) |  | $ | 2,614 |  |  | 85.8 | %
Income (loss) before taxes as a percentage of revenue | (0.6 | )% |  | (3.5 | )% |  |  |  |  |  |

Production Testing Division revenues decreased during the first six months of 2015 compared to the prior year period, primarily due to decreased overall market activity, as increases in Saudi Arabia and Argentina were more than offset by decreases in the Canadian, U.S., and Iraqi markets. The impact of increased competition for decreased industry activity negatively affected pricing and our activity levels for services in selected markets in the U.S. and in certain international markets, although the Division has successfully expanded its domestic customer base compared to the prior year period.
Production Testing Division gross profit increased during the first six months of 2015 compared to the prior year period, despite the market conditions discussed above, due to the impact of cost reduction efforts, which have included headcount reductions and other steps to adjust the Production Testing Division's cost structure in light of the current market conditions, particularly in key U.S. markets. As a percentage of revenues, gross profit increased primarily due to the reduced revenues discussed above.
Production Testing Division reported a decreased pretax loss compared to the prior year period, primarily due to administrative employee cost reductions and the increase in gross profit discussed above. The impact of administrative cost reductions was partially offset by $1.1 million of increased bad debt expense. In addition, other income increased due to approximately $0.7 million of increased gains on sales of assets, partly offset by increased foreign currency losses.
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Compression Division

| Six Months Ended June 30, |  | Period to Period Change
| 2015 |  | 2014 |  | 2015 vs 2014 |  | % Change
| (In Thousands, Except Percentages)
Revenues | $ | 229,344 |  |  | $ | 61,779 |  |  | $ | 167,565 |  |  | 271.2 | %
Gross profit | 43,937 |  |  | 21,050 |  |  | 22,887 |  |  | 108.7 | %
Gross profit as a percentage of revenue | 19.2 | % |  | 34.1 | % |  |  |  |  |  |
General and administrative expense | 21,769 |  |  | 9,082 |  |  | 12,687 |  |  | 139.7 | %
General and administrative expense as a percentage of revenue | 9.5 | % |  | 14.7 | % |  |  |  |  |  |
Interest (income) expense, net | 15,867 |  |  | 304 |  |  | 15,563 |  |  |  |
Other (income) expense, net | 2,397 |  |  | 1,000 |  |  | 1,397 |  |  |  |
Income before taxes | $ | 3,904 |  |  | $ | 10,664 |  |  | $ | (6,760 | ) |  | (63.4 | )%
Income before taxes as a percentage of revenue | 1.7 | % |  | 17.3 | % |  |  |  |  |  |

Compression Division revenues increased significantly during the first six months of 2015 compared to the prior year period due to the CSI Acquisition, which generated aggregate revenues of approximately $167.5 million during the 2015 period. Approximately $101.9 million of the $104.3 million increase in compression service revenues were generated by the compression services and aftermarket services revenues of CSI, with the remaining increase primarily a result of increased low-horsepower compression services revenues, mostly in liquids-rich resource play reservoirs. Revenues from sales of compressor packages and parts during the first six months of 2015 increased $63.2 million compared to the prior year period, with $65.7 million of increase related to sales of compressors and parts by CSI partially offset by decreased sales of non-CSI compressors and parts.
Compression Division gross profit increased during the first six months of 2015 compared to the prior year period, also primarily due to the impact of the CSI Acquisition, which generated approximately $24.3 million of increased gross profit during the first half of 2015. CSI gross profit includes approximately $32.4 million of depreciation and amortization expense, which includes the impact from the allocation of the CSI Acquisition purchase price. CCLP is continuing to capture additional synergies anticipated as part of the integration of CSI's operations. These efforts will continue going forward and are expected to result in additional cost efficiencies in future periods.
The Compression Division reflected a decrease in pretax earnings during the first six months of 2015 compared to the prior year period, despite the significantly increased gross profit discussed above. Compression Division administrative expense levels increased compared to the prior year period, primarily due to the impact of the CSI Acquisition and the resulting increased corporate allocated costs, partly mitigated by administrative cost decreases and integration efficiencies. Interest expense increased significantly as a result of the issuance of the CCLP Senior Notes and the increased borrowings by CCLP under the CCLP Credit Agreement to finance a portion of the purchase price of the CSI Acquisition. Increased interest expense levels compared to the periods prior to the CSI Acquisition are expected to continue going forward, due to the borrowings associated with the CSI Acquisition and the funding of ongoing capital expenditures. Other expense increased primarily due to increased financing cost amortization as a result of the financing for the CSI Acquisition.
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Offshore Division
Offshore Services Segment

| Six Months Ended June 30, |  | Period to Period Change
| 2015 |  | 2014 |  | 2015 vs 2014 |  | % Change
| (In Thousands, Except Percentages)
Revenues | $ | 47,515 |  |  | $ | 91,571 |  |  | $ | (44,056 | ) |  | (48.1 | )%
Gross profit (loss) | (1,279 | ) |  | (204 | ) |  | (1,075 | ) |  | (527.0 | )%
Gross profit (loss) as a percentage of revenue | (2.7 | )% |  | (0.2 | )% |  |  |  |  |  |
General and administrative expense | 5,322 |  |  | 6,015 |  |  | (693 | ) |  | (11.5 | )%
General and administrative expense as a percentage of revenue | 11.2 | % |  | 6.6 | % |  |  |  |  |  |
Interest (income) expense, net | — |  |  | 36 |  |  | (36 | ) |  |  |
Other (income) expense, net | (48 | ) |  | (116 | ) |  | (68 | ) |  |  |
Loss before taxes | $ | (6,553 | ) |  | $ | (6,139 | ) |  | $ | (414 | ) |  | (6.7 | )%
Loss before taxes as a percentage of revenue | (13.8 | )% |  | (6.7 | )% |  |  |  |  |  |

Revenues for the Offshore Services segment decreased significantly during the first six months of 2015 compared to the prior year period due to decreased revenues from its diving, well abandonment, and heavy lift services businesses. Decreased diving and well abandonment activity levels in the U.S. Gulf of Mexico reflected an overall decrease in demand in this market, partly due to property acquisitions by key customers that have resulted in a postponement of certain well abandonment projects. Given the current decreased oil and natural gas commodity price environment, the Offshore Services segment anticipates a continued decrease in demand for its services during the remainder of 2015 compared to the prior year period. Offshore Services revenues during the first six months of 2015 were also negatively affected by the reduction in work performed for our Maritech segment compared to the prior year period, with $3.2 million of such work being performed during the current year period compared to $6.7 million of revenues during the prior year period. Revenues for work performed for Maritech, which are eliminated in consolidation, are expected to continue to be lower in future periods.
Gross loss for the Offshore Services segment increased compared to the prior year period due to the impact of decreased activity levels for diving, well abandonment, and heavy lift services as discussed above. However, the increased gross loss for the period was reduced as a result of cost reduction measures and process efficiencies that were implemented during the current and prior year period, including reducing the size of the segment's vessel and equipment fleets. The Offshore Services segment continues to consider additional opportunities to optimize its operating cost structure.
Offshore Services segment loss before taxes increased compared to the prior year period due to the increased gross loss discussed above and despite decreased general and administrative expenses. The Offshore Services segment continues to review its administrative cost structure, and made additional headcount reductions and process efficiency actions during the current year period.
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Maritech Segment

| Six Months Ended June 30, |  | Period to Period Change
| 2015 |  | 2014 |  | 20145vs 2014 |  | % Change
| (In Thousands, Except Percentages)
Revenues | $ | 1,900 |  |  | $ | 2,923 |  |  | $ | (1,023 | ) |  | (35.0 | )%
Gross profit (loss) | 1,301 |  |  | (16,484 | ) |  | 17,785 |  |  | 107.9 | %
General and administrative expense | 613 |  |  | 753 |  |  | (140 | ) |  | (18.6 | )%
General and administrative expense as a percentage of revenue | 32.3 | % |  | 25.8 | % |  |  |  |  |  |
Interest (income) expense, net | 26 |  |  | — |  |  | 26 |  |  |  |
Other (income) expense, net | — |  |  | — |  |  | — |  |  |  |
Income (loss) before taxes | $ | 662 |  |  | $ | (17,237 | ) |  | $ | 17,899 |  |  | 103.8 | %

As a result of the sale of almost all of its producing properties during 2011 and 2012, Maritech revenues were negligible and are expected to continue to be negligible going forward.
Maritech recorded gross profit during the first six months of 2015 compared to a gross loss during the prior year period, due to $19.0 million of excess decommissioning costs charged to earnings during the prior year period. Maritech recorded no excess decommissioning costs to expense during the current year period.
Maritech’s pretax income during the first six months of 2015 compared to the pretax loss during the prior year period is primarily due to the increased gross profit discussed above.
Corporate Overhead

| Six Months Ended June 30, |  | Period to Period Change
| 2015 |  | 2014 |  | 2015 vs 2014 |  | % Change
| (In Thousands, Except Percentages)
Gross profit (loss) (primarily depreciation expense) | $ | (512 | ) |  | $ | (1,081 | ) |  | $ | 569 |  |  | 52.6 | %
General and administrative expense | 20,537 |  |  | 21,458 |  |  | (921 | ) |  | (4.3 | )%
Interest (income) expense, net | 9,412 |  |  | 9,141 |  |  | 271 |  |  |  |
Other (income) expense, net | 1,376 |  |  | 1,280 |  |  | 96 |  |  |  |
Loss before taxes | $ | (31,837 | ) |  | $ | (32,960 | ) |  | $ | 1,123 |  |  | 3.4 | %

Corporate Overhead pretax loss decreased during the first six months of 2015 compared to the prior year period, primarily due to decreased general and administrative expense. Corporate general and administrative expenses decreased, as approximately $2.7 million of increased employee-related expenses, due to increased equity and incentive compensation, was offset by approximately $1.3 million of decreased professional services expenses, and approximately $2.2 million of increased allocated costs to other segments. These decreases were partially offset by increased corporate interest expense, due to increased borrowings outstanding during the current year period. Increased other expense was primarily due to increased foreign currency exchange losses.
Liquidity and Capital Resources
Despite a challenging market environment for a number of our businesses, our consolidated cash flows from operating activities increased during the first six months of 2015 compared to the corresponding prior year period. This increase was due to a number of factors, including the CSI Acquisition, the impact of cost reduction efforts, and from a reduction in Maritech abandonment and decommissioning activities compared to the corresponding prior year period. Approximately $52.2 million of our consolidated operating cash flows during the six months ended June 30, 2015 were generated by CCLP, and we received approximately $15.0 million of distributions from CCLP during the six months ended June 30, 2015 compared to $11.8 million during the
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corresponding prior year period. Excluding the cash flows from operating activities of CCLP, our cash flows from operating activities, along with the borrowings available under our Credit Agreement are expected to be adequate to fund our capital expenditures and debt service requirements through June 30, 2016, including the repayment of $90.0 million of our 2006-A Senior Notes that mature in April 2016. Although a portion of the increased operating cash flows of CCLP following the CSI Acquisition will be used by CCLP to pay the debt service requirements of the CCLP Senior Notes and CCLP Credit Agreement, CCLP's distributable cash flows following the CSI Acquisition are expected to continue to be increased during the remainder of 2015 compared to the corresponding prior year period. These anticipated increased distributable cash flows of CCLP, along with the impact of the incentive distribution rights owned by CSI Compressco GP Inc., our wholly owned subsidiary, are expected to continue to result in an increase in the quarterly distributions we receive from CCLP going forward compared to the prior year period. Our ability to meet our financial obligations and fund future growth is dependent on future levels of consolidated operating cash flows and the availability of capital resources in uncertain operating and financial markets. Our consolidated sources and uses of cash during the six months ended June 30, 2015 are as follows:

| Six Months Ended June 30, 2015
| (In Thousands)
Operating activities | $ | 82,162 |
Investing activities | (69,649 | )
Financing activities | (18,040 | )

Our consolidated capital structure changed significantly during 2014 as a result of the CSI Acquisition. Because of the increased level of consolidated debt, it is increasingly important to consider TETRA's capital structure and CCLP's capital structure separately, as we have no cross default provisions, cross collateralization provisions, or cross guarantees with CCLP's debt, nor does CCLP with TETRA's debt. (See Financing Activities section below for a complete discussion of the terms of TETRA and CCLP debt arrangements.) Our consolidated debt outstanding has a carrying value of approximately $936.1 million as of June 30, 2015. However, approximately $578.2 million of this consolidated debt balance is owed by CCLP and is serviced from the assets and operations of CCLP. Through our 44% ownership interest in CCLP, we receive our share of the distributable cash flows of CCLP through its quarterly distributions. Approximately $33.3 million of the $41.9 million of the cash balance reflected on our consolidated balance sheet is owned by CCLP and is not accessible to us. As of June 30, 2015, CCLP had availability of approximately $160.9 million under its CCLP Credit Agreement, and we had availability of approximately $121.8 million under our Credit Agreement.
Beginning in 2014,significant decreases in oil and natural gas commodity prices have lowered the capital expenditure and operating plans of many of our customers, creating additional uncertainty regarding the expected demand for many of our products and services and the resulting cash flows from operating activities for the foreseeable future. In addition, the availability of new borrowings in the current capital markets is more limited and costly. Accordingly, we continue to implement strategic cost reduction measures designed to lower our cost structure in the current environment, and have taken other steps to improve our operating cash flows. In addition, we are considering certain financing transactions with a view of generating additional cash to reduce the amount of our outstanding borrowings under our Credit Agreement, repay or refinance certain of our Senior Notes, and generate additional liquidity. We believe the steps taken have enhanced our operating cash flows and will continue to enhance our operating cash flows in the future. As a result, we believe that despite the current industry environment and activity levels, we will have adequate liquidity to fund our operations and debt obligations and maintain compliance with debt covenants through June 30, 2016, including the repayment of the $90.0 million principal amount of the Series 2006-A Senior Notes, which mature in April 2016. However, we cannot predict how an extended period of low commodity prices will affect our operations and liquidity levels.
Operating Activities
Cash flows generated by operating activities totaled $82.2 million during the first six months of 2015 compared to $40.6 million during the corresponding prior year period, an increase of $41.5 million. This increase in operating cash flows was partially due to the increased cash impact of earnings compared to the prior year period. In addition, operating cash flows also increased due to the decrease in the amount spent on Maritech decommissioning activity, as approximately $4.4 million of decommissioning activity was performed during the six months ended June 30, 2015 compared to $29.8 million during the corresponding prior year period.
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Demand for a large portion of our products and services is driven by oil and gas industry activity, which is affected by oil and natural gas commodity pricing. Oil and natural gas prices have been volatile in the past and are expected to continue to be volatile in the future. In addition, as a result of the continued decrease in oil and natural gas commodity prices compared to early 2014, drilling activity related to natural gas wells in North America has decreased. In particular, certain of our Production Testing Division, Compression Division, and Fluids Division operations are vulnerable to the impact of a sustained low natural gas price environment. In addition, decreased worldwide crude oil prices have affected, and are likely to continue to affect, overall industry drilling activity in certain of the other regions in which we operate. If oil and gas industry activity levels decrease in the future, we expect that our levels of operating cash flows will be negatively affected.
During the first half of 2015, we have continued to take steps to reduce operating and administrative headcount for each of our segments. These steps are designed to further streamline our operations and downsize our organization, particularly in response to continuing market challenges for certain of our businesses. Together with the specific cost reduction steps taken during prior periods, these cost reduction efforts have resulted in increased operating cash flows and improved profitability. We continue to review our overall operating and administrative cost structure in order to identify additional opportunities to reduce costs.
As part of its integration of CSI, CCLP is continuing to capture additional strategic and operational synergies identified in connection with the CSI Acquisition. Such synergies include improved utilization of idle equipment, field level cost reductions, and reductions in combined general and administrative expenses. These efforts are designed to improve the efficiency of the combined operations, and are expected to increase operating cash flows.
As of June 30, 2015, Maritech’s decommissioning liabilities associated with its remaining offshore oil and gas production wells, platforms, and facilities totaled approximately $50.8 million. Approximately $11.5 million of this amount is expected to be performed during the twelve month period ended June 30, 2016, with the timing of a portion of this work being discretionary. Until the remaining decommissioning liabilities are extinguished, our future operating cash flows will continue to be affected by Maritech’s decommissioning expenditures as they are incurred. Included in Maritech’s decommissioning liabilities is the remaining abandonment, decommissioning, and debris removal associated with offshore platforms that were previously destroyed by a hurricane as well as certain remediation work required on wells that were previously plugged. Due to the unique nature of the remaining work to be performed associated with these properties, actual costs could greatly exceed these estimates and could therefore result in significant charges to earnings in future periods.
Asset retirement obligations are recorded in accordance with Financial Accounting Standards Board ("FASB") Accounting Standards Codification ("ASC") 410, whereby the estimated fair value of a liability for asset retirement obligations is recorded in the period in which it is incurred and in which a reasonable estimate can be made. Such estimates are based on relevant assumptions that we believe are reasonable. The cost estimates for Maritech asset retirement obligations are considered reasonable estimates consistent with market conditions at the time they are made, and we believe reflect the amount of work legally required to be performed in accordance with Bureau of Safety and Environmental Enforcement ("BSEE") standards, as revised from time to time.
The amount of work performed or estimated to be performed on a Maritech property asset retirement obligation often exceeds amounts previously estimated for numerous reasons including physical subsea, geological, or downhole conditions, that are different from those anticipated at the time of estimation due to the age of the property and the quality of information available about the particular property conditions. Maritech’s remaining oil and gas properties and production platforms were drilled and constructed by other operators many years ago and frequently there is not a great deal of detailed documentation on which to base the estimated asset retirement obligation for these properties. Appropriate underwater surveys are typically performed to determine the condition of such properties as part of our due diligence in estimating the costs, but not all conditions have been able to be determined prior to the commencement of the actual work.
Certain remaining Maritech properties were damaged by hurricanes in the past, leaving their production platforms leaning or toppled on the seabed and production tubing from the wells (which may be under high pressure) bent underwater. While the basic procedures involved in the plugging and abandonment of wells and decommissioning of platforms and pipelines and removal of debris is generally similar for these properties, the cost of performing work at these damaged locations is particularly difficult to estimate due to the unique conditions encountered, including the uncertainty regarding the extent of physical damage to many of the structures. Maritech
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has one remaining toppled platform as part of its asset retirement obligation as of June 30, 2015. During the performance of asset retirement activities, unforeseen weather or other conditions may extend the duration and increase the cost of the projects, which are normally not done on a fixed price basis, thereby resulting in costs in excess of the original estimate.
In addition, Maritech has encountered situations where previously plugged and abandoned wells on its properties have later exhibited a build-up of pressure that is evidenced by gas bubbles coming from the plugged well head. We refer to this situation as “wells under pressure” and this can either be discovered by us when we perform additional work at the property or by notification from a third party. Wells under pressure require Maritech to return to the site to perform additional plug and abandonment procedures that were not originally anticipated or included in the estimate of the asset retirement obligation for such property. Remediation work at previously abandoned well sites is particularly costly due to the lack of a platform from which to base these activities. Maritech is the last operator of record for its plugged wells and bears the risk of additional future work required as a result of wells becoming under pressure in the future.
For oil and gas properties previously operated by Maritech, the purchaser of the properties generally became the successor operator and assumed the financial responsibilities associated with the properties’ operations and abandonment and decommissioning. However, to the extent that purchasers of these oil and gas properties fail to perform the abandonment and decommissioning work required and there is insufficient bonding or other security, the previous owners and operators of the properties, including Maritech, may be required to assume responsibility for the abandonment and decommissioning obligations.
Investing Activities
During the first six months of 2015, the total amount of our net cash utilized on investing activities was $69.6 million. Total cash capital expenditures during the first six months of 2015 were $73.3 million. Approximately $7.6 million of our capital expenditures during the first six months of 2015 was spent by our Fluids Division, the majority of which related to chemical plant improvements and the purchase of new equipment to support its water management services business. Our Production Testing Division spent approximately $6.0 million on capital expenditures to add to its international production testing equipment fleet. Our Compression Division spent approximately $57.2 million primarily for the expansion of its compressor and equipment fleet for its CSI subsidiary. Our Offshore Services segment spent approximately $2.6 million on its various heavy lift barges and dive support vessels, primarily for required drydock expenditures.
Generally, a significant majority of our planned capital expenditures has been related to identified opportunities to grow and expand certain of our existing businesses. However, certain of these planned expenditures have been, and may continue to be, postponed or canceled in an effort to conserve capital or otherwise address future market conditions. During the current period of reduced oil and natural gas prices, we are reviewing all capital expenditure plans carefully in an effort to conserve cash and fund our liquidity needs. The deferral of capital projects could affect our ability to compete in the future. Excluding the capital expenditures of CCLP, we expect to spend approximately $25 to $35 million during 2015, and $16.1 million of this amount was expended during the first half of the year. CCLP expects to spend approximately $105 million during 2015, $57.2 million of which was expended during the first half of the year. The level of capital expenditures during the remainder of 2015 is subject to the impact of possible acquisitions and future market conditions.
Financing Activities
To fund our capital and working capital requirements, we may supplement our existing cash balances and cash flow from operating activities from short-term borrowings, long-term borrowings, operating leases, equity issuances, and other sources of capital.
TETRA Long-Term Debt
Bank Credit Facilities. As of August 7, 2015, TETRA (excluding CCLP) had an outstanding balance on its revolving credit facility (the "Credit Agreement") of approximately $110.0 million, and had $9.9 million in letters of credit and guarantees against the revolving credit facility, leaving a net availability of $105.1million. These amounts do not include the impact of the CCLP Credit Agreement, which is separate and distinct from TETRA's Credit Agreement.
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Under the Credit Agreement, which matures on September 30, 2019, the revolving credit facility is unsecured and guaranteed by our material U.S. subsidiaries (excluding CCLP and its subsidiaries). Borrowings generally bear interest at the British Bankers Association LIBOR rate plus 1.50% to 2.75%, depending on one of our financial ratios. We pay a commitment fee ranging from 0.225% to 0.500% on unused portions of the facility. The Credit Agreement contains customary covenants and other restrictions, including certain financial ratio covenants based on TETRA's levels of debt and interest cost compared to a defined measure of TETRA's operating cash flows over a twelve month period. These financial ratios include a minimum interest charge coverage ratio (ratio of a defined measure of earnings to interest) of 3.0 and a maximum leverage ratio (ratio of debt and letters of credit outstanding to a defined measure of earnings) of 3.5. The maximum leverage ratio decreases to 3.25 as of September 30, 2015, and it will decrease further to 3.0 as of March 31, 2016. Consolidated net earnings under the credit facility is defined as the aggregate of our net income (or loss) and our consolidated restricted subsidiaries, including cash dividends and distributions (not the return of capital) received from persons other than consolidated restricted subsidiaries (such as CCLP) and after allowances for taxes for such period determined on a consolidated basis in accordance with GAAP, excluding certain items more specifically described therein. At June 30, 2015, our leverage ratio was 2.38 to 1, compared to 2.88 to 1 at March 31, 2015 and 2.94 to 1 at December 31, 2014.
The Credit Agreement includes cross-default provisions relating to any other indebtedness (not including indebtedness of CCLP) greater than a defined amount. Our Credit Agreement also contains a covenant that restricts us from paying dividends in the event of a default or if such payment would result in an event of default. We are in compliance with all covenants and conditions of TETRA's Credit Agreement as of June 30, 2015. Our continuing ability to comply with these financial covenants depends largely upon our ability to generate adequate cash flow. Historically, our financial performance has been more than adequate to meet these covenants. Due to the decreased demand for certain of our products and services by our customers in response to decreased oil and natural gas prices, we have taken strategic cost reduction efforts, including headcount reductions and other efforts, to reduce costs and generate cash to mitigate the reduced demand for our products and services. In addition, certain of our businesses have seen increased activity and profitability levels, despite current oil and natural gas prices. Based on our projections for each of the four quarterly periods subsequent to June 30, 2015, and including the impact of these cost reduction efforts and increased activity levels on future estimated operating cash flows, we anticipate that we will have sufficient liquidity to fund the repayment of the $90.0 million principal amount of the Series 2006-A Senior Notes that mature in April 2016, and maintain compliance with the financial covenants under the Credit Agreement through June 30, 2016. We are also reviewing the sale of selected assets and additional financing alternatives as a source of proceeds to further repay or refinance a portion of TETRA's outstanding borrowings. There can be no assurances that these cost reduction or cash generation efforts will be successful, or that market conditions and our operating performance will not further decrease compared to our projections.
Senior Notes. In April 2006, we issued $90.0 million in aggregate principal amount of Series 2006-A Senior Notes pursuant to our existing Master Note Purchase Agreement dated September 2004, as supplemented as of April 18, 2006. The Series 2006-A Senior Notes bear interest at a fixed rate of 5.90% and mature on April 30, 2016. Interest on the 2006-A Senior Notes is due semiannually on April 30 and October 30 of each year.
In April 2008, we issued $90.0 million in aggregate principal amount of Series 2008-B Senior Notes pursuant to a Note Purchase Agreement dated April 30, 2008. The Series 2008-B Senior Notes bore interest at a fixed rate of 6.56% and matured and were repaid on April 30, 2015.
In December 2010, we issued $65.0 million in aggregate principal amount of Series 2010-A Senior Notes and $25.0 million in aggregate principal amount of Series 2010-B Senior Notes (collectively, the "2010 Senior Notes") pursuant to a Note Purchase Agreement dated September 30, 2010. The Series 2010-A Senior Notes bear interest at a fixed rate of 5.09% and mature on December 15, 2017. The Series 2010-B Senior Notes bear interest at a fixed rate of 5.67% and mature on December 15, 2020. Interest on the Series 2010 Senior Notes is due semiannually on June 15 and December 15 of each year.
In April 2013, we issued $35.0 million in aggregate principal amount of Series 2013 Senior Notes pursuant to a Note Purchase Agreement dated April 29, 2013. The Series 2013 Senior Notes bear interest at a fixed rate of 4.0% and mature on April 29, 2020. Interest on the Series 2013 Senior Notes is due semiannually on April 29 and October 29 of each year.
We may prepay the Senior Notes, in whole or in part, at any time at a price equal to 100% of the principal amount outstanding, plus accrued and unpaid interest and a “make-whole” prepayment premium. The Senior Notes are unsecured and are guaranteed by substantially all of our wholly owned U.S. subsidiaries. The Note Purchase
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Agreements and the Master Note Purchase Agreement, as supplemented, contain customary covenants and restrictions and require us to maintain certain financial ratios, including a minimum level of net worth and a ratio between TETRA's long-term debt balance and a defined measure of operating cash flow over a twelve month period. These financial ratios include a maximum leverage ratio (ratio of debt and letters of credit outstanding to a defined measure of earnings) of 3.5. Consolidated net earnings under the Note Purchase Agreements and Master Note Purchase Agreement is defined as the aggregate of our net income (or loss) and our consolidated restricted subsidiaries, including cash dividends and distributions (not the return of capital) received from persons other than consolidated restricted subsidiaries (such as CCLP) and after allowances for taxes for such period determined on a consolidated basis in accordance with GAAP, excluding certain items more specifically described therein. Under these note purchase agreements, the financial ratio requirements include a minimum interest coverage ratio of 2.5 and a maximum leverage ratio of 3.5. At June 30, 2015, our leverage ratio was 2.38 to 1.
The Note Purchase Agreements and the Master Note Purchase Agreement also contain customary default provisions as well as a cross-default provision relating to any other of TETRA indebtedness of $20.0 million or more. We are in compliance with all covenants and conditions of the Note Purchase Agreements and the Master Note Purchase Agreement as of June 30, 2015. Our continuing ability to comply with these financial covenants depends largely upon our ability to generate adequate cash flow. Historically, our financial performance has been more than adequate to meet these covenants, and we expect this trend to continue. Based on our projections for each of the four quarterly periods subsequent to June 30, 2015, and including the impact of these cost reduction efforts and increased activity levels on estimated future operating cash flows, we anticipate that we will have sufficient liquidity to fund the repayment of the $90.0 million principal amount of the Series 2006-A Senior Notes, that mature in April 2016, and be in compliance with the financial covenants under the Note Purchase Agreements and the Master Note Purchase Agreement through June 30, 2016.
Senior Secured Notes. On March 18, 2015, we entered into a Note Purchase Agreement (the "Note Purchase Agreement") with Wells Fargo Energy Capital, Inc., in its capacity as noteholder representative for the noteholders (the "Noteholder Representative"), and Wells Fargo Energy Capital, Inc., in its capacity as the sole initial purchaser. The Note Purchase Agreement relates to the issuance and sale of $50.0 million aggregate principal amount of Senior Secured Notes due April 1, 2017 (the "Senior Secured Notes"). On April 30, 2015, we completed the issuance and sale of the Senior Secured Notes in a private placement exempt from the registration requirements of the Securities Act of 1933, as amended (the "Securities Act"). The proceeds from these Senior Secured Notes were used to provide a portion of the funds necessary to repay the $90.0 million principal amount repayment of the Series 2008-B Senior Notes that matured on April 30, 2015. The Senior Secured Notes are secured by our accounts receivable (excluding CCLP accounts receivable) and our limited partner interest in CCLP.
The Note Purchase Agreement contains customary covenants and restrictions and requires us to comply with certain financial covenants, including a minimum interest coverage ratio of 2.5. These financial ratios also include a maximum leverage ratio (ratio of debt and letters of credit outstanding to a defined measure of earnings (as defined in the Note Purchase Agreement)) of 3.5. At June 30, 2015, our leverage ratio was 2.38 to 1.
The principal portion of each of the Senior Secured Notes consists of tranches that bear interest at LIBOR, as defined in the Note Purchase Agreement, plus an applicable margin ("LIBOR Tranches") and tranches that bear interest at the Base Rate plus an applicable margin ("Base Rate Tranches"), as we may request in accordance with the Note Purchase Agreement. The initial Senior Secured Note issued on the closing bears interest at LIBOR, plus an applicable margin. We may convert the LIBOR Tranche into a Base Rate Tranche in accordance with the Note Purchase Agreement. The Note Purchase Agreement contains customary covenants and default and cross-default provisions.
CCLP Long-Term Debt
CCLP’s Bank Credit Facilities. Under CCLP's bank credit agreement (the "CCLP Credit Agreement"), CCLP and CSI Compressco Sub, Inc. are named as the borrowers and all obligations under the CCLP Credit Agreement are guaranteed by all of CCLP's existing and future, direct and indirect, domestic restricted subsidiaries (other than domestic subsidiaries that are wholly owned by foreign subsidiaries). We are not a borrower or a guarantor under the CCLP Credit Agreement. The CCLP Credit Agreement includes a maximum credit commitment of $400.0 million, and included within such amount is availability for letters of credit (with a sublimit of $20.0 million) and swingline loans (with a sublimit of $60.0 million). As of August 7, 2015, CCLP has a balance outstanding under the CCLP Credit Agreement of $233.0 million, has $6.1 million letters of credit and performance bonds outstanding, and has availability under the CCLP Credit Agreement of $160.9 million.
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The CCLP Credit Agreement is available to provide CCLP's working capital needs, letters of credit, and for general partnership purposes, including capital expenditures and potential future expansions or acquisitions. So long as CCLP is not in default, the CCLP Credit Agreement can also be used to fund CCLP’s quarterly distributions at the option of the board of directors of CCLP's general partner (provided, that after giving effect to such distributions, the borrowers will be in compliance with the financial covenants). The maturity date of the CCLP Credit Agreement is August 4, 2019.
Borrowings under the CCLP Credit Agreement bear interest at a rate per annum equal to, at CCLP's option, either (a) LIBOR (adjusted to reflect any required bank reserves) for an interest period equal to one, two, three, or six months (as selected by CCLP), plus a leverage-based margin or (b) a base rate plus a leverage-based margin; such base rate shall be determined by reference to the highest of (1) the prime rate of interest per annum announced from time to time by Bank of America, N.A. (2) the Federal Funds rate plus 0.50% per annum and (3) LIBOR (adjusted to reflect any required bank reserves) for a one-month interest period on such day plus 1.00% per annum. LIBOR based loans will have an applicable margin that will range between 1.75% and 2.50% per annum and base rate loans will have an applicable margin that will range between 0.75% and 1.50% per annum, each based on CCLP's consolidated total leverage ratio when financial statements are delivered. In addition to paying interest on outstanding principal under the CCLP Credit Agreement, CCLP is required to pay a commitment fee in respect of the unutilized commitments thereunder at the applicable rate ranging from 0.375% to 0.50% per annum, paid quarterly in arrears based on CCLP's consolidated total leverage ratio. CCLP is also required to pay a customary letter of credit fee equal to the applicable margin on revolving credit LIBOR loans, fronting fees and other fees agreed to with the administrative agent and lenders.
The CCLP Credit Agreement requires CCLP to maintain (i) a minimum consolidated interest coverage ratio (ratio of consolidated earnings before interest, taxes, depreciation, and amortization (EBITDA) to consolidated interest charges) of 3.0 to 1.0, (ii) a maximum consolidated total leverage ratio (ratio of consolidated total indebtedness to consolidated EBITDA) of 5.5 to 1.0 (with step downs to 5.0 to 1.0), and (iii) a maximum consolidated secured leverage ratio (consolidated secured indebtedness to consolidated EBITDA) of 4.0 to 1.0, in each case, as of the last day of each fiscal quarter, calculated on a trailing four quarters basis. In addition, the CCLP Credit Agreement includes customary negative covenants that, among other things, limit CCLP's ability to incur additional debt, incur, or permit certain liens to exist, or make certain loans, investments, acquisitions, or other restricted payments. The CCLP Credit Agreement provides that CCLP can make distributions to holders of its common units, but only if there is no default or event of default under the facility. CCLP is in compliance with all covenants and conditions of the CCLP Credit Agreement as of June 30, 2015.
All obligations under the CCLP Credit Agreement and the guarantees of those obligations are secured, subject to certain exceptions, by a first lien security interest in substantially all of CCLP's assets and the assets of its existing and future domestic subsidiaries, and all of the capital stock of its existing and future subsidiaries (limited in the case of foreign subsidiaries, to 65% of the voting stock of first tier foreign subsidiaries).
CCLP 7.25% Senior Notes. In August 2014, CCLP, and CSI Compressco Finance Inc., a Delaware corporation and indirect wholly owned subsidiary of CCLP (CSI Compressco Finance and, together with CCLP, the "Issuers"), issued $350.0 million aggregate principal amount of the Issuers’ 7.25% Senior Notes due 2022 (the "CCLP Senior Notes") in a private offering (the "Offering") exempt from the registration requirements under the Securities Act of 1933, as amended (the "Securities Act") pursuant to a Note Purchase Agreement dated July 29, 2014. The CCLP Senior Notes were subsequently registered through a public exchange offer that closed on July 20, 2015.
The obligations under the CCLP Senior Notes are jointly and severally, and fully and unconditionally, guaranteed on a senior unsecured basis by each of CCLP’s domestic restricted subsidiaries (other than CSI Compressco Finance) that guarantee CCLP’s other indebtedness (the "Guarantors" and together with the Issuers, the "Obligors"). The CCLP Senior Notes and the subsidiary guarantees thereof (together, the "CCLP Securities") were issued pursuant to an indenture described below.
The Obligors issued the CCLP Securities pursuant to the Indenture dated as of August 4, 2014 (the "Indenture") by and among the Obligors and U.S. Bank National Association, as trustee (the "Trustee"). The CCLP Senior Notes accrue interest at a rate of 7.25% per annum. Interest on the CCLP Senior Notes is payable semi-annually in arrears on February 15 and August 15 of each year, beginning February 15, 2015. The CCLP Senior Notes are scheduled to mature on August 15, 2022.
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The Indenture contains customary covenants restricting CCLP’s ability and the ability of its restricted subsidiaries to: (i) pay dividends and make certain distributions, investments and other restricted payments; (ii) incur additional indebtedness or issue certain preferred shares; (iii) create certain liens; (iv) sell assets; (v) merge, consolidate, sell or otherwise dispose of all or substantially all of its assets; (vi) enter into transactions with affiliates; and (vii) designate its subsidiaries as unrestricted subsidiaries under the Indenture. The Indenture also contains customary events of default and acceleration provisions relating to such events of default, which provide that upon an event of default under the Indenture, the Trustee or the holders of at least 25% in aggregate principal amount of the CCLP Senior Notes then outstanding may declare all amounts owing under the CCLP Senior Notes to be due and payable. CCLP is in compliance with all covenants and conditions of the CCLP Senior Note Purchase Agreement as of June 30, 2015.
Other Sources and Uses
In addition to the aforementioned revolving credit facilities, we and CCLP fund our respective short-term liquidity requirements from cash generated by our respective operations, operating leases, and from short-term vendor financing. Should additional capital be required, we believe that we have the ability to raise such capital through the issuance of additional debt or equity. However, instability or volatility in the capital markets at the times we need to access capital may affect the cost of capital and the ability to raise capital for an indeterminable length of time. TETRA's Credit Agreement, as amended, matures in September 2019, the CCLP Credit Agreement matures in August 2019, TETRA's Senior Notes mature at various dates between April 2016 and December 2020, and the CCLP Senior Notes mature on August 15, 2022. The replacement of these capital sources at similar or more favorable terms is not certain. If it is necessary to issue equity to fund our capital needs, dilution to our common stockholders will occur.
Although near-term growth plans have been suspended and are subject to our efforts to conserve cash and rationalize our cost structure during the current period of low oil and natural gas prices, we maintain a long-term growth strategy for our core businesses. As part of our strategic growth plans, we will evaluate opportunities to acquire businesses and assets that may involve the payment of cash. Such acquisitions may be funded with existing cash balances, funds under credit facilities, or cash generated from the issuance of equity or debt securities. CCLP also continues to pursue its long-term growth objectives, with funding available under its credit facilities, other borrowings, cash generated from the issuance of its common units, as well as its available cash.
CCLP’s Partnership Agreement requires that within 45 days after the end of each quarter, it distribute all of its available cash, as defined in the Partnership Agreement, to its unitholders of record on the applicable record date. During the six months ended June 30, 2015, CCLP distributed approximately $33.7 million, including approximately $18.7 million to its public unitholders.
Off Balance Sheet Arrangements
As of June 30, 2015, we had no “off balance sheet arrangements” that may have a current or future material effect on our consolidated financial condition or results of operations.
Commitments and Contingencies
Litigation
We are named defendants in several lawsuits and respondents in certain governmental proceedings arising in the ordinary course of business. While the outcome of lawsuits or other proceedings against us cannot be predicted with certainty, management does not consider it reasonably possible that a loss resulting from such lawsuits or other proceedings in excess of any amounts accrued has been incurred that is expected to have a material adverse impact on our financial condition, results of operations, or liquidity.
Environmental
One of our subsidiaries, TETRA Micronutrients, Inc. ("TMI"), previously owned and operated a production facility located in Fairbury, Nebraska. TMI is subject to an Administrative Order on Consent issued to American Microtrace, Inc. (n/k/a/ TETRA Micronutrients, Inc.) in the proceeding styled In the Matter of American Microtrace Corporation, EPA I.D. No. NED00610550, Respondent, Docket No. VII-98-H-0016, dated September 25, 1998 (the
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Consent Order), with regard to the Fairbury facility. TMI is liable for future remediation costs and ongoing environmental monitoring at the Fairbury facility under the Consent Order; however, the current owner of the Fairbury facility is responsible for costs associated with the closure of that facility. While the outcome cannot be predicted with certainty, management does not consider it reasonably possible that a loss in excess of any amounts accrued has been incurred or is expected to have a material adverse impact on our financial condition, results of operations, or liquidity.
Other Contingencies
Related to its remaining oil and gas property decommissioning liabilities, our Maritech subsidiary estimates the third-party fair values (including an estimated profit) to plug and abandon wells, decommission the pipelines and platforms, and clear the sites, and uses these estimates to record Maritech’s decommissioning liabilities, net of amounts allocable to joint interest owners. Maritech has encountered situations where previously plugged and abandoned wells on its properties have later exhibited a build-up of pressure, which is evidenced by gas bubbles coming from the plugged well head. We refer to this situation as “wells under pressure” and this can either be discovered when performing additional work at the property or by notification from a third party. Wells under pressure require Maritech to return to the site to perform additional plug and abandonment procedures that were not originally anticipated and included in the estimate of the asset retirement obligation for such property. Remediation work at previously abandoned well sites is particularly costly, due to the lack of a platform from which to base these activities. Maritech is the last operator of record for its plugged wells, and bears the risk of additional future work required as a result of wells becoming pressurized in the future.
Contractual Obligations
The table below summarizes our consolidated contractual cash obligations as of June 30, 2015:

|  | Payments Due
|  | Total |  | 2015 |  | 2016 |  | 2017 |  | 2018 |  | 2019 |  | Thereafter
|  | (In Thousands)
Long-term debt |  | $ | 936,112 |  |  | $ | — |  |  | $ | 90,000 |  |  | $ | 115,000 |  |  | $ | — |  |  | $ | 325,900 |  |  | $ | 405,212 |
Interest on debt |  | 207,909 |  |  | 23,919 |  |  | 44,298 |  |  | 41,215 |  |  | 37,250 |  |  | 34,327 |  |  | 26,900 |
Purchase obligations |  | 141,672 |  |  | 7,610 |  |  | 11,203 |  |  | 11,203 |  |  | 9,328 |  |  | 9,328 |  |  | 93,000 |
Decommissioning and other asset retirement obligations(1) |  | 59,408 |  |  | 2,612 |  |  | 9,208 |  |  | 34,924 |  |  | 4,014 |  |  | — |  |  | 8,650 |
Operating and capital leases |  | 95,710 |  |  | 8,987 |  |  | 11,442 |  |  | 8,627 |  |  | 7,547 |  |  | 6,877 |  |  | 52,230 |
Total contractual cash obligations(2) |  | $ | 1,440,811 |  |  | $ | 43,128 |  |  | $ | 166,151 |  |  | $ | 210,969 |  |  | $ | 58,139 |  |  | $ | 376,432 |  |  | $ | 585,992 |

(1) | We have estimated the timing of these payments for decommissioning liabilities based upon our plans and the plans of outside operators, which are subject to many changing variables, including the estimated life of the producing oil and gas properties, which is affected by changing oil and gas commodity prices. The amounts shown represent the discounted obligation as of June 30, 2015.

(2) | Amounts exclude other long-term liabilities reflected in our Consolidated Balance Sheet that do not have known payment streams. These excluded amounts include approximately $4.1 million of liabilities under FASB Codification Topic 740, “Accounting for Uncertainty in Income Taxes,” as we are unable to reasonably estimate the ultimate amount or timing of settlements.

Our consolidated contractual obligations and commitments principally consists of obligations associated with our outstanding indebtedness, CCLP outstanding indebtedness, product purchase obligations, decommissioning and other asset retirement obligations, and obligations under operating and capital leases. On March 18, 2015, we entered into a Note Purchase Agreement (the "Note Purchase Agreement") with Wells Fargo Energy Capital, Inc., in its capacity as noteholder representative for the noteholders (the "Noteholder Representative"), and Wells Fargo Energy Capital, Inc., in its capacity as the sole initial purchaser. The Note Purchase Agreement relates to the issuance and sale of $50.0 million aggregate principal amount of Senior Secured Notes due April 1, 2017 (the "Senior Secured Notes").
For additional information about our contractual obligations as of December 31, 2014, see "Management's Discussion and Analysis of Financial Condition and Results of Operations" in our annual Report on Form 10-K for the year ended December 31, 2014.
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Cautionary Statement for Purposes of Forward-Looking Statements
This Quarterly Report on Form 10-Q contains “forward-looking statements” within the meaning of Section 27A of the Securities Act of 1933, as amended and Section 21E of the Securities Exchange Act of 1934, as amended. Forward-looking statements in this quarterly report are identifiable by the use of words and other similar words: “anticipates", "assumes", “believes,” "budgets", “could,” “estimates,” "expects", "forecasts", "goal", "intends", "may", "might", "plans", "predicts", "projects", "schedules", "seeks", "should", "targets", "will", and "would".
Such forward-looking statements reflect our current views with respect to future events and financial performance and are based on assumptions that we believe to be reasonable but such forward-looking statements
are subject to numerous risks, and uncertainties, including, but not limited to:

• | economic and operating conditions that are outside of our control, including the supply, demand, and prices of crude oil and natural gas;

• | the levels of competition we encounter;

• | the activity levels of our customers;

• | the availability of adequate sources of capital to us;

• | our ability to comply with contractual obligations, including those under our financing arrangements;

• | our operational performance;

• | risks related to acquisitions and our growth strategy;

• | the availability of raw materials and labor at reasonable prices;

• | risks related to our foreign operations;

• | the effect and results of litigation, regulatory matters, settlements, audits, assessments, and contingencies; and

• | other risks and uncertainties under “Item 1A. Risk Factors” in our Annual Report on Form 10-K for the year ended December 31, 2014, those set forth in Item 1A "Risk Factors" in Part II of this Quarterly Report on Form 10-Q, and as included in our other filings with the U.S. Securities and Exchange Commission (“SEC”), which are available free of charge on the SEC website at www.sec.gov.

The risks and uncertainties referred to above are generally beyond our ability to control and we cannot predict all the risks and uncertainties that could cause our actual results to differ from those indicated by the forward-looking statements. If any of these risks or uncertainties materialize, or if any of the underlying assumptions prove incorrect, actual results may vary from those indicated by the forward-looking statements, and such variances may be material.
All subsequent written and oral forward-looking statements made by or attributable to us or to persons acting on our behalf are expressly qualified in their entirety by reference to these risks and uncertainties. You should not place undue reliance on forward-looking statements. Each forward-looking statement speaks only as of the date of the particular statement, and we undertake no obligation to update or revise any forward-looking statements we may make, except as may be required by law.
Item 3. Quantitative and Qualitative Disclosures about Market Risk.
Market risk is the risk of loss arising from adverse changes in market rates and prices. For a discussion of our indirect exposure to fluctuating commodity prices, please read “Risk Factors — Certain Business Risks” in our Annual Report on Form 10-K filed with the SEC on March 2, 2015. We depend on U.S. and international demand for and production of oil and natural gas, and a reduction in this demand or production could adversely affect the demand or the prices we charge for our services, which could cause our revenues and operating cash flows to decrease in the future. We do not currently hedge, and do not intend to hedge, our indirect exposure to fluctuating commodity prices.
Interest Rate Risk
Through June 30, 2015, there have been no material changes pertaining to our interest risk rate exposures as disclosed in our Form 10-K for the year ended December 31, 2014.
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Exchange Rate Risk
As of June 30, 2015, there have been no material changes pertaining to our exchange rate exposures as disclosed in our Form 10-K for the year ended December 31, 2014.
Item 4. Controls and Procedures.
Under the supervision and with the participation of our management, including our Chief Executive Officer and Chief Financial Officer, we conducted an evaluation of our disclosure controls and procedures, as such term is defined under Rule 13a-15(e) promulgated under the Securities Exchange Act of 1934, as amended. Based on this evaluation, the Chief Executive Officer and Chief Financial Officer concluded that our disclosure controls and procedures were effective as of June 30, 2015, the end of the period covered by this quarterly report.
We are currently integrating CSI into our internal control over financial reporting processes. In executing this integration, we are analyzing, evaluating and, where necessary, making changes in controls and procedures related to the CSI business, which we expect to be completed in fiscal year 2015.
Other than the changes described above, there were no changes in our internal control over financial reporting that occurred during the fiscal quarter ended June 30, 2015, that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.
PART II
OTHER INFORMATION
Item 1. Legal Proceedings.
We are named defendants in several lawsuits and respondents in certain governmental proceedings arising in the ordinary course of business. While the outcome of lawsuits or other proceedings against us cannot be predicted with certainty, management does not consider it reasonably possible that a loss resulting from such lawsuits or other proceedings in excess of amounts accrued has been incurred that is expected to have a material adverse impact on our financial condition, results of operations, or liquidity.
Environmental Proceedings
One of our subsidiaries, TETRA Micronutrients, Inc. ("TMI"), previously owned and operated a production facility located in Fairbury, Nebraska. TMI is subject to an Administrative Order on Consent issued to American Microtrace, Inc. (n/k/a/ TETRA Micronutrients, Inc.) in the proceeding styled In the Matter of American Microtrace Corporation, EPA I.D. No. NED00610550, Respondent, Docket No. VII-98-H-0016, dated September 25, 1998 (the "Consent Order"), with regard to the Fairbury facility. TMI is liable for future remediation costs and ongoing environmental monitoring at the Fairbury facility under the Consent Order; however, the current owner of the Fairbury facility is responsible for costs associated with the closure of that facility. While the outcome cannot be predicted with certainty, management does not consider it reasonably possible that a loss in excess of any amounts accrued has been incurred or is expected to have a material adverse impact on our financial condition, results of operations, or liquidity.
Item 1A. Risk Factors.
There have been no material changes in the information pertaining to our Risk Factors as disclosed in our Form 10-K for the year ended December 31, 2014, except for the following:
We may have continuing exposure on abandonment and decommissioning obligations associated with oil and gas properties sold by Maritech.
During 2011, in connection with the sale of a significant majority of Maritech’s oil and gas producing properties, the buyers of the properties assumed associated decommissioning liabilities having a value at the time of sale of approximately $122.0 million pursuant to the purchase and sale agreements. For oil and gas properties for which Maritech was previously the operator, the buyer of the properties has now generally become the successor operator and has assumed the financial responsibilities associated with the properties’ operations.
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However, to the extent that purchasers of these oil and gas properties fail to perform the abandonment and decommissioning work required and there is insufficient bonding or other security, the previous owners and operators of the properties, including Maritech, may be required to perform the abandonment and decommissioning obligation. To the extent Maritech is required to perform a significant portion of the abandonment and decommissioning obligations associated with these previously owned oil and gas properties, our financial condition and results of operations may be negatively affected.
During the six months ended June 30, 2015, continued decreased oil and natural gas prices have resulted in reduced revenues and cash flows for oil and gas producing companies, including those companies who purchased Maritech properties in the past and assumed the associated decommissioning liabilities. Certain of these oil and gas producing companies who purchased Maritech properties are currently experiencing severe financial difficulties. A portion of the decommissioning liabilities that were assumed as part of the sales of Maritech properties remains unperformed and we believe the amount of these remaining liabilities are significant. We monitor the financial condition of these companies, and if current oil and natural gas pricing levels continue, one or more of these companies may be unable to perform the decommissioning work required on properties they acquired from Maritech. There can be no assurance that Maritech will not become legally responsible to perform decommissioning work on properties it previously sold, resulting in charges to our future earnings and increases to our future operating cash requirements.
We are exposed to significant credit risks.
We face credit risk associated with the significant amounts of accounts receivable we have with our customers in the energy industry. Many of our customers, particularly those associated with our onshore operations, are small- to medium-sized oil and gas operators that may be more susceptible to fluctuating oil and gas commodity prices or generally increased operating expenses than larger companies. Our ability to collect from our customers is impacted by the current decreased oil and natural gas price environment.
As the owner and operator of its oil and gas property interests, Maritech is liable for the proper abandonment and decommissioning of these properties. We have guaranteed a portion of the abandonment and decommissioning liabilities of Maritech. With respect to certain properties, Maritech is entitled to be paid in the future for all or a portion of these obligations by the previous owner of the property once the liability is satisfied. We and Maritech are subject to the risk that the previous owner(s) will be unable to make these future payments. In addition, for certain remaining Maritech properties to be decommissioned or abandoned, the co-owners of such properties are responsible for the payment of their portions of the associated operating expenses and abandonment liabilities. However, if one or more co-owners do not pay their portions, Maritech and any other nondefaulting co-owners may be liable for the defaulted amount. If any required payment is not made by a previous owner or a co-owner and any security is not sufficient to cover the required payment, we could suffer material losses.
During the six months ended June 30, 2015, continued decreased oil and natural gas prices have resulted in reduced revenues and cash flows for oil and gas producing companies, including companies that are joint-owners in Maritech oil and gas properties and decommissioning obligations currently owned or from whom Maritech is entitled to receive payments upon satisfaction of certain decommissioning obligations. Certain of these previous owners of Maritech properties who are obligated to pay Maritech in the future are currently experiencing severe financial difficulties. We are monitoring the financial condition of these companies, and if current oil and natural gas pricing levels continue, one or more of these companies may be unable to fund their portion of the decommissioning work or repay Maritech for contractual amounts owed. Although certain of these decommissioning obligations may not be performed for many years, there can be no assurance that the current oil and gas price environment will not result in charges to our future earnings and increases to our future operating cash requirements.
Item 2. Unregistered Sales of Equity Securities and Use of Proceeds.
(a) None.
(b) None.
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(c) Purchases of Equity Securities by the Issuer and Affiliated Purchasers.

Period |  | Total Number of Shares Purchased |  | Average Price Paid per Share | Total Number of Shares Purchased as Part of Publicly Announced Plans or Programs(1) |  | Maximum Number (or Approximate Dollar Value) of Shares that May Yet be Purchased Under the Publicly Announced Plans or Programs(1)
April 1 – April 30, 2015 |  | 1,088 |  | (2) | $ | 6.11 |  | — |  |  | $ | 14,327,000 |
May 1 – May 31, 2015 |  | 34,551 |  | (2) | 6.48 |  | — |  |  | 14,327,000 |
June 1 – June 30, 2015 |  | 1,269 |  | (2) | 7.14 |  | — |  |  | 14,327,000 |
Total |  | 36,908 |  |  |  |  | — |  |  | $ | 14,327,000 |

(1) | In January 2004, our Board of Directors authorized the repurchase of up to $20 million of our common stock. Purchases will be made from time to time in open market transactions at prevailing market prices. The repurchase program may continue until the authorized limit is reached, at which time the Board of Directors may review the option of increasing the authorized limit.

(2) | Shares we received in connection with the exercise of certain employee stock options or the vesting of certain shares of employee restricted stock. These shares were not acquired pursuant to the stock repurchase program.

Item 3. Defaults Upon Senior Securities.
None.
Item 4. Mine Safety Disclosures.
None.
Item 5. Other Information.
None.
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Item 6. Exhibits.
Exhibits:

4.1 | Senior Secured Note due April 1, 2017 (incorporated by reference to Exhibit 4.1 to the Company's Form 8-K filed on May 6, 2015 (SEC File No. 001-13455)).
4.2 | Subsidiary Guaranty dated April 30, 2015, executed by Compressco Field Services, L.L.C., Epic Diving & Marine Services, LLC, TETRA International Incorporated, TETRA Production Testing Services, LLC and TETRA Applied Technologies, LLC, in favor of Wells Fargo Energy Capital, Inc., in its capacity as noteholder representative for the benefit of the noteholders (incorporated by reference to Exhibit 4.2 to the Company's Form 8-K filed on May 6, 2015 (SEC File No. 001-13455)).
10.1 | Pledge and Security Agreement, dated as of April 30, 2015, by and among TETRA Technologies, Inc., Compressco Field Services, L.L.C., Epic Diving & Marine Services, LLC, TETRA International Incorporated, TETRA Production Testing Services, LLC, CSI Compressco GP Inc., TETRA Applied Technologies, LLC and CSI Compressco Investment LLC, as the grantors, and Wells Fargo Energy Capital, Inc., in its capacity as noteholder representative and collateral agent (incorporated by reference to Exhibit 10.1 to the Company's Form 8-K filed on May 6, 2015 (SEC File No. 001-13455)).
10.2 | Registration Rights Agreement, dated as of April 30, 2015, by and among CSI Compressco LP, TETRA Technologies, Inc., and Wells Fargo Energy Capital, Inc., in its capacity as noteholder representative (incorporated by reference to Exhibit 10.2 to the Company's Form 8-K filed on May 6, 2015 (SEC File No. 001-13455)).
10.3 | TETRA Technologies, Inc. Amended and Restated 2007 Long Term Incentive Compensation Plan, as amended through February 20, 2015.
10.4 | TETRA Technologies, Inc. Second Amended and Restated 2011 Long Term Incentive Compensation Plan, as amended through February 20, 2015.
31.1* | Certification Pursuant to Rule 13a-14(a) or 15d-14(a) of the Exchange Act, As Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
31.2* | Certification Pursuant to Rule 13a-14(a) or 15d-14(a) of the Exchange Act, As Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
32.1** | Certification Furnished Pursuant to 18 U.S.C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
32.2** | Certification Furnished Pursuant to 18 U.S.C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
101.INS+ | XBRL Instance Document.
101.SCH+ | XBRL Taxonomy Extension Schema Document.
101.CAL+ | XBRL Taxonomy Extension Calculation Linkbase Document.
101.LAB+ | XBRL Taxonomy Extension Label Linkbase Document.
101.PRE+ | XBRL Taxonomy Extension Presentation Linkbase Document.
101.DEF+ | XBRL Taxonomy Extension Definition Linkbase Document.

* | Filed with this report.

** | Furnished with this report.

+ | Attached as Exhibit 101 to this report are the following documents formatted in XBRL (Extensible Business Reporting Language): (i) Consolidated Statements of Operations for the three and six month periods ended June 30, 2015 and 2014; (ii) Consolidated Statements of Comprehensive Income for the three and six month periods ended June 30, 2015 and 2014; (iii) Consolidated Balance Sheets as of June 30, 2015 and December 31, 2014; (iv) Consolidated Statements of Cash Flows for the six month periods ended June 30, 2015 and 2014; and (v) Notes to Consolidated Financial Statements for the six months ended June 30, 2015.

A statement of computation of per share earnings is included in Note A of the Notes to Consolidated Financial Statements included in this report and is incorporated by reference into Part II of this report.
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SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

|  | TETRA Technologies, Inc.
Date: | August 10, 2015 | By: | /s/Stuart M. Brightman
|  |  | Stuart M. Brightman
|  |  | President
|  |  | Chief Executive Officer
Date: | August 10, 2015 | By: | /s/Elijio V. Serrano
|  |  | Elijio V. Serrano
|  |  | Senior Vice President
|  |  | Chief Financial Officer
Date: | August 10, 2015 | By: | /s/Ben C. Chambers
|  |  | Ben C. Chambers
|  |  | Vice President – Accounting
|  |  | Principal Accounting Officer

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EXHIBIT INDEX

4.1 | Senior Secured Note due April 1, 2017 (incorporated by reference to Exhibit 4.1 to the Company's Form 8-K filed on May 6, 2015 (SEC File No. 001-13455)).
4.2 | Subsidiary Guaranty dated April 30, 2015, executed by Compressco Field Services, L.L.C., Epic Diving & Marine Services, LLC, TETRA International Incorporated, TETRA Production Testing Services, LLC and TETRA Applied Technologies, LLC, in favor of Wells Fargo Energy Capital, Inc., in its capacity as noteholder representative for the benefit of the noteholders (incorporated by reference to Exhibit 4.2 to the Company's Form 8-K filed on May 6, 2015 (SEC File No. 001-13455)).
10.1 | Pledge and Security Agreement, dated as of April 30, 2015, by and among TETRA Technologies, Inc., Compressco Field Services, L.L.C., Epic Diving & Marine Services, LLC, TETRA International Incorporated, TETRA Production Testing Services, LLC, CSI Compressco GP Inc., TETRA Applied Technologies, LLC and CSI Compressco Investment LLC, as the grantors, and Wells Fargo Energy Capital, Inc., in its capacity as noteholder representative and collateral agent (incorporated by reference to Exhibit 10.1 to the Company's Form 8-K filed on May 6, 2015 (SEC File No. 001-13455)).
10.2 | Registration Rights Agreement, dated as of April 30, 2015, by and among CSI Compressco LP, TETRA Technologies, Inc., and Wells Fargo Energy Capital, Inc., in its capacity as noteholder representative (incorporated by reference to Exhibit 10.2 to the Company's Form 8-K filed on May 6, 2015 (SEC File No. 001-13455)).
10.3 | TETRA Technologies, Inc. Amended and Restated 2007 Long Term Incentive Compensation Plan, as amended through February 20, 2015.
10.4 | TETRA Technologies, Inc. Second Amended and Restated 2011 Long Term Incentive Compensation Plan, as amended through February 20, 2015.
31.1* | Certification Pursuant to Rule 13a-14(a) or 15d-14(a) of the Exchange Act, As Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
31.2* | Certification Pursuant to Rule 13a-14(a) or 15d-14(a) of the Exchange Act, As Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
32.1** | Certification Furnished Pursuant to 18 U.S.C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
32.2** | Certification Furnished Pursuant to 18 U.S.C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
101.INS+ | XBRL Instance Document.
101.SCH+ | XBRL Taxonomy Extension Schema Document.
101.CAL+ | XBRL Taxonomy Extension Calculation Linkbase Document.
101.LAB+ | XBRL Taxonomy Extension Label Linkbase Document.
101.PRE+ | XBRL Taxonomy Extension Presentation Linkbase Document.
101.DEF+ | XBRL Taxonomy Extension Definition Linkbase Document.

* | Filed with this report.

** | Furnished with this report.

+ | Attached as Exhibit 101 to this report are the following documents formatted in XBRL (Extensible Business Reporting Language): (i) Consolidated Statements of Operations for the three and six month periods ended June 30, 2015 and 2014; (ii) Consolidated Statements of Comprehensive Income for the three and six month periods ended June 30, 2015 and 2014; (iii) Consolidated Balance Sheets as of June 30, 2015 and December 31, 2014; (iv) Consolidated Statements of Cash Flows for the six month periods ended June 30, 2015 and 2014; and (v) Notes to Consolidated Financial Statements for the six months ended June 30, 2015.

48