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Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified | 6 Months Ended
--- | ---
Jun. 30, 2014 | Jun. 30, 2013
Operating activities: |  |
Net income (loss) | $ (7,640) | $ (408)
Reconciliation of net income (loss) to cash provided by (used in) operating activities: |  |
Depreciation, amortization, and accretion | 45,047 | 39,747
Provision (benefit) for deferred income taxes | (12,932) | (4,768)
Equity-based compensation expense | 3,273 | 3,624
Provision for doubtful accounts | (10) | 333
Gain on sale of assets | (239) | (13)
Excess decommissioning/abandoning costs | 18,965 | 32,877
Other non-cash charges and credits | (3,272) | (5,262)
Changes in operating assets and liabilities, net of assets acquired: |  |
Accounts receivable | 10,198 | 19,716
Inventories | 8,979 | 9,248
Prepaid expenses and other current assets | 3,820 | 14,690
Trade accounts payable and accrued expenses | 6,536 | (8,952)
Decommissioning liabilities, net | (29,766) | (70,788)
Other | (2,339) | 317
Net cash provided by (used in) operating activities | 40,620 | 30,361
Investing activities: |  |
Purchases of property, plant, and equipment | (52,240) | (51,535)
Acquisition of businesses, net | (18,337) | 0
Proceeds on sale of property, plant, and equipment | 4,250 | 837
Other investing activities | (935) | 258
Net cash provided by (used in) investing activities | (67,262) | (50,440)
Financing activities: |  |
Proceeds from long-term debt | 76,450 | 65,445
Payments of long-term debt | (47,626) | (85,928)
Compressco Partners' distributions | (2,508) | (2,393)
Proceeds from exercise of stock options | 391 | 757
Excess tax benefit from equity compensation | 0 | 0
Other financing activities | (369) | (307)
Net cash provided by (used in) financing activities | 26,338 | (22,426)
Effect of exchange rate changes on cash | (881) | (1,031)
Increase (decrease) in cash and cash equivalents | (1,185) | (43,536)
Cash and cash equivalents at beginning of period | 38,754 | 74,048
Cash and cash equivalents at end of period | 37,569 | 30,512
Supplemental cash flow information: |  |
Interest paid | 8,916 | 9,616
Income taxes paid | $ 6,972 | $ 4,217

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