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Business Segments | 12 Months Ended
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Dec. 31, 2017
Segment Reporting [Abstract] |
Business Segments | 14. Business Segments At December 31, 2017, the Company had three business segments: (i) contract drilling of oil and natural gas wells, (ii) pressure pumping services and (iii) directional drilling services. Each of these segments represents a distinct type of business. These segments have separate management teams which report to the Company’s chief operating decision maker. The results of operations in these segments are regularly reviewed by the chief operating decision maker for purposes of determining resource allocation and assessing performance. Contract Drilling — The Company markets its contract drilling services to major and independent oil and natural gas operators. As of December 31, 2017, the Company had 295 marketed land-based drilling rigs in the continental United States and western Canada. For the years ended December 31, 2017, 2016 and, 2015, contract drilling revenue earned in Canada was $13.7 million, $15.6 million and $37.5 million, respectively. Additionally, long-lived assets within the contract drilling segment located in Canada totaled $52.0 million and $44.0 million as of December 31, 2017 and 2016, respectively. Pressure Pumping — The Company provides pressure pumping services to oil and natural gas operators primarily in Texas and the Mid-Continent and Appalachian regions. Pressure pumping services are primarily well stimulation services (such as hydraulic fracturing) and cementing services for the completion of new wells and remedial work on existing wells. Well stimulation involves processes inside a well designed to enhance the flow of oil, natural gas, or other desired substances from the well. Cementing is the process of inserting material between the wall of the well bore and the casing to support and stabilize the casing. Directional Drilling — The Company provides a comprehensive suite of directional drilling services in most major producing onshore oil and gas basins in the United States. Major Customer — During 2017, no single customer accounted for more than 10% of the Company’s consolidated operating revenues. During 2016, one customer accounted for approximately $124 million or 14% of the Company’s consolidated operating revenues. During 2015, one customer accounted for approximately $244 million or 13% of the Company’s consolidated operating revenues. These revenues in 2015 and 2016 were earned in both the Company’s contract drilling and pressure pumping businesses. The following tables summarize selected financial information relating to the Company’s business segments (in thousands):
|  | Year Ended December 31, |
|  | 2017 |  |  | 2016 |  |  | 2015 |
Revenues: |  |  |  |  |  |  |  |  |  |  |  |
Contract drilling |  | $ | 1,041,492 |  |  | $ | 544,196 |  |  | $ | 1,155,565 |
Pressure pumping |  |  | 1,200,311 |  |  |  | 354,070 |  |  |  | 712,454 |
Directional drilling |  |  | 45,580 |  |  |  | — |  |  |  | — |
Other operations(a) |  |  | 76,781 |  |  |  | 18,299 |  |  |  | 24,931 |
Elimination of intercompany revenues(b) |  |  | (7,480 | ) |  |  | (699 | ) |  |  | (1,673 | )
Total revenues |  | $ | 2,356,684 |  |  | $ | 915,866 |  |  | $ | 1,891,277 |
Income (loss) before income taxes: |  |  |  |  |  |  |  |  |  |  |  |
Contract drilling |  | $ | (171,897 | ) |  | $ | (235,858 | ) |  | $ | (78,970 | )
Pressure pumping |  |  | 21,028 |  |  |  | (176,628 | ) |  |  | (254,998 | )
Directional drilling |  |  | (21 | ) |  |  | — |  |  |  | — |
Other operations |  |  | (20,813 | ) |  |  | (3,391 | ) |  |  | (14,269 | )
Corporate |  |  | (152,792 | ) |  |  | (54,672 | ) |  |  | (57,088 | )
Other operating income (expense), net (c) |  |  | 31,957 |  |  |  | 14,323 |  |  |  | (1,647 | )
Interest income |  |  | 1,866 |  |  |  | 327 |  |  |  | 964 |
Interest expense |  |  | (37,472 | ) |  |  | (40,366 | ) |  |  | (36,475 | )
Other |  |  | 343 |  |  |  | 69 |  |  |  | 34 |
Loss before income taxes |  | $ | (327,801 | ) |  | $ | (496,196 | ) |  | $ | (442,449 | )
Identifiable assets: |  |  |  |  |  |  |  |  |  |  |  |
Contract drilling |  | $ | 3,931,994 |  |  | $ | 3,032,819 |  |  | $ | 3,457,044 |
Pressure pumping |  |  | 1,209,424 |  |  |  | 653,630 |  |  |  | 813,704 |
Directional drilling |  |  | 301,275 |  |  |  | — |  |  |  | — |
Other operations |  |  | 172,094 |  |  |  | 48,885 |  |  |  | 38,726 |
Corporate(d) |  |  | 144,069 |  |  |  | 36,957 |  |  |  | 155,574 |
Total assets |  | $ | 5,758,856 |  |  | $ | 3,772,291 |  |  | $ | 4,465,048 |
Depreciation, depletion, amortization and impairment: |  |  |  |  |  |  |  |  |  |  |  |
Contract drilling |  | $ | 538,891 |  |  | $ | 467,974 |  |  | $ | 618,434 |
Pressure pumping |  |  | 198,006 |  |  |  | 184,872 |  |  |  | 214,552 |
Directional drilling |  |  | 9,347 |  |  |  | — |  |  |  | — |
Other operations |  |  | 29,402 |  |  |  | 10,114 |  |  |  | 26,301 |
Corporate |  |  | 7,695 |  |  |  | 5,474 |  |  |  | 5,472 |
Total depreciation, depletion, amortization and impairment |  | $ | 783,341 |  |  | $ | 668,434 |  |  | $ | 864,759 |
Capital expenditures: |  |  |  |  |  |  |  |  |  |  |  |
Contract drilling |  | $ | 354,425 |  |  | $ | 72,508 |  |  | $ | 527,054 |
Pressure pumping |  |  | 171,436 |  |  |  | 39,584 |  |  |  | 197,577 |
Directional drilling |  |  | 7,795 |  |  |  | — |  |  |  | — |
Other operations |  |  | 31,547 |  |  |  | 6,116 |  |  |  | 16,625 |
Corporate |  |  | 1,884 |  |  |  | 1,591 |  |  |  | 2,520 |
Total capital expenditures |  | $ | 567,087 |  |  | $ | 119,799 |  |  | $ | 743,776 |
(a) | Other operations includes the Company’s oilfield rental tools business, pipe handling components and related technology business, the oil and natural gas working interests and the Middle East/North Africa activities.
(b) | In 2017, intercompany revenues consists of contract drilling and revenues from other operations for services provided to contract drilling, pressure pumping and within other operations. In 2016, intercompany revenues consists of contract drilling and revenues within other operations. In 2015, intercompany revenues only consisted of contract drilling.
(c) | Other operating income (expense), net includes net gains or losses associated with the disposal of assets relate to corporate strategy decisions of the executive management group. Accordingly, the related gains or losses have been separately presented and excluded from the results of specific segments. This caption also includes expenses related to certain legal settlements net of insurance reimbursements.
(d) | Corporate assets primarily include cash on hand, income tax receivables, certain property and equipment, and certain deferred tax assets.

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- Definition The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -URI http://asc.fasb.org/topic&trid=2134510 + Details
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