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EQUITY INVESMENTS (Tables) | 9 Months Ended
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Sep. 30, 2018
Equity Method Investments and Joint Ventures [Abstract] |
Schedule of equity method investments | Investments accounted for by the equity method consist of the following as of September 30, 2018 and December 31, 2017:
|  |  | Carrying value |  | (Income) loss from equity method investments
| Approximate ownership % |  | September 30, 2018 |  | December 31, 2017 |  | Three months ended September 30, |  | Nine months ended September 30,
|  |  |  | 2018 |  | 2017 |  | 2018 |  | 2017
|  |  | (In thousands)
Investment in Tatex Thailand II, LLC | 23.5 | % |  | $ | — |  |  | $ | — |  |  | $ | (137 | ) |  | $ | (95 | ) |  | $ | (241 | ) |  | $ | (549 | )
Investment in Grizzly Oil Sands ULC | 24.9999 | % |  | 53,381 |  |  | 57,641 |  |  | 275 |  |  | 296 |  |  | 833 |  |  | 869 |
Investment in Timber Wolf Terminals LLC | 50.0 | % |  | — |  |  | 983 |  |  | — |  |  | 4 |  |  | 536 |  |  | 8 |
Investment in Windsor Midstream LLC | 22.5 | % |  | 39 |  |  | 30 |  |  | — |  |  | (2 | ) |  | (9 | ) |  | 25,232 |
Investment in Stingray Cementing LLC(1) | — | % |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 205 |
Investment in Stingray Energy Services LLC(1) | — | % |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 282 |
Investment in Sturgeon Acquisitions LLC(1) | — | % |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | (71 | )
Investment in Mammoth Energy Services, Inc.(1) | 22.0 | % |  | 179,109 |  |  | 165,715 |  |  | (12,996 | ) |  | 2,407 |  |  | (35,708 | ) |  | 4,907 |
Investment in Strike Force Midstream LLC(2) | — | % |  | — |  |  | 77,743 |  |  | — |  |  | 127 |  |  | (693 | ) |  | 2,585 |
|  |  | $ | 232,529 |  |  | $ | 302,112 |  |  | $ | (12,858 | ) |  | $ | 2,737 |  |  | $ | (35,282 | ) |  | $ | 33,468 |
(1) | On June 5, 2017, Mammoth Energy Services, Inc. ("Mammoth Energy") acquired Stingray Cementing LLC, Stingray Energy Services LLC and Sturgeon Acquisitions LLC. See below under Mammoth Energy Partners LP/Mammoth Energy Services, Inc. for information regarding these transactions.
(2) | On May 1, 2018, the Company sold its 25% interest in Strike Force Midstream to EQT Midstream Partners, LP. See below under under Strike Force Midstream LLC for information regarding this transaction.
Summary of equity investments - balance sheet | The tables below summarize financial information for the Company’s equity investments as of September 30, 2018 and December 31, 2017. Summarized balance sheet information:
| September 30, 2018 |  | December 31, 2017
| (In thousands)
Current assets | $ | 481,394 |  |  | $ | 415,032 |
Noncurrent assets | $ | 1,336,604 |  |  | $ | 1,542,090 |
Current liabilities | $ | 358,177 |  |  | $ | 261,086 |
Noncurrent liabilities | $ | 48,328 |  |  | $ | 148,839 |
Summary of equity investments - income statement | Summarized results of operations:
| Three months ended September 30, |  | Nine months ended September 30,
| 2018 |  | 2017 |  | 2018 |  | 2017
| (In thousands)
Gross revenue | $ | 384,043 |  |  | $ | 160,950 |  |  | $ | 1,451,580 |  |  | $ | 357,901 |
Net income (loss) | $ | 68,414 |  |  | $ | 2,101 |  |  | $ | 181,884 |  |  | $ | (109,651 | )

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- Definition Tabular disclosure of equity method investments including, but not limited to, name of each investee or group of investments, percentage ownership, difference between recorded amount of an investment and the value of the underlying equity in the net assets, and summarized financial information. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571 + Details
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