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Condensed Consolidating Financial Information (Tables) | 9 Months Ended
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Sep. 30, 2017
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Condensed Consolidating Balance Sheet | Condensed Consolidating Balance Sheet
| September 30, 2017
| Parent/ Issuer |  | Combined Guarantor Subsidiaries |  | Non-Guarantor Subsidiaries |  | Intercompany Eliminations |  | Consolidated
| (In thousands)
ASSETS |  |  |  |  |  |  |  |  |
Current assets |  |  |  |  |  |  |  |  |
Cash and cash equivalents | $ | 178 |  |  | $ | 8,310 |  |  | $ | — |  |  | $ | — |  |  | $ | 8,488 |
Accounts receivable, net | — |  |  | 285,325 |  |  | 58 |  |  | — |  |  | 285,383 |
Accounts receivable - affiliates | 136,004 |  |  | 34,226 |  |  | 5,611 |  |  | (175,841 | ) |  | — |
Inventory | — |  |  | 17,169 |  |  | — |  |  | — |  |  | 17,169 |
Prepaid expenses | 465 |  |  | 10,153 |  |  | 29 |  |  | — |  |  | 10,647 |
Derivative instruments | — |  |  | 692 |  |  | — |  |  | — |  |  | 692 |
Other current assets | — |  |  | 65 |  |  | — |  |  | — |  |  | 65 |
Total current assets | 136,647 |  |  | 355,940 |  |  | 5,698 |  |  | (175,841 | ) |  | 322,444 |
Property, plant and equipment |  |  |  |  |  |  |  |  |  |  |  |  |
Oil and gas properties (successful efforts method) | — |  |  | 7,640,785 |  |  | — |  |  | — |  |  | 7,640,785 |
Other property and equipment | — |  |  | 261,444 |  |  | 522,098 |  |  | — |  |  | 783,542 |
Less: accumulated depreciation, depletion, amortization and impairment | — |  |  | (2,358,848 | ) |  | (29,861 | ) |  | — |  |  | (2,388,709 | )
Total property, plant and equipment, net | — |  |  | 5,543,381 |  |  | 492,237 |  |  | — |  |  | 6,035,618 |
Investments in and advances to subsidiaries | 4,535,693 |  |  | 376,528 |  |  | — |  |  | (4,912,221 | ) |  | — |
Derivative instruments | — |  |  | 703 |  |  | — |  |  | — |  |  | 703 |
Deferred income taxes | 269,704 |  |  | — |  |  | — |  |  | (269,704 | ) |  | — |
Long-term inventory | — |  |  | 10,885 |  |  | — |  |  | — |  |  | 10,885 |
Other assets | — |  |  | 19,614 |  |  | 1,948 |  |  | — |  |  | 21,562 |
Total assets | $ | 4,942,044 |  |  | $ | 6,307,051 |  |  | $ | 499,883 |  |  | $ | (5,357,766 | ) |  | $ | 6,391,212 |
LIABILITIES AND STOCKHOLDERS’ EQUITY |  |  |  |  |  |  |  |  |
Current liabilities |  |  |  |  |  |  |  |  |
Accounts payable | $ | — |  |  | $ | 16,348 |  |  | $ | — |  |  | $ | — |  |  | $ | 16,348 |
Accounts payable - affiliates | 33,885 |  |  | 141,615 |  |  | 341 |  |  | (175,841 | ) |  | — |
Revenues and production taxes payable | — |  |  | 169,361 |  |  | — |  |  | — |  |  | 169,361 |
Accrued liabilities | (8 | ) |  | 188,375 |  |  | 5,790 |  |  | — |  |  | 194,157 |
Accrued interest payable | 19,872 |  |  | 449 |  |  | 4 |  |  | — |  |  | 20,325 |
Derivative instruments | — |  |  | 16,412 |  |  | — |  |  | — |  |  | 16,412 |
Advances from joint interest partners | — |  |  | 5,095 |  |  | — |  |  | — |  |  | 5,095 |
Total current liabilities | 53,749 |  |  | 537,655 |  |  | 6,135 |  |  | (175,841 | ) |  | 421,698 |
Long-term debt | 1,945,613 |  |  | 395,000 |  |  | — |  |  | — |  |  | 2,340,613 |
Deferred income taxes | — |  |  | 778,039 |  |  | — |  |  | (269,704 | ) |  | 508,335 |
Asset retirement obligations | — |  |  | 51,156 |  |  | 1,257 |  |  | — |  |  | 52,413 |
Derivative instruments | — |  |  | 3,703 |  |  | — |  |  | — |  |  | 3,703 |
Other liabilities | — |  |  | 5,805 |  |  | — |  |  | — |  |  | 5,805 |
Total liabilities | 1,999,362 |  |  | 1,771,358 |  |  | 7,392 |  |  | (445,545 | ) |  | 3,332,567 |
Stockholders’ equity |  |  |  |  |  |  |  |  |
Capital contributions from affiliates | — |  |  | 3,282,946 |  |  | 261,312 |  |  | (3,544,258 | ) |  | — |
Common stock, $0.01 par value: 450,000,000 shares authorized; 238,639,488 shares issued and 237,312,881 shares outstanding | 2,348 |  |  | — |  |  | — |  |  | — |  |  | 2,348 |
Treasury stock, at cost: 1,326,607 shares | (22,132 | ) |  | — |  |  | — |  |  | — |  |  | (22,132 | )
Additional paid-in-capital | 2,369,098 |  |  | 8,849 |  |  | — |  |  | (8,849 | ) |  | 2,369,098 |
Retained earnings | 593,368 |  |  | 1,127,935 |  |  | — |  |  | (1,127,935 | ) |  | 593,368 |
Oasis share of stockholders’ equity | 2,942,682 |  |  | 4,419,730 |  |  | 261,312 |  |  | (4,681,042 | ) |  | 2,942,682 |
Non-controlling interests | — |  |  | 115,963 |  |  | 231,179 |  |  | (231,179 | ) |  | 115,963 |
Total stockholders’ equity | 2,942,682 |  |  | 4,535,693 |  |  | 492,491 |  |  | (4,912,221 | ) |  | 3,058,645 |
Total liabilities and stockholders’ equity | $ | 4,942,044 |  |  | $ | 6,307,051 |  |  | $ | 499,883 |  |  | $ | (5,357,766 | ) |  | $ | 6,391,212 |
Condensed Consolidating Balance Sheet
| December 31, 2016
| Parent/ Issuer |  | Combined Guarantor Subsidiaries |  | Intercompany Eliminations |  | Consolidated
| (In thousands)
ASSETS |  |  |  |  |  |  |
Current assets |  |  |  |  |  |  |
Cash and cash equivalents | $ | 166 |  |  | $ | 11,060 |  |  | $ | — |  |  | $ | 11,226 |
Accounts receivable, net | — |  |  | 204,335 |  |  | — |  |  | 204,335 |
Accounts receivable - affiliates | 252,000 |  |  | 27,619 |  |  | (279,619 | ) |  | — |
Inventory | — |  |  | 10,648 |  |  | — |  |  | 10,648 |
Prepaid expenses | 275 |  |  | 7,348 |  |  | — |  |  | 7,623 |
Derivative instruments | — |  |  | 362 |  |  | — |  |  | 362 |
Other current assets | — |  |  | 4,355 |  |  | — |  |  | 4,355 |
Total current assets | 252,441 |  |  | 265,727 |  |  | (279,619 | ) |  | 238,549 |
Property, plant and equipment |  |  |  |  |  |  |  |  |  |  |
Oil and gas properties (successful efforts method) | — |  |  | 7,296,568 |  |  | — |  |  | 7,296,568 |
Other property and equipment | — |  |  | 618,790 |  |  | — |  |  | 618,790 |
Less: accumulated depreciation, depletion, amortization and impairment | — |  |  | (1,995,791 | ) |  | — |  |  | (1,995,791 | )
Total property, plant and equipment, net | — |  |  | 5,919,567 |  |  | — |  |  | 5,919,567 |
Investments in and advances to subsidiaries | 4,451,192 |  |  | — |  |  | (4,451,192 | ) |  | — |
Deferred income taxes | 220,058 |  |  | — |  |  | (220,058 | ) |  | — |
Other assets | — |  |  | 20,516 |  |  | — |  |  | 20,516 |
Total assets | $ | 4,923,691 |  |  | $ | 6,205,810 |  |  | $ | (4,950,869 | ) |  | $ | 6,178,632 |
LIABILITIES AND STOCKHOLDERS’ EQUITY |  |  |  |  |  |  |
Current liabilities |  |  |  |  |  |  |
Accounts payable | $ | — |  |  | $ | 4,645 |  |  | $ | — |  |  | $ | 4,645 |
Accounts payable - affiliates | 27,619 |  |  | 252,000 |  |  | (279,619 | ) |  | — |
Revenues and production taxes payable | — |  |  | 139,737 |  |  | — |  |  | 139,737 |
Accrued liabilities | 12 |  |  | 119,161 |  |  | — |  |  | 119,173 |
Accrued interest payable | 38,689 |  |  | 315 |  |  | — |  |  | 39,004 |
Derivative instruments | — |  |  | 60,469 |  |  | — |  |  | 60,469 |
Advances from joint interest partners | — |  |  | 7,597 |  |  | — |  |  | 7,597 |
Other current liabilities | — |  |  | 10,490 |  |  | — |  |  | 10,490 |
Total current liabilities | 66,320 |  |  | 594,414 |  |  | (279,619 | ) |  | 381,115 |
Long-term debt | 1,934,214 |  |  | 363,000 |  |  | — |  |  | 2,297,214 |
Deferred income taxes | — |  |  | 733,587 |  |  | (220,058 | ) |  | 513,529 |
Asset retirement obligations | — |  |  | 48,985 |  |  | — |  |  | 48,985 |
Derivative instruments | — |  |  | 11,714 |  |  | — |  |  | 11,714 |
Other liabilities | — |  |  | 2,918 |  |  | — |  |  | 2,918 |
Total liabilities | 2,000,534 |  |  | 1,754,618 |  |  | (499,677 | ) |  | 3,255,475 |
Stockholders’ equity |  |  |  |  |  |  |
Capital contributions from affiliates | — |  |  | 3,388,893 |  |  | (3,388,893 | ) |  | — |
Common stock, $0.01 par value: 450,000,000 shares authorized; 237,201,064 shares issued and 236,344,172 shares outstanding | 2,331 |  |  | — |  |  | — |  |  | 2,331 |
Treasury stock, at cost: 856,892 shares | (15,950 | ) |  | — |  |  | — |  |  | (15,950 | )
Additional paid-in-capital | 2,345,271 |  |  | 8,743 |  |  | (8,743 | ) |  | 2,345,271 |
Retained earnings | 591,505 |  |  | 1,053,556 |  |  | (1,053,556 | ) |  | 591,505 |
Total stockholders’ equity | 2,923,157 |  |  | 4,451,192 |  |  | (4,451,192 | ) |  | 2,923,157 |
Total liabilities and stockholders’ equity | $ | 4,923,691 |  |  | $ | 6,205,810 |  |  | $ | (4,950,869 | ) |  | $ | 6,178,632 |
Condensed Consolidating Statement of Operations | Condensed Consolidating Statement of Operations
| Three Months Ended September 30, 2017
| Parent/ Issuer |  | Combined Guarantor Subsidiaries |  | Combined Non-Guarantor Subsidiaries |  | Intercompany Eliminations |  | Consolidated
| (In thousands)
Revenues |  |  |  |  |  |  |  |  |
Oil and gas revenues | $ | — |  |  | $ | 248,648 |  |  | $ | — |  |  | $ | — |  |  | $ | 248,648 |
Bulk oil sales | — |  |  | 21,195 |  |  | — |  |  | — |  |  | 21,195 |
Midstream revenues | — |  |  | 15,828 |  |  | 2,939 |  |  | — |  |  | 18,767 |
Well services revenues | — |  |  | 16,138 |  |  | — |  |  | — |  |  | 16,138 |
Total revenues | — |  |  | 301,809 |  |  | 2,939 |  |  | — |  |  | 304,748 |
Operating expenses |  |  |  |  |  |  |  |  |
Lease operating expenses | — |  |  | 45,334 |  |  | — |  |  | — |  |  | 45,334 |
Midstream operating expenses | — |  |  | 3,621 |  |  | 680 |  |  | — |  |  | 4,301 |
Well services operating expenses | — |  |  | 9,125 |  |  | — |  |  | — |  |  | 9,125 |
Marketing, transportation and gathering expenses | — |  |  | 15,028 |  |  | — |  |  | — |  |  | 15,028 |
Bulk oil purchases | — |  |  | 21,701 |  |  | — |  |  | — |  |  | 21,701 |
Production taxes | — |  |  | 21,052 |  |  | — |  |  | — |  |  | 21,052 |
Depreciation, depletion and amortization | — |  |  | 132,035 |  |  | 254 |  |  | — |  |  | 132,289 |
Exploration expenses | — |  |  | 854 |  |  | — |  |  | — |  |  | 854 |
Impairment | — |  |  | 139 |  |  | — |  |  | — |  |  | 139 |
General and administrative expenses | 6,775 |  |  | 15,375 |  |  | 381 |  |  | — |  |  | 22,531 |
Total operating expenses | 6,775 |  |  | 264,264 |  |  | 1,315 |  |  | — |  |  | 272,354 |
Operating income (loss) | (6,775 | ) |  | 37,545 |  |  | 1,624 |  |  | — |  |  | 32,394 |
Other income (expense) |  |  |  |  |  |  |  |  |
Equity in earnings (loss) of subsidiaries | (13,599 | ) |  | 1,605 |  |  | — |  |  | 11,994 |  |  | — |
Net loss on derivative instruments | — |  |  | (54,310 | ) |  | — |  |  | — |  |  | (54,310 | )
Interest expense, net of capitalized interest | (32,894 | ) |  | (4,476 | ) |  | (19 | ) |  | — |  |  | (37,389 | )
Other income (expense) | 2 |  |  | (607 | ) |  | — |  |  | — |  |  | (605 | )
Total other expense | (46,491 | ) |  | (57,788 | ) |  | (19 | ) |  | 11,994 |  |  | (92,304 | )
Income (loss) before income taxes | (53,266 | ) |  | (20,243 | ) |  | 1,605 |  |  | 11,994 |  |  | (59,910 | )
Income tax benefit | 12,052 |  |  | 6,794 |  |  | — |  |  | — |  |  | 18,846 |
Net income (loss) including non-controlling interests | (41,214 | ) |  | (13,449 | ) |  | 1,605 |  |  | 11,994 |  |  | (41,064 | )
Less: Net income attributable to non-controlling interests | — |  |  | 150 |  |  | 1,112 |  |  | (1,112 | ) |  | 150 |
Net income (loss) attributable to Oasis | $ | (41,214 | ) |  | $ | (13,599 | ) |  | $ | 493 |  |  | $ | 13,106 |  |  | $ | (41,214 | )
Condensed Consolidating Statement of Operations
| Three Months Ended September 30, 2016
| Parent/ Issuer |  | Combined Guarantor Subsidiaries |  | Intercompany Eliminations |  | Consolidated
| (In thousands)
Revenues |  |  |  |  |  |  |
Oil and gas revenues | $ | — |  |  | $ | 156,316 |  |  | $ | — |  |  | $ | 156,316 |
Bulk oil sales | — |  |  | 1,867 |  |  | — |  |  | 1,867 |
Midstream revenues | — |  |  | 8,487 |  |  | — |  |  | 8,487 |
Well services revenues | — |  |  | 10,641 |  |  | — |  |  | 10,641 |
Total revenues | — |  |  | 177,311 |  |  | — |  |  | 177,311 |
Operating expenses |  |  |  |  |  |  |
Lease operating expenses | — |  |  | 35,696 |  |  | — |  |  | 35,696 |
Midstream operating expenses | — |  |  | 2,617 |  |  | — |  |  | 2,617 |
Well services operating expenses | — |  |  | 5,548 |  |  | — |  |  | 5,548 |
Marketing, transportation and gathering expenses | — |  |  | 7,003 |  |  | — |  |  | 7,003 |
Bulk oil purchases | — |  |  | 1,853 |  |  | — |  |  | 1,853 |
Production taxes | — |  |  | 14,638 |  |  | — |  |  | 14,638 |
Depreciation, depletion and amortization | — |  |  | 111,948 |  |  | — |  |  | 111,948 |
Exploration expenses | — |  |  | 489 |  |  | — |  |  | 489 |
Impairment | — |  |  | 382 |  |  | — |  |  | 382 |
General and administrative expenses | 5,930 |  |  | 16,915 |  |  | — |  |  | 22,845 |
Total operating expenses | 5,930 |  |  | 197,089 |  |  | — |  |  | 203,019 |
Gain on sale of properties | — |  |  | 6 |  |  | — |  |  | 6 |
Operating loss | (5,930 | ) |  | (19,772 | ) |  | — |  |  | (25,702 | )
Other income (expense) |  |  |  |  |  |  |
Equity in loss of subsidiaries | (1,140 | ) |  | — |  |  | 1,140 |  |  | — |
Net gain on derivative instruments | — |  |  | 20,847 |  |  | — |  |  | 20,847 |
Interest expense, net of capitalized interest | (29,876 | ) |  | (1,850 | ) |  | — |  |  | (31,726 | )
Loss on extinguishment of debt | (13,793 | ) |  | — |  |  | — |  |  | (13,793 | )
Other income (expense) | 1 |  |  | (260 | ) |  | — |  |  | (259 | )
Total other income (expense) | (44,808 | ) |  | 18,737 |  |  | 1,140 |  |  | (24,931 | )
Loss before income taxes | (50,738 | ) |  | (1,035 | ) |  | 1,140 |  |  | (50,633 | )
Income tax benefit (expense) | 16,796 |  |  | (105 | ) |  | — |  |  | 16,691 |
Net loss | $ | (33,942 | ) |  | $ | (1,140 | ) |  | $ | 1,140 |  |  | $ | (33,942 | )
Condensed Consolidating Statement of Operations
| Nine Months Ended September 30, 2017
| Parent/ Issuer |  | Combined Guarantor Subsidiaries |  | Combined Non-Guarantor Subsidiaries |  | Intercompany Eliminations |  | Consolidated
| (In thousands)
Revenues |  |  |  |  |  |  |  |  |
Oil and gas revenues | $ | — |  |  | $ | 704,533 |  |  | $ | — |  |  | $ | — |  |  | $ | 704,533 |
Bulk oil sales | — |  |  | 56,917 |  |  | — |  |  | — |  |  | 56,917 |
Midstream revenues | — |  |  | 46,000 |  |  | 2,939 |  |  | — |  |  | 48,939 |
Well services revenues | — |  |  | 33,566 |  |  | — |  |  | — |  |  | 33,566 |
Total revenues | — |  |  | 841,016 |  |  | 2,939 |  |  | — |  |  | 843,955 |
Operating expenses |  |  |  |  |  |  |  |  |
Lease operating expenses | — |  |  | 133,871 |  |  | — |  |  | — |  |  | 133,871 |
Midstream operating expenses | — |  |  | 10,211 |  |  | 680 |  |  | — |  |  | 10,891 |
Well services operating expenses | — |  |  | 21,115 |  |  | — |  |  | — |  |  | 21,115 |
Marketing, transportation and gathering expenses | — |  |  | 38,018 |  |  | — |  |  | — |  |  | 38,018 |
Bulk oil purchases | — |  |  | 57,683 |  |  | — |  |  | — |  |  | 57,683 |
Production taxes | — |  |  | 60,322 |  |  | — |  |  | — |  |  | 60,322 |
Depreciation, depletion and amortization | — |  |  | 383,992 |  |  | 254 |  |  | — |  |  | 384,246 |
Exploration expenses | — |  |  | 4,010 |  |  | — |  |  | — |  |  | 4,010 |
Impairment | — |  |  | 6,021 |  |  | — |  |  | — |  |  | 6,021 |
General and administrative expenses | 21,374 |  |  | 48,158 |  |  | 381 |  |  | — |  |  | 69,913 |
Total operating expenses | 21,374 |  |  | 763,401 |  |  | 1,315 |  |  | — |  |  | 786,090 |
Operating income (loss) | (21,374 | ) |  | 77,615 |  |  | 1,624 |  |  | — |  |  | 57,865 |
Other income (expense) |  |  |  |  |  |  |  |  |
Equity in earnings of subsidiaries | 74,379 |  |  | 1,605 |  |  | — |  |  | (75,984 | ) |  | — |
Net gain on derivative instruments | — |  |  | 52,297 |  |  | — |  |  | — |  |  | 52,297 |
Interest expense, net of capitalized interest | (98,751 | ) |  | (11,778 | ) |  | (19 | ) |  | — |  |  | (110,548 | )
Other income (expense) | 2 |  |  | (757 | ) |  | — |  |  | — |  |  | (755 | )
Total other income (expense) | (24,370 | ) |  | 41,367 |  |  | (19 | ) |  | (75,984 | ) |  | (59,006 | )
Income (loss) before income taxes | (45,744 | ) |  | 118,982 |  |  | 1,605 |  |  | (75,984 | ) |  | (1,141 | )
Income tax benefit (expense) | 44,923 |  |  | (44,453 | ) |  | — |  |  | — |  |  | 470 |
Net income (loss) including non-controlling interests | (821 | ) |  | 74,529 |  |  | 1,605 |  |  | (75,984 | ) |  | (671 | )
Less: Net income attributable to non-controlling interests | — |  |  | 150 |  |  | 1,112 |  |  | (1,112 | ) |  | 150 |
Net income (loss) attributable to Oasis | $ | (821 | ) |  | $ | 74,379 |  |  | $ | 493 |  |  | $ | (74,872 | ) |  | $ | (821 | )
Condensed Consolidating Statement of Operations
| Nine Months Ended September 30, 2016
| Parent/ Issuer |  | Combined Guarantor Subsidiaries |  | Intercompany Eliminations |  | Consolidated
| (In thousands)
Revenues |  |  |  |  |  |  |
Oil and gas revenues | $ | — |  |  | $ | 432,968 |  |  | $ | — |  |  | $ | 432,968 |
Bulk oil sales | — |  |  | 1,867 |  |  | — |  |  | 1,867 |
Midstream revenues | — |  |  | 22,380 |  |  | — |  |  | 22,380 |
Well services revenues | — |  |  | 29,459 |  |  | — |  |  | 29,459 |
Total revenues | — |  |  | 486,674 |  |  | — |  |  | 486,674 |
Operating expenses |  |  |  |  |  |  |
Lease operating expenses | — |  |  | 98,283 |  |  | — |  |  | 98,283 |
Midstream operating expenses | — |  |  | 6,095 |  |  | — |  |  | 6,095 |
Well services operating expenses | — |  |  | 15,334 |  |  | — |  |  | 15,334 |
Marketing, transportation and gathering expenses | — |  |  | 22,046 |  |  | — |  |  | 22,046 |
Bulk oil purchases | — |  |  | 1,853 |  |  | — |  |  | 1,853 |
Production taxes | — |  |  | 39,758 |  |  | — |  |  | 39,758 |
Depreciation, depletion and amortization | — |  |  | 356,885 |  |  | — |  |  | 356,885 |
Exploration expenses | — |  |  | 1,192 |  |  | — |  |  | 1,192 |
Impairment | — |  |  | 3,967 |  |  | — |  |  | 3,967 |
General and administrative expenses | 19,776 |  |  | 49,311 |  |  | — |  |  | 69,087 |
Total operating expenses | 19,776 |  |  | 594,724 |  |  | — |  |  | 614,500 |
Loss on sale of properties | — |  |  | (1,305 | ) |  | — |  |  | (1,305 | )
Operating loss | (19,776 | ) |  | (109,355 | ) |  | — |  |  | (129,131 | )
Other income (expense) |  |  |  |  |  |  |
Equity in loss of subsidiaries | (110,454 | ) |  | — |  |  | 110,454 |  |  | — |
Net loss on derivative instruments | — |  |  | (55,624 | ) |  | — |  |  | (55,624 | )
Interest expense, net of capitalized interest | (97,898 | ) |  | (7,546 | ) |  | — |  |  | (105,444 | )
Gain on extinguishment of debt | 4,865 |  |  | — |  |  | — |  |  | 4,865 |
Other income | 44 |  |  | 144 |  |  | — |  |  | 188 |
Total other expense | (203,443 | ) |  | (63,026 | ) |  | 110,454 |  |  | (156,015 | )
Loss before income taxes | (223,219 | ) |  | (172,381 | ) |  | 110,454 |  |  | (285,146 | )
Income tax benefit | 34,891 |  |  | 61,927 |  |  | — |  |  | 96,818 |
Net loss | $ | (188,328 | ) |  | $ | (110,454 | ) |  | $ | 110,454 |  |  | $ | (188,328 | )
Condensed Consolidating Statement of Cash Flows | Condensed Consolidating Statement of Cash Flows
| Nine Months Ended September 30, 2017
| Parent/ Issuer |  | Combined Guarantor Subsidiaries |  | Combined Non-Guarantor Subsidiaries |  | Intercompany Eliminations |  | Consolidated
| (In thousands)
Cash flows from operating activities: |  |  |  |  |  |  |  |  |
Net income (loss) including non-controlling interests | $ | (821 | ) |  | $ | 74,529 |  |  | $ | 1,605 |  |  | $ | (75,984 | ) |  | $ | (671 | )
Adjustments to reconcile net income (loss) including non-controlling interests to net cash provided by (used in) operating activities: |  |  |  |  |  |  |  |  |
Equity in earnings of subsidiaries | (74,379 | ) |  | (1,605 | ) |  | — |  |  | 75,984 |  |  | — |
Depreciation, depletion and amortization | — |  |  | 383,992 |  |  | 254 |  |  | — |  |  | 384,246 |
Impairment | — |  |  | 6,021 |  |  | — |  |  | — |  |  | 6,021 |
Deferred income taxes | (44,923 | ) |  | 44,453 |  |  | — |  |  | — |  |  | (470 | )
Derivative instruments | — |  |  | (52,297 | ) |  | — |  |  | — |  |  | (52,297 | )
Equity-based compensation expenses | 19,740 |  |  | 711 |  |  | — |  |  | — |  |  | 20,451 |
Deferred financing costs amortization and other | 11,399 |  |  | 1,260 |  |  | 7 |  |  | — |  |  | 12,666 |
Working capital and other changes: |  |  |  |  |  |  |  |  |  |
Change in accounts receivable | 115,996 |  |  | (87,610 | ) |  | (5,630 | ) |  | (103,778 | ) |  | (81,022 | )
Change in inventory | — |  |  | (235 | ) |  | — |  |  | — |  |  | (235 | )
Change in prepaid expenses | (190 | ) |  | 1,013 |  |  | — |  |  | — |  |  | 823 |
Change in other current assets | — |  |  | 276 |  |  | — |  |  | — |  |  | 276 |
Change in long-term inventory and other assets | — |  |  | (12,843 | ) |  | — |  |  | — |  |  | (12,843 | )
Change in accounts payable, interest payable and accrued liabilities | (12,571 | ) |  | (62,542 | ) |  | 3,617 |  |  | 103,778 |  |  | 32,282 |
Change in other current liabilities | — |  |  | (10,490 | ) |  | — |  |  | — |  |  | (10,490 | )
Net cash provided by (used in) operating activities | 14,251 |  |  | 284,633 |  |  | (147 | ) |  | — |  |  | 298,737 |
Cash flows from investing activities: |  |  |  |  |  |  |  |  |
Capital expenditures | — |  |  | (443,649 | ) |  | — |  |  | — |  |  | (443,649 | )
Proceeds from sale of properties | — |  |  | 4,000 |  |  | — |  |  | — |  |  | 4,000 |
Derivative settlements | — |  |  | (804 | ) |  | — |  |  | — |  |  | (804 | )
Advances from joint interest partners | — |  |  | (2,502 | ) |  | — |  |  | — |  |  | (2,502 | )
Net cash used in investing activities | — |  |  | (442,955 | ) |  | — |  |  | — |  |  | (442,955 | )
Cash flows from financing activities: |  |  |  |  |  |  |  |  |
Proceeds from revolving credit facility | — |  |  | 764,000 |  |  | — |  |  | — |  |  | 764,000 |
Principal payments on revolving credit facility | — |  |  | (732,000 | ) |  | — |  |  | — |  |  | (732,000 | )
Deferred financing costs | — |  |  | 1,858 |  |  | (1,954 | ) |  | — |  |  | (96 | )
Proceeds from issuance of Oasis Midstream common units, net of offering costs | — |  |  | — |  |  | 115,813 |  |  | — |  |  | 115,813 |
Purchases of treasury stock | (6,182 | ) |  | — |  |  | — |  |  | — |  |  | (6,182 | )
Investment in subsidiaries / capital contributions from parent | (8,002 | ) |  | 121,714 |  |  | (113,712 | ) |  | — |  |  | — |
Other | (55 | ) |  | — |  |  | — |  |  | — |  |  | (55 | )
Net cash provided by (used in) financing activities | (14,239 | ) |  | 155,572 |  |  | 147 |  |  | — |  |  | 141,480 |
Increase (decrease) in cash and cash equivalents | 12 |  |  | (2,750 | ) |  | — |  |  | — |  |  | (2,738 | )
Cash and cash equivalents at beginning of period | 166 |  |  | 11,060 |  |  | — |  |  | — |  |  | 11,226 |
Cash and cash equivalents at end of period | $ | 178 |  |  | $ | 8,310 |  |  | $ | — |  |  | $ | — |  |  | $ | 8,488 |
Condensed Consolidating Statement of Cash Flows
| Nine Months Ended September 30, 2016
| Parent/ Issuer |  | Combined Guarantor Subsidiaries |  | Intercompany Eliminations |  | Consolidated
| (In thousands)
Cash flows from operating activities: |  |  |  |  |  |  |
Net loss | $ | (188,328 | ) |  | $ | (110,454 | ) |  | $ | 110,454 |  |  | $ | (188,328 | )
Adjustments to reconcile net loss to net cash provided by (used in) operating activities: |  |  |  |  |  |  |
Equity in loss of subsidiaries | 110,454 |  |  | — |  |  | (110,454 | ) |  | — |
Depreciation, depletion and amortization | — |  |  | 356,885 |  |  | — |  |  | 356,885 |
Gain on extinguishment of debt | (4,865 | ) |  | — |  |  | — |  |  | (4,865 | )
Loss on sale of properties | — |  |  | 1,305 |  |  | — |  |  | 1,305 |
Impairment | — |  |  | 3,967 |  |  | — |  |  | 3,967 |
Deferred income taxes | (34,891 | ) |  | (61,927 | ) |  | — |  |  | (96,818 | )
Derivative instruments | — |  |  | 55,624 |  |  | — |  |  | 55,624 |
Equity-based compensation expenses | 18,195 |  |  | 566 |  |  | — |  |  | 18,761 |
Deferred financing costs amortization and other | 5,371 |  |  | 4,803 |  |  | — |  |  | 10,174 |
Working capital and other changes: |  |  |  |  |  |  |
Change in accounts receivable | (85 | ) |  | (88,509 | ) |  | 99,943 |  |  | 11,349 |
Change in inventory | — |  |  | 2,559 |  |  | — |  |  | 2,559 |
Change in prepaid expenses | (135 | ) |  | 1,303 |  |  | — |  |  | 1,168 |
Change in other current assets | — |  |  | (240 | ) |  | — |  |  | (240 | )
Change in long-term inventory and other assets | 100 |  |  | (248 | ) |  | — |  |  | (148 | )
Change in accounts payable, interest payable and accrued liabilities | 70,285 |  |  | (12,333 | ) |  | (99,943 | ) |  | (41,991 | )
Change in other current liabilities | — |  |  | (6,000 | ) |  | — |  |  | (6,000 | )
Change in other liabilities | — |  |  | 17 |  |  | — |  |  | 17 |
Net cash provided by (used in) operating activities | (23,899 | ) |  | 147,318 |  |  | — |  |  | 123,419 |
Cash flows from investing activities: |  |  |  |  |  |  |
Capital expenditures | — |  |  | (340,314 | ) |  | — |  |  | (340,314 | )
Proceeds from sale of properties | — |  |  | 12,333 |  |  | — |  |  | 12,333 |
Costs related to sale of properties | — |  |  | (310 | ) |  | — |  |  | (310 | )
Derivative settlements | — |  |  | 115,576 |  |  | — |  |  | 115,576 |
Advances from joint interest partners | — |  |  | 544 |  |  | — |  |  | 544 |
Net cash used in investing activities | — |  |  | (212,171 | ) |  | — |  |  | (212,171 | )
Cash flows from financing activities: |  |  |  |  |  |  |
Proceeds from revolving credit facility | — |  |  | 835,000 |  |  | — |  |  | 835,000 |
Principal payments on revolving credit facility | — |  |  | (778,000 | ) |  | — |  |  | (778,000 | )
Repurchase of senior unsecured notes | (435,907 | ) |  | — |  |  | — |  |  | (435,907 | )
Proceeds from issuance of senior unsecured convertible notes | 300,000 |  |  | — |  |  | — |  |  | 300,000 |
Deferred financing costs | (7,880 | ) |  | (931 | ) |  | — |  |  | (8,811 | )
Proceeds from sale of common stock | 182,791 |  |  | — |  |  | — |  |  | 182,791 |
Purchases of treasury stock | (2,275 | ) |  | — |  |  | — |  |  | (2,275 | )
Investment in subsidiaries / capital contributions from parent | (13,517 | ) |  | 13,517 |  |  | — |  |  | — |
Net cash provided by financing activities | 23,212 |  |  | 69,586 |  |  | — |  |  | 92,798 |
Increase (decrease) in cash and cash equivalents | (687 | ) |  | 4,733 |  |  | — |  |  | 4,046 |
Cash and cash equivalents at beginning of period | 777 |  |  | 8,953 |  |  | — |  |  | 9,730 |
Cash and cash equivalents at end of period | $ | 90 |  |  | $ | 13,686 |  |  | $ | — |  |  | $ | 13,776 |

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