| Dec 31,
2011 | Dec 31,
2012 | Dec 31,
2013 | Dec 31,
2014 | Dec 31,
2015 | Dec 31,
2016 | Dec 31,
2017 | Dec 31,
2018 | Dec 31,
2019 | Dec 31,
2020 | Dec 31,
2021 | Dec 31,
2022 |
|---|
| Net income (loss) | - | - | - | - | - | - | - | - | - | - | -41 | 231 |
|---|
| Depreciation, Amortization and Accretion, Net | 329 | 356 | 452 | 511 | 394 | 212 | 156 | 150 | 148 | 120 | 113 | 134 |
|---|
| Amortization of debt items and other items | 2 | 3 | 2 | 1 | 4 | 3 | 2 | 3 | 6 | 7 | 7 | 8 |
|---|
| Share-based compensation | 10 | 12 | 12 | 15 | 10 | 11 | 7 | 4 | 4 | 4 | 3 | 8 |
|---|
| Derivative loss (gain) | 2 | -14 | -8 | 4 | 14 | -3 | 4 | 54 | -60 | 24 | -175 | -86 |
|---|
| Derivative cash (payments), net | - | - | - | - | - | - | - | - | 14 | 45 | -81 | -42 |
|---|
| Derivative cash premium payments | - | - | - | - | - | - | - | - | - | - | -40 | -46 |
|---|
| Gain on debt transactions | -23 | - | -0 | - | - | 124 | 8 | 47 | - | 48 | - | - |
|---|
| Deferred income taxes | 62 | 88 | 31 | -5 | -203 | 28 | 0 | 1 | -64 | -30 | -8 | 45 |
|---|
| Oil and natural gas receivables | 19 | -1 | -1 | -30 | -32 | 7 | 2 | 2 | 10 | -19 | 16 | 11 |
|---|
| Joint interest receivables | - | - | - | - | - | - | -2 | -5 | 5 | -9 | -1 | 4 |
|---|
| Prepaid expenses and other assets | 8 | -7 | 10 | -15 | -18 | 15 | -3 | -3 | 9 | -10 | 0 | -32 |
|---|
| Income tax | - | - | - | - | -0 | -64 | -1 | 11 | 52 | 2 | -5 | 0 |
|---|
| Asset retirement obligation settlements | - | - | 82 | 74 | 33 | 72 | 72 | 29 | 11 | 3 | 27 | 76 |
|---|
| Cash advances from JV partners | - | - | - | - | - | - | - | 17 | -15 | 2 | 8 | -12 |
|---|
| Accounts payable, accrued liabilities and other | 8 | 38 | 28 | 41 | -47 | 6 | 11 | 40 | -11 | -41 | 46 | -12 |
|---|
| Net cash provided by operating activities | 521 | 385 | 561 | - | - | - | - | 322 | 232 | 109 | 134 | 340 |
|---|
| Investment in oil and natural gas properties and equipment | 282 | 479 | 552 | 554 | 230 | 49 | 130 | 106 | 126 | 18 | 32 | 42 |
|---|
| Changes in operating assets and liabilities associated with investing activities | - | - | - | - | - | - | - | - | - | 27 | -5 | 2 |
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| Acquisition of property interests | 437 | 206 | 82 | 72 | - | - | - | - | 188 | 3 | 1 | 51 |
|---|
| Purchases of furniture, fixtures and other | - | - | - | - | - | - | - | - | - | - | -0 | 0 |
|---|
| Net cash used in investing activities | -723 | -657 | -615 | - | - | - | - | -66 | -314 | -48 | -27 | -95 |
|---|
| Borrowings on credit facility | 623 | 732 | 563 | 556 | 263 | 340 | - | 61 | 150 | 25 | - | - |
|---|
| Repayments on credit facility | 506 | 679 | 443 | 399 | 710 | 340 | - | 40 | 66 | 50 | 80 | - |
|---|
| Purchase of 9.75% Senior Second Lien Notes | - | - | - | - | - | - | - | - | - | 24 | - | - |
|---|
| Proceeds from Term Loan | - | - | - | - | - | - | - | - | - | - | 215 | - |
|---|
| Repayments on Term Loan | - | - | - | - | - | - | - | - | - | - | 24 | 43 |
|---|
| Debt issuance costs | - | - | - | - | 7 | 18 | 0 | 17 | 1 | - | 10 | 2 |
|---|
| Proceeds from Issuance of Common Stock | - | - | - | - | - | - | - | - | - | - | - | 17 |
|---|
| Commission & fees related to at-the-market sales | - | - | - | - | - | - | - | - | - | - | - | 1 |
|---|
| Other | 1 | 0 | -0 | -0 | -0 | -1 | -1 | -4 | -2 | -1 | -1 | -1 |
|---|
| Net cash (used in) provided by financing activities | 177 | 280 | 57 | - | - | - | - | -321 | 81 | -50 | 100 | -29 |
|---|
| Increase in cash and cash equivalents | - | - | - | - | - | - | - | -66 | -1 | 11 | 206 | 216 |
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