| Oil and gas sales | |
| Loss on property sales | |
| Total revenue | 510.31M |
| Lease operating expense | 10K |
| Transportation expense | |
| Production taxes | |
| Exploration expense | |
| Dry hole costs and impairments | |
| Depreciation, depletion, amortization and accretion | 9.64M |
| General and administrative expense | 9.86M |
| Total operating expenses | 532.09M |
| Operating loss | -21.78M |
| Interest expense and financing costs, net | -11.23M |
| Other income | -56K |
| Realized loss on derivative instruments, net | |
| Unrealized gain (loss) on derivative instruments, net | |
| Income from unconsolidated affiliates | 3.66M |
| Total other income and (expense) | -5.95M |
| Loss from continuing operations before income taxes and discontinued operations | -27.73M |
| Income tax expense (benefit) | -30K |
| Loss from continuing operations | |
| Gain (loss) from results of operations and sale of discontinued operations, net of tax | |
| Net income (loss) | |
| Less net (gain) loss attributable to non-controlling interest included in discontinued operations | |
| Net loss attributable to Delta common stockholders | -27.76M |
| Loss from continuing operations | |
| Gain (loss) from discontinued operations, net of tax | |
| Net loss | |
| Loss from continuing operations | |
| Discontinued operations | |
| Net loss | -0.67 |
| Loss from continuing operations | |
| Discontinued operations | |
| Net loss | -0.67 |