| In millions, except per share items | Dec-31-17 | Dec-31-16 | Dec-31-15 | Dec-31-14 | Dec-31-13 | Dec-31-12 | Dec-31-11 | Dec-31-10 |
| | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K |
| Revenues: |
| Exploration and Production | | | | | | | 112.1 | |
| Field Services | | | | | | | 3.5 | |
| Total revenues [+] | 205.3 | 139.0 | 138.7 | 225.6 | 214.1 | 134.8 | 114.6 | 68.8 |
| Oil & gas sales | | | | | 213.9 | 134.6 | 111.9 | 67.2 |
| Natural gas midstream | 205.2 | 139.0 | 138.7 | 225.5 | | | | |
| Other | 0.0 | 0.0 | 0.0 | 0.1 | 0.2 | 0.2 | 0.2 | 0.2 |
| Revenue growth | 47.7% | 0.2% | -38.5% | 5.4% | 58.9% | 17.6% | 66.7% | 41.2% |
| Cost of goods sold | 230.0 | 196.4 | 173.4 | 124.9 | 88.6 | 61.7 | 4.6 | 0.1 |
| Gross profit | -24.7 | -57.4 | -34.6 | 100.7 | 125.6 | 73.1 | 110.0 | 68.7 |
| Gross margin | -12.0% | -41.3% | -25.0% | 44.6% | 58.6% | 54.2% | 96.0% | 99.9% |
| Selling, general and administrative [+] | 17.9 | 20.6 | 26.7 | 31.9 | 30.8 | 22.5 | 23.6 | 17.1 |
| General and administrative | 17.9 | 20.6 | 26.7 | 31.9 | 30.8 | 22.5 | 23.6 | 17.1 |
| Equity in earnings | | | -0.4 | -0.8 | -0.8 | -3.9 | 0.1 | -0.2 |
| Other operating expenses [+] | -108.1 | -78.8 | -71.3 | -28.1 | 17.7 | 12.4 | 62.0 | 58.9 |
| Exploration expenses | 0.5 | 2.2 | 2.6 | 6.8 | 11.4 | 4.8 | 2.5 | 2.6 |
| EBITDA [+] | 65.5 | 0.8 | 9.5 | | | | | |
| EBITDA growth | 8459.0% | -92.0% | -68.4% | 117.0% | -230.4% | -143.5% | -423.1% | -58.4% |
| EBITDA margin | 31.9% | 0.6% | 6.9% | 13.4% | 6.5% | -7.9% | 21.4% | -11.0% |
| Depreciation | 59.0 | 62.9 | 85.8 | | -1.2 | -1.0 | -0.8 | -0.5 |
| EBITA | 6.4 | -62.1 | -76.3 | 30.2 | 15.1 | -9.7 | 25.3 | -7.1 |
| EBITA margin | 3.1% | -44.7% | -55.0% | 13.4% | 7.1% | -7.2% | 22.1% | -10.3% |
| Amortization of intangibles | | | | | 1.2 | 1.0 | 0.8 | 0.5 |
| EBIT [+] | 6.4 | -62.1 | -76.3 | 30.2 | 13.9 | -10.7 | 24.5 | -7.6 |
| EBIT growth | -110.4% | -18.6% | -352.8% | 117.0% | -230.4% | -143.5% | -423.1% | -58.4% |
| EBIT margin | 3.1% | -44.7% | -55.0% | 13.4% | 6.5% | -7.9% | 21.4% | -11.0% |
| Non-recurring items [+] | 20.0 | 70.5 | 282.7 | 0.2 | 1.6 | 0.1 | 14.6 | -16.4 |
| Asset impairment | 21.4 | 74.6 | 283.2 | | | | 14.6 | |
| Loss (gain) on sale of assets | -1.4 | -4.1 | -0.5 | 0.2 | 1.6 | 0.1 | | -16.4 |
| Interest expense | 48.8 | 43.5 | 47.8 | 36.9 | 22.7 | 6.4 | 2.5 | 1.2 |
| Interest expense | 48.8 | 43.5 | 47.8 | 36.9 | 22.7 | 6.4 | 2.5 | 1.2 |
| Other income (expense), net [+] | -4.6 | -19.1 | 60.0 | 38.9 | 3.8 | 109.3 | 19.0 | 5.7 |
| Gain (loss) on sale of assets | | | | | | | 0.5 | |
| Gain (loss) on debt retirement | -3.0 | -9.1 | | | | | | |
| Unrealized gain/loss on derivatives | -1.3 | -32.5 | 60.2 | 38.9 | -2.9 | 10.7 | 18.9 | 6.1 |
| Other non-ooperating expenses | | | | | | | | -0.3 |
| Other | -0.3 | -2.1 | -0.1 | 0.1 | 6.7 | 98.7 | 0.1 | 4.3 |
| Pre-tax income | -67.0 | -195.2 | -346.8 | 32.0 | -6.5 | 92.2 | 26.4 | 13.3 |
| Income taxes | -2.7 | 2.4 | 6.0 | 15.5 | -4.2 | 37.3 | 8.3 | 5.5 |
| Tax rate | 4.1% | | | 48.4% | 63.5% | 40.4% | 31.4% | 41.3% |
| Minority interest | | | 2.2 | 4.0 | 1.6 | 0.8 | 0.0 | -0.3 |
| Earnings from continuing ops | -66.6 | -129.7 | -364.7 | 10.1 | -3.9 | 54.1 | 2.7 | 6.0 |
| Earnings from discontinued ops | | 20.9 | -8.3 | -59.2 | 1.8 | -8.6 | | |
| Net income | -66.6 | -108.8 | -372.9 | -49.0 | -2.1 | 45.5 | 2.7 | 6.0 |
| Net margin | -32.5% | -78.3% | -268.8% | -21.7% | -1.0% | 33.7% | 2.4% | 8.8% |
| |
| Basic EPS [+] | ($6.73) | ($16.37) | ($67.05) | $0.19 | ($0.07) | $1.05 | $0.06 | $0.14 |
| Growth | -58.9% | -75.6% | -35255.6% | -354.4% | -107.1% | 1600.3% | -55.7% | -131.6% |
| Diluted EPS [+] | ($6.73) | ($16.37) | ($67.05) | $0.19 | ($0.07) | $1.04 | $0.06 | $0.14 |
| Growth | -58.9% | -75.6% | -35255.6% | -354.4% | -107.2% | 1605.4% | -55.9% | -131.3% |
| |
| Shares outstanding (basic) [+] | 9.9 | 7.9 | 5.4 | 53.2 | 52.6 | 51.5 | 43.9 | 43.3 |
| Growth | 24.9% | 45.7% | -89.8% | 1.1% | 2.0% | 17.3% | 1.5% | 17.6% |
| Shares outstanding (diluted) [+] | 9.9 | 7.9 | 5.4 | 53.2 | 52.6 | 52.0 | 44.5 | 43.7 |
| Growth | 24.9% | 45.7% | -89.8% | 1.1% | 1.1% | 17.0% | 1.8% | 18.6% |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |