| Revenues and other income | — | — | — |
| Revenue from production | 3,014.86a | 3,376.64a | 4,038.45a |
| Sales of purchased natural gas | 3.74a | 72.22a | 181.69a |
| Total revenue from sales to customers | 3,018.6a | 3,448.85a | 4,220.14a |
| (Loss) on derivative instruments | -1.71a | | -320.41a |
| Gain on sale of assets and other operating income | 11.58a | 11.29a | 32.93a |
| Total revenues and other income | 3,028.47a | 3,460.15a | 3,932.66a |
| Costs and expenses | — | — | — |
| Lease operating expenses | -936.96a | -784.39a | -679.34a |
| Severance and ad valorem taxes | -39.16a | -42.79a | -57.01a |
| Transportation, gathering and processing | -210.83a | -232.99a | -212.71a |
| Costs of purchased natural gas | -3.15a | -51.68a | -171.99a |
| Exploration expenses, including undeveloped lease amortization | -133.54a | -234.78a | -133.2a |
| Selling and general expenses | -110.09a | -117.31a | -131.12a |
| Depreciation, depletion and amortization | -865.75a | -861.6a | -776.82a |
| Accretion of asset retirement obligations | -52.51a | -46.06a | -46.24a |
| Impairment of assets | -62.91a | | |
| Other operating expense | -10.99a | -46.53a | -137.52a |
| Total costs and expenses | -2,425.88a | -2,418.12a | -2,345.95a |
| Operating income from continuing operations | 602.59a | 1,042.03a | 1,586.71a |
| Other income (loss) | — | — | — |
| Other income (loss) | 70.9a | -8.59a | 14.31a |
| Interest expense, net | -105.93a | -112.37a | -150.76a |
| Total other loss | -35.02a | -120.96a | -136.45a |
| Income from continuing operations before income taxes | 567.57a | 921.07a | 1,450.26a |
| Income tax expense | -78.27a | -195.92a | -309.46a |
| Income from continuing operations | 489.3a | 725.15a | 1,140.8a |
| Loss from discontinued operations, net of income taxes | -2.81a | -1.47a | -2.08a |
| Net income including noncontrolling interest | 486.49a | 723.68a | 1,138.72a |
| Less: net income attributable to noncontrolling interest | 79.31a | 62.12a | 173.67a |
| Net income attributable to Murphy | 407.17a | 661.56a | 965.05a |