| Assets | — | — |
| Current assets | — | — |
| Cash and cash equivalents | 2.13a | 1.43a |
| Trade receivables, net | 3.53a | 3.2a |
| Joint interest receivables | 0.72a | 0.9a |
| Inventories | 2.1a | 2.02a |
| Total current assets | 9.07a | 8.38a |
| Investments in unconsolidated entities | 3.16a | 3.22a |
| Property, plant and equipment | — | — |
| Oil and gas | 121.87a | 109.21a |
| Chemical | 8.73a | 8.28a |
| Midstream and marketing | 9.32a | 8.28a |
| Corporate | 1.03a | 1.04a |
| Accumulated depreciation, depletion and amortization | -71.58a | -68.28a |
| Total property, plant and equipment, net | 69.38a | 58.53a |
| Operating lease assets | 0.94a | 1.13a |
| Other long-term assets | 2.9a | 2.75a |
| Total assets | 85.45a | 74.01a |
| Liabilities and equity | — | — |
| Current liabilities | — | — |
| Current maturities of long-term debt | 1.14a | 1.2a |
| Current operating lease liabilities | 0.37a | 0.45a |
| Accounts payable | 3.75a | 3.65a |
| Accrued liabilities | 4.26a | 3.85a |
| Total current liabilities | 9.52a | 9.15a |
| Long-term debt, net | 24.98a | 18.54a |
| Deferred credits and other liabilities | — | — |
| Deferred income taxes, net | 5.39a | 5.76a |
| Asset retirement obligations | 4.04a | 3.88a |
| Other deferred credits and liabilities | 7.03a | 6.33a |
| Total deferred credits and other liabilities | 16.47a | 15.98a |
| Equity | — | — |
| Preferred stock | 8.29a | 8.29a |
| Common stock | 0.23a | 0.22a |
| Treasury stock | -15.6a | -15.58a |
| Additional paid-in capital | 19.87a | 17.42a |
| Retained earnings | 21.19a | 19.63a |
| Accumulated other comprehensive income | 0.18a | 0.28a |
| Total stockholders' equity | 34.16a | 30.25a |
| Noncontrolling interest | 0.32a | 0.1a |
| Total equity | 34.48a | 30.35a |
| Total liabilities and equity | 85.45a | 74.01a |