Annual report pursuant to Section 13 and 15(d)

Note 1 - Significant Accounting Policies - Schedule of Oil and Natural Gas Properties and Other, Net at Cost (Details)

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Note 1 - Significant Accounting Policies - Schedule of Oil and Natural Gas Properties and Other, Net at Cost (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Oil and natural gas properties and equipment $ 8,567,509 $ 8,532,196
Furniture, fixtures and other 20,847 20,317
Total property and equipment 8,588,356 8,552,513
Less accumulated depreciation, depletion and amortization 7,901,478 7,803,715
Oil and natural gas properties and other, net $ 686,878 $ 748,798