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Supplemental Oil and Gas Disclosures - Unaudited (Tables)

12 Months Ended

Dec. 31, 2019

Oil and Gas Exploration and Production Industries Disclosures [Abstract]

Capitalized Costs Related to Oil and Natural Gas Producing Activities

The following table sets forth the capitalized costs related to the Company’s crude oil and natural gas producing activities:

			At December 31,
			2019						2018
			(In thousands)
Proved oil and gas properties(1)			$	8,724,376					$	7,878,104
Less: Accumulated depreciation, depletion, amortization and impairment			(3,601,019)						(2,853,353)
Proved oil and gas properties, net			5,123,357						5,024,751
Unproved oil and gas properties			738,662						1,034,085
Total oil and gas properties, net			$	5,862,019					$	6,058,836

__________________ 

(1)Included in the Company’s proved oil and gas properties are estimates of future asset retirement costs of $42.3 million and $40.5 million at December 31, 2019 and 2018, respectively.

Costs Incurred in Oil and Natural Gas Property Acquisition, Exploration and Development Activities

The following table sets forth costs incurred related to the Company’s crude oil and natural gas activities for the periods presented:

			Year Ended December 31,
			2019						2018						2017
			(In thousands)
Acquisition costs:
Proved oil and gas properties			$	—					$	260,034					$	61,874
Unproved oil and gas properties			23,058						696,293						5,424
Exploration costs			67,470						53,928						11,600
Development costs			542,133						923,562						511,905
Asset retirement costs			2,083						5,804						(2,965)
Total costs incurred			$	634,744					$	1,939,621					$	587,838

Results of Operations for Oil and Natural Gas Producing Activities

The following table sets forth the results of operations for crude oil and natural gas producing activities, which exclude straight-line depreciation, general and administrative expenses and interest expense, for the periods presented:

			Year Ended December 31,
			2019						2018						2017
			(In thousands)
Revenues			$	1,408,771					$	1,590,024					$	1,034,634
Production costs			464,782						434,801						321,007
Depreciation, depletion and amortization			759,900						613,928						515,600
Exploration costs			6,658						27,432						11,600
Rig termination			384						—						—
Impairment			5,389						384,228						6,887
Income tax expense			40,745						30,770						67,148
Results of operations for crude oil and natural gas producing activities			$	130,913					$	98,865					$	112,392

X

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