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Exploratory Well Costs
12 Months Ended
Dec. 31, 2021
Exploratory Well Cost [Abstract]  
Exploratory Well Costs Exploratory Well Costs
Exploratory well costs are initially capitalized as proved property in the consolidated balance sheets but charged to exploration expense if and when the well is determined not to have found commercial proved oil and gas reserves, it is impaired or it is sold. The changes in capitalized exploratory well costs are as follows:
Year Ended December 31, 2021
(in thousands)
Beginning capitalized exploratory project costs$— 
Additions to exploratory well costs pending the determination of proved reserves6,966 
Ending capitalized exploratory well costs$6,966 
As of December 31, 2021, the Company had no exploratory wells for which costs have been capitalized for a period greater than one year.