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Related parties (Tables)
 3 Months Ended
Mar. 31, 2022
Related Party Transactions [Abstract]  
Schedule of related party transactions
The following table presents the capital expenditures for oil and natural gas properties paid to Halliburton included in the unaudited consolidated statements of cash flows for the periods presented:
 Three months ended March 31,
(in thousands)20222021
Capital expenditures for oil and natural gas properties$30,141 $11,780