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Oil and Natural Gas Properties (Tables)
3 Months Ended
Dec. 31, 2021
Extractive Industries [Abstract]  
Schedule of Oil and Gas Properties
Oil and natural gas properties are summarized below:
December 31, 2021September 30, 2021
(In thousands)
Proved$421,779 $402,165 
Unproved18,839 20,557 
Work-in-progress13,534 11,411 
454,152 434,133 
Accumulated depletion and amortization(95,021)(88,336)
Total oil and natural gas properties, net$359,131 $345,797