Annual report pursuant to Section 13 and 15(d)

SUPPLEMENTAL DISCLOSURES ABOUT NATURAL GAS PRODUCING ACTIVITIES - Additional Information (Details)

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SUPPLEMENTAL DISCLOSURES ABOUT NATURAL GAS PRODUCING ACTIVITIES - Additional Information (Details) - MMcfe
MMcfe in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Extractive Industries [Abstract]      
Extensions, discoveries and other additions 1 113 203
Revisions of previous estimates (180) (52) 35
Proved developed and undeveloped reserves, revision from removing proved undeveloped locations (in Bcfe) (170) (38)  
Proved developed and undeveloped reserves, positive (negative) revision due to change of prices (in Bcfe) (12) 6 9
Proved undeveloped reserves, revision from well performance (in Bcfe) (26) 5 6
Proved developed and undeveloped, revision from changes in ownership (in Bcfe) 27 (25) 15
Proved undeveloped reserves, added from additional locations (in Bcfe) 16 89 152
Additional proved undeveloped locations, discoveries (in Bcfe)   89 152
Additional proved undeveloped locations, drilling activities (in Bcfe)   24 51
Proved developed and undeveloped reserve, revision from increased operational costs (in Bcfe)   (3)  
Proved developed and undeveloped, revision from well performance (in Bcfe)   8 11
Purchases of reserves-in-place   108  
Proved undeveloped reserves, revision of previous estimate (in Bcfe)   (44) 25
Proved undeveloped reverses, revision from removing proved undeveloped locations (in Bcfe)   (38)  
Proved undeveloped reverses, revision from changes in ownership (in Bcfe)   (13) 16
Proved undeveloped reserves, revision due to change in commodity prices (in Bcfe)   2 3
Proved undeveloped reserves, acquisition of natural gas assets (in Bcfe)   71  
Proved undeveloped reserves, converted (in Bcfe) 41 138