Annual report [Section 13 and 15(d), not S-K Item 405]

SUPPLEMENTAL OIL AND GAS DISCLOSURES (UNAUDITED) - Estimated Quantities of Net Proved Oil, NGLs and Natural Gas Reserves (Details)

v3.26.1
SUPPLEMENTAL OIL AND GAS DISCLOSURES (UNAUDITED) - Estimated Quantities of Net Proved Oil, NGLs and Natural Gas Reserves (Details)
 12 Months Ended
Dec. 31, 2025
MMBoe
ft³
MMBbls
Dec. 31, 2024
MMBoe
MMBbls
ft³
Dec. 31, 2023
MMBoe
MMBbls
ft³
SUPPLEMENTAL OIL AND GAS DISCLOSURES (UNAUDITED)      
Proved reserves, balance (Millions of Barrels of Oil Equivalent) | MMBoe 6.7    
Oil      
SUPPLEMENTAL OIL AND GAS DISCLOSURES (UNAUDITED)      
Proved reserves, balance (Million Barrels of Oil) 51.6 37 40.6
Revisions of previous estimates (Million Barrels of Oil) (7.7) 7  
Purchase of minerals in place (Million Barrels of Oil)   12.9 1.4
Sale of minerals in place (Million Barrels of Oil) (0.1)    
Production (Million Barrels of Oil) (5.1) (5.3) (5)
Proved reserves, balance (Million Barrels of Oil) 38.7 51.6 37
Proved developed reserves, ending balance (Million Barrels of Oil) 32.9 37 27.4
Proved undeveloped reserves, ending balance (Million Barrels of Oil) 5.8 14.6 9.6
NGLs      
SUPPLEMENTAL OIL AND GAS DISCLOSURES (UNAUDITED)      
Proved reserves, balance (Million Barrels of Oil) 13 13.7 18.9
Revisions of previous estimates (Million Barrels of Oil) (0.2) 0.2 (4)
Purchase of minerals in place (Million Barrels of Oil)   0.3 0.2
Production (Million Barrels of Oil) (1.1) (1.2) (1.4)
Proved reserves, balance (Million Barrels of Oil) 11.7 13 13.7
Proved developed reserves, ending balance (Million Barrels of Oil) 11.6 12.2 12.7
Proved undeveloped reserves, ending balance (Million Barrels of Oil) 0.1 0.8 1
Natural Gas      
SUPPLEMENTAL OIL AND GAS DISCLOSURES (UNAUDITED)      
Proved reserves, balance (Million Barrels of Oil) | ft³ 374,400,000,000 434,000,000,000 634,600,000,000
Revisions of previous estimates (Million Barrels of Oil) | ft³ 85,800,000,000 (77,100,000,000) (168,800,000,000)
Purchase of minerals in place (Million Barrels of Oil) | ft³   51,800,000,000 5,800,000,000
Production (Million Barrels of Oil) | ft³ (36,900,000,000) (34,300,000,000) (37,600,000,000)
Proved reserves, balance (Million Barrels of Oil) | ft³ 423,300,000,000 374,400,000,000 434,000,000,000
Proved developed reserves, ending balance (Million Barrels of Oil) | ft³ 418,900,000,000 336,000,000,000 379,400,000,000
Proved undeveloped reserves, ending balance (Million Barrels of Oil) | ft³ 4,400,000,000 38,400,000,000 54,600,000,000
Oil Equivalent      
SUPPLEMENTAL OIL AND GAS DISCLOSURES (UNAUDITED)      
Proved reserves, balance (Millions of Barrels of Oil Equivalent) | MMBoe 127 123 165.3
Revisions of previous estimates (Millions of Barrels of Oil Equivalent) | MMBoe 6.5 (5.5) (32.2)
Purchase of minerals in place (Millions of Barrels of Oil Equivalent) | MMBoe   21.7 2.6
Sale of minerals in place (Millions of Barrels of Oil Equivalent) | MMBoe (0.1)    
Production (Millions of Barrels of Oil Equivalent) | MMBoe (12.4) (12.2) (12.7)
Proved reserves, balance (Millions of Barrels of Oil Equivalent) | MMBoe 121 127 123
Proved developed reserves, ending balance (Millions of Barrels of Oil Equivalent) | MMBoe 114.3 105.3 103.3
Proved undeveloped reserves, ending balance (Millions of Barrels of Oil Equivalent) | MMBoe 6.7 21.7 19.7