Annual report pursuant to Section 13 and 15(d)

Supplemental Information on Oil and Natural Gas Properties (Unaudited) - Proved Developed and Undeveloped Oil and Gas Reserve Quantities (Details)

v3.22.4
Supplemental Information on Oil and Natural Gas Properties (Unaudited) - Proved Developed and Undeveloped Oil and Gas Reserve Quantities (Details)
bbl in Thousands, MMcf in Thousands, Boe in Thousands
 12 Months Ended
Dec. 31, 2022
Boe
MMcf
bbl
Dec. 31, 2021
Boe
MMcf
bbl
Dec. 31, 2020
Boe
MMcf
bbl
Proved developed and undeveloped reserves (Energy):      
Beginning of period | Boe 484,621 475,879 540,012
Extensions and discoveries | Boe 67,961 36,180 41,407
Revisions to previous estimates | Boe (31,645) (14,181) (52,227)
Purchase of reserves in place | Boe 0 57,652 0
Sale of reserves in place | Boe (3,359) (36,015) (16,120)
Production | Boe (38,053) (34,894) (37,193)
End of period | Boe 479,525 484,621 475,879
Proved developed reserves      
Beginning of period, MBOE proved developed | Boe 273,983 211,925 230,977
End of period, MBOE proved developed | Boe 293,200 273,983 211,925
Beginning of periodic, MBOE proved developed | Boe 210,638 263,954 309,035
End of period, MBOE proved developed | Boe 186,325 210,638 263,954
Proved Developed and Undeveloped Reserve, Net (Energy), Period Increase (Decrease) | Boe (5,100) 8,700 (64,100)
Commodity - Oil      
Proved developed and undeveloped reserves:      
Beginning of period 290,296 289,487 346,361
Extensions and discoveries 41,064 22,520 25,678
Revisions to previous estimates (31,163) (10,514) (49,336)
Purchase of reserves in place 0 35,045 0
Sales of reserves in place (949) (24,019) (9,673)
Production (23,639) (22,223) (23,543)
End of period 275,609 290,296 289,487
Proved developed reserves      
Beginning of period, proved developed 162,886 128,923 152,687
End of period, proved developed 170,866 162,886 128,923
Beginning of period, proved undeveloped 127,410 160,564 193,674
End of period, proved undeveloped 104,743 127,410 160,564
Proved Developed and Undeveloped Reserves (Volume) 290,296 289,487 346,361
Proved Developed and Undeveloped Reserves (Volume) 275,609 290,296 289,487
Natural gas      
Proved developed and undeveloped reserves:      
Beginning of period | MMcf 577,327 541,598 757,134
Extensions and discoveries | MMcf 75,801 37,896 44,282
Revisions to previous estimates | MMcf (11,155) (3,389) (198,628)
Purchase of reserves in place | MMcf 0 73,445 0
Sales of reserves in place | MMcf (7,503) (34,837) (20,389)
Production | MMcf (41,627) (37,386) (40,801)
End of period | MMcf 592,843 577,327 541,598
Proved developed reserves      
Beginning of period, proved developed | MMcf 332,266 238,119 320,676
End of period, proved developed | MMcf 351,278 332,266 238,119
Beginning of period, proved undeveloped | MMcf 245,061 303,479 436,458
End of period, proved undeveloped | MMcf 241,565 245,061 303,479
Proved Developed and Undeveloped Reserves (Volume) | MMcf 577,327 541,598 757,134
Proved Developed and Undeveloped Reserves (Volume) | MMcf 592,843 577,327 541,598
Natural gas liquids      
Proved developed and undeveloped reserves:      
Beginning of period 98,104 96,126 67,462
Extensions and discoveries 14,264 7,345 8,349
Revisions to previous estimates 1,376 (3,103) 30,214
Purchase of reserves in place 0 10,366 0
Sales of reserves in place (1,159) (6,191) (3,049)
Production (7,476) (6,439) (6,850)
End of period 105,109 98,104 96,126
Proved developed reserves      
Beginning of period, proved developed 55,720 43,315 24,844
End of period, proved developed 63,788 55,720 43,315
Beginning of period, proved undeveloped | MMcf 42,384 52,811 42,618
End of period, proved undeveloped | MMcf 41,321 42,384 52,811
Proved Developed and Undeveloped Reserves (Volume) 98,104 96,126 67,462
Proved Developed and Undeveloped Reserves (Volume) 105,109 98,104 96,126