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)

v3.24.0.1
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, 2023
Boe
bbl
MMcf
Dec. 31, 2022
Boe
bbl
MMcf
Dec. 31, 2021
Boe
bbl
MMcf
Proved developed and undeveloped reserves (Energy):      
Beginning of period | Boe 479,525 484,621 475,879
Extensions and discoveries | Boe 68,005 67,961 36,180
Revisions to previous estimates | Boe (10,800) 31,645 14,181
Purchase of reserves in place | Boe 55,352 0 57,652
Sale of reserves in place | Boe (65,759) (3,359) (36,015)
Production | Boe (37,587) (38,053) (34,894)
Removed for five-year rule | Boe (42,099) 0 0
End of period | Boe 433,510 479,525 484,621
Proved developed reserves      
Beginning of period, MBOE proved developed | Boe 293,200 273,983 211,925
End of period, MBOE proved developed | Boe 278,467 293,200 273,983
Beginning of periodic, MBOE proved developed | Boe 186,325 210,638 263,954
End of period, MBOE proved developed | Boe 155,043 186,325 210,638
Proved developed and undeveloped reserve, net (energy), period increase (decrease) | Boe (46,000) (5,100) 8,700
PUD Locations      
Proved developed and undeveloped reserves (Energy):      
Sale of reserves in place | Boe (42,100)    
Commodity - Oil      
Proved developed and undeveloped reserves:      
Beginning of period 275,609 290,296 289,487
Extensions and discoveries 40,684 41,064 22,520
Revisions to previous estimates (28,278) (31,163) (10,514)
Purchase of reserves in place 38,731 0 35,045
Sales of reserves in place (47,336) (949) (24,019)
Removed for five-year rule (18,259) 0 0
Production (21,891) (23,639) (22,223)
End of period 239,260 275,609 290,296
Proved developed reserves      
Beginning of period, proved developed 170,866 162,886 128,923
End of period, proved developed 149,898 170,866 162,886
Beginning of period, proved undeveloped 104,743 127,410 160,564
End of period, proved undeveloped 89,362 104,743 127,410
Proved Developed and Undeveloped Reserves (Volume) 275,609 290,296 289,487
Proved Developed and Undeveloped Reserves (Volume) 239,260 275,609 290,296
Natural gas      
Proved developed and undeveloped reserves:      
Beginning of period | MMcf 592,843 577,327 541,598
Extensions and discoveries | MMcf 75,616 75,801 37,896
Revisions to previous estimates | MMcf 24,206 (11,155) (3,389)
Purchase of reserves in place | MMcf 42,802 0 73,445
Sales of reserves in place | MMcf (53,317) (7,503) (34,837)
Removed for five-year rule | MMcf (74,548) 0 0
Production | MMcf (46,109) (41,627) (37,386)
End of period | MMcf 561,493 592,843 577,327
Proved developed reserves      
Beginning of period, proved developed | MMcf 351,278 332,266 238,119
End of period, proved developed | MMcf 376,070 351,278 332,266
Beginning of period, proved undeveloped | MMcf 241,565 245,061 303,479
End of period, proved undeveloped | MMcf 185,423 241,565 245,061
Proved Developed and Undeveloped Reserves (Volume) | MMcf 592,843 577,327 541,598
Proved Developed and Undeveloped Reserves (Volume) | MMcf 561,493 592,843 577,327
Natural gas liquids      
Proved developed and undeveloped reserves:      
Beginning of period 105,109 98,104 96,126
Extensions and discoveries 14,718 14,264 7,345
Revisions to previous estimates 317 1,376 (3,103)
Purchase of reserves in place 9,487 0 10,366
Sales of reserves in place (9,537) (1,159) (6,191)
Removed for five-year rule (11,415) 0 0
Production (8,011) (7,476) (6,439)
End of period 100,668 105,109 98,104
Proved developed reserves      
Beginning of period, proved developed 63,788 55,720 43,315
End of period, proved developed 65,891 63,788 55,720
Beginning of period, proved undeveloped | MMcf 41,321 42,384 52,811
End of period, proved undeveloped | MMcf 34,777 41,321 42,384
Proved Developed and Undeveloped Reserves (Volume) 105,109 98,104 96,126
Proved Developed and Undeveloped Reserves (Volume) 100,668 105,109 98,104