Oil & Gas Production in McMullen County, TX

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McMullen County, TX Oil and Gas Production By Year
McMullen County, TX Oil and Gas Summary
Based on June 2025 Production

56 Producing Operators

1,490 Producing Leases On File

2,907 Producing Wells On File

10.3 k Total Wells On File

2.5 M Barrels of Oil Produced

19.2 M MCF of Gas Produced

Top Producing Operators in McMullen County, TX
Based on June 2025 Production
Operator Oil Prod (BBLS) Gas Prod (MCF) Active Leases Active Wells
BPX Operating Company 3,188,868 30,458,781 1,319 1,608
Burlington Resources O & G Co LP 5,513,621 21,086,659 1,041 1,650
Castlerock Ef Operating LLC 65,821 99,875 13 44
EOG Resources, Inc. 6,768,917 45,880,838 3,398 5,463
Gulftex Energy, LLC 329,406 1,421,002 76 135
Hughes, Dan A. Company, L.P. 3,511 123,506 17 23
Ineos USA Oil & Gas LLC 1,112,334 3,444,267 795 1,618
Javelin Energy Partners Management LLC 2,140,412 12,503,395 2,672 3,509
Kimmeridge Texas Gas, LLC 107,770 20,270,423 309 292
Marathon Oil Ef LLC 2,959,199 10,868,374 1,539 2,458
Murphy Expl. & Prod. Co. - USA 607,240 1,497,329 237 904
Remora Operating, LLC 2,929 147,036 186 180
Repsol Oil & Gas USA, LLC 384,968 3,276,055 325 458
Rosewood Resources, Inc. 412,687 2,710,900 97 129
Silverbow Resources Oper, LLC 955,535 13,519,651 864 1,254
Trinity Operating (Usg), LLC 367,516 6,864,936 414 586
Varas Energy Operating Company, LLC 5,093 403,199 522 578
Verdun Oil & Gas LLC 887,584 6,784,149 462 615
Verdun Oil Ef II LLC 1,025,445 3,137,704 474 948
XTO Energy Inc. 5,712,507 28,834,309 1,477 2,332
Top Producing Leases in McMullen County, TX
Based on June 2025 Production
Lease Operator County Oil Prod (BBLS) Gas Prod (MCF)
Corner S Ranch EOG Resources, Inc. McMullen 45,508 28,283
Donnell Lowe Pasture EOG Resources, Inc. McMullen 50,537 33,150
GW DG Unit 5-GW DG Unit 1 Sa 1 BPX Operating Company McMullen 45,505 228,488
GW DG Unit 5-Marlin Sa 2 BPX Operating Company McMullen 42,005 232,578
GW DG Unit 5-Marlin Sa 3 BPX Operating Company McMullen 39,143 225,591
GW DG Unit 5-Marlin Sa 4 BPX Operating Company McMullen 36,735 205,320
Jambers Murphy Expl. & Prod. Co. - USA McMullen 48,936 134,885
Middle McCowen Marathon Oil Ef LLC Atascosa 436,829 307,284
Moonlight EOG Resources, Inc. Atascosa 56,509 30,390
Morrill Ranch Burlington Resources O & G Co LP McMullen 97,982 93,256
Plomero Ranch Burlington Resources O & G Co LP Live Oak 128,747 276,798
Ralph Edwards Ineos USA Oil & Gas LLC McMullen 30,481 17,189
STS C BPX Operating Company McMullen 17,936 426,909
STS C BPX Operating Company McMullen 53,431 458,220
STS C BPX Operating Company McMullen 19,505 434,668
STS C BPX Operating Company McMullen 10,901 534,104
STS C BPX Operating Company McMullen 11,157 401,176
STS C BPX Operating Company McMullen 27,762 257,317
STS C BPX Operating Company McMullen 20,983 270,721
Wheeler Ineos USA Oil & Gas LLC McMullen 37,537 32,955
Top Producing Wells in McMullen County, TX
Based on June 2025 Production
API # Well Operator County Oil Prod (BBLS) Gas Prod (MCF)
# 42-311-37560 Tom Franklin A 1H Gulftex Energy, LLC McMullen 3 0
# 42-311-37561 Tom Franklin B 2H Gulftex Energy, LLC McMullen 6,770 2,570
# 42-311-37569 Tom Franklin D 4H Gulftex Energy, LLC McMullen 8,401 2,750
# 42-311-37571 Tom Franklin F 6H Gulftex Energy, LLC McMullen 7,806 2,543
# 42-311-37543 Wheeler HC1 R 5H Ineos USA Oil & Gas LLC McMullen 18,976 9,829