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 January 2026 Production

56 Producing Operators

1,489 Producing Leases On File

2,888 Producing Wells On File

10.3 k Total Wells On File

2 M Barrels of Oil Produced

15 M MCF of Gas Produced

Top Producing Operators in McMullen County, TX
Based on January 2026 Production
Operator Oil Prod (BBLS) Gas Prod (MCF) Active Leases Active Wells
BPX Operating Company 4,128,246 36,775,225 1,364 1,683
Burlington Resources O & G Co LP 4,309,854 16,778,642 1,018 1,690
Castlerock Ef Operating LLC 46,075 58,062 13 28
Caturus Energy, LLC 69,862 22,905,472 327 365
EOG Resources, Inc. 7,261,399 54,551,559 3,480 5,561
Gulftex Energy, LLC 349,571 2,645,525 87 153
Hughes, Dan A. Company, L.P. 2,068 123,309 18 24
Ineos USA Oil & Gas LLC 1,068,338 3,383,998 812 1,565
Javelin Energy Partners Management LLC 1,755,684 7,860,710 1,877 2,683
Marathon Oil Ef LLC 2,387,837 7,848,610 1,457 2,386
Murphy Expl. & Prod. Co. - USA 616,202 1,427,502 236 922
Repsol Oil & Gas USA, LLC 1,184,298 4,397,711 356 459
Rosewood Resources, Inc. 459,002 3,622,228 123 151
Silverbow Resources Oper, LLC 1,195,468 13,808,104 935 1,273
Trinity Operating (Usg), LLC 308,215 5,611,578 421 608
Varas Energy Operating Company, LLC 7,270 401,914 558 622
Verdun Oil & Gas LLC 971,437 7,734,844 479 681
Verdun Oil Ef II LLC 792,585 2,999,157 483 955
WR Resources, LLC 2,088 0 5 50
XTO Energy Inc. 4,420,769 28,292,642 1,448 2,258
Top Producing Leases in McMullen County, TX
Based on January 2026 Production
Lease Operator County Oil Prod (BBLS) Gas Prod (MCF)
CCW I Gulftex Energy, LLC McMullen 2,188 563,152
Corner S Ranch EOG Resources, Inc. McMullen 33,881 13,858
Dilworth Ranch Rosewood Resources, Inc. McMullen 15,728 55,386
Donnell Lowe Pasture EOG Resources, Inc. McMullen 30,734 19,721
Gordon Trust EOG Resources, Inc. Atascosa 16,866 11,142
GW DG Unit 5-GW DG Unit 1 Sa 1 BPX Operating Company McMullen 14,807 142,217
Jambers Murphy Expl. & Prod. Co. - USA McMullen 71,044 177,736
Kuykendall Gulftex Energy, LLC McMullen 58,837 48,727
KW Unit 1-GW DG Unit 3 Sa 1 BPX Operating Company McMullen 17,895 139,992
KW Unit 1-GW DG Unit 3 Sa 2 BPX Operating Company McMullen 14,240 151,849
KW Unit 1-GW DG Unit 3 Sa 3 BPX Operating Company McMullen 13,846 106,972
Middle McCowen Marathon Oil Ef LLC Atascosa 275,626 199,823
Moonlight EOG Resources, Inc. Atascosa 44,521 20,282
Morrill Ranch Burlington Resources O & G Co LP McMullen 46,768 56,890
Plomero Ranch Burlington Resources O & G Co LP Live Oak 54,319 207,449
Powers Repsol Oil & Gas USA, LLC McMullen 37,714 80,225
Prince MCM Ineos USA Oil & Gas LLC McMullen 16,129 23,384
Ralph Edwards Ineos USA Oil & Gas LLC McMullen 21,024 16,285
STS C BPX Operating Company McMullen 11,094 207,407
Wheeler Ineos USA Oil & Gas LLC McMullen 83,165 68,788