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 February 2026 Production

58 Producing Operators

1,514 Producing Leases On File

2,952 Producing Wells On File

10.3 k Total Wells On File

1.6 M Barrels of Oil Produced

13.8 M MCF of Gas Produced

Top Producing Operators in McMullen County, TX
Based on February 2026 Production
Operator Oil Prod (BBLS) Gas Prod (MCF) Active Leases Active Wells
BPX Operating Company 3,628,504 35,297,803 1,380 1,690
Burlington Resources O & G Co LP 4,244,413 15,744,451 1,013 1,704
Castlerock Ef Operating LLC 39,944 58,336 14 28
Caturus Energy, LLC 61,645 20,012,633 328 368
EOG Resources, Inc. 6,506,805 46,704,264 3,479 5,552
Gulftex Energy, LLC 79,461 338,959 34 73
Hughes, Dan A. Company, L.P. 2,755 105,380 18 24
Ineos USA Oil & Gas LLC 962,744 3,154,766 829 1,577
Javelin Energy Partners Management LLC 1,609,314 7,446,902 1,861 2,659
Marathon Oil Ef LLC 2,044,752 7,215,836 1,422 2,331
Murphy Expl. & Prod. Co. - USA 627,502 1,326,523 239 931
Repsol Oil & Gas USA, LLC 278,531 3,015,884 338 445
Rickaway Energy, Corp. 6,578 17,140 19 47
Rosewood Resources, Inc. 393,905 3,040,743 128 153
Silverbow Resources Oper, LLC 1,032,164 13,390,602 943 1,279
Trinity Operating (Usg), LLC 282,346 4,983,358 427 612
Varas Energy Operating Company, LLC 5,243 349,582 592 644
Verdun Oil & Gas LLC 855,034 6,512,927 470 661
Verdun Oil Ef II LLC 735,735 2,300,244 486 956
XTO Energy Inc. 4,092,186 27,075,029 1,428 2,253
Top Producing Leases in McMullen County, TX
Based on February 2026 Production
Lease Operator County Oil Prod (BBLS) Gas Prod (MCF)
Corner S Ranch EOG Resources, Inc. McMullen 30,438 14,078
Donnell Lowe Pasture EOG Resources, Inc. McMullen 29,330 21,317
Flammenwerfer Unit Verdun Oil & Gas LLC McMullen 28,058 24,162
Gentry BPX Operating Company McMullen 10 539,277
Gentry BPX Operating Company McMullen 10 598,388
Gentry BPX Operating Company McMullen 10 640,475
Gentry BPX Operating Company McMullen 10 555,449
Gordon Trust EOG Resources, Inc. Atascosa 15,857 9,430
GW DG Unit 5-GW DG Unit 1 Sa 1 BPX Operating Company McMullen 15,401 119,217
Jambers Murphy Expl. & Prod. Co. - USA McMullen 64,290 163,571
KW Unit 1-GW DG Unit 3 Sa 1 BPX Operating Company McMullen 16,689 139,725
KW Unit 1-GW DG Unit 3 Sa 2 BPX Operating Company McMullen 11,546 151,535
KW Unit 1-GW DG Unit 3 Sa 3 BPX Operating Company McMullen 14,076 117,492
Middle McCowen Marathon Oil Ef LLC Atascosa 244,093 195,567
Moonlight EOG Resources, Inc. Atascosa 35,901 16,448
Morrill Ranch Burlington Resources O & G Co LP McMullen 39,994 41,662
Plomero Ranch Burlington Resources O & G Co LP Live Oak 41,238 177,899
Ralph Edwards Ineos USA Oil & Gas LLC McMullen 19,140 13,162
River Lowe Ranch EOG Resources, Inc. McMullen 13,585 32,746
Wheeler Ineos USA Oil & Gas LLC McMullen 72,175 64,199