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 July 2025 Production

57 Producing Operators

1,453 Producing Leases On File

2,892 Producing Wells On File

10.3 k Total Wells On File

2.4 M Barrels of Oil Produced

19.5 M MCF of Gas Produced

Top Producing Operators in McMullen County, TX
Based on July 2025 Production
Operator Oil Prod (BBLS) Gas Prod (MCF) Active Leases Active Wells
BPX Operating Company 5,008,409 39,531,588 1,368 1,668
Burlington Resources O & G Co LP 5,932,701 21,681,715 1,052 1,675
Castlerock Ef Operating LLC 62,648 108,371 13 44
EOG Resources, Inc. 6,909,384 48,458,705 3,411 5,518
Gulftex Energy, LLC 297,956 1,265,712 78 138
Hughes, Dan A. Company, L.P. 3,471 124,333 17 23
Ineos USA Oil & Gas LLC 1,145,336 3,637,608 805 1,622
Javelin Energy Partners Management LLC 2,264,338 12,878,691 2,678 3,517
Kimmeridge Texas Gas, LLC 100,128 19,600,056 0 9
Marathon Oil Ef LLC 3,005,092 10,653,628 1,500 2,416
Murphy Expl. & Prod. Co. - USA 632,163 1,558,846 228 889
Remora Operating, LLC 2,597 163,021 178 174
Repsol Oil & Gas USA, LLC 433,260 5,058,973 338 463
Rosewood Resources, Inc. 430,253 3,260,614 99 133
Silverbow Resources Oper, LLC 934,966 13,875,659 863 1,210
Trinity Operating (Usg), LLC 370,959 6,728,571 430 613
Varas Energy Operating Company, LLC 4,747 409,491 515 563
Verdun Oil & Gas LLC 930,003 6,953,506 468 637
Verdun Oil Ef II LLC 970,944 3,310,627 481 947
XTO Energy Inc. 5,759,798 30,446,883 1,477 2,300
Top Producing Leases in McMullen County, TX
Based on July 2025 Production
Lease Operator County Oil Prod (BBLS) Gas Prod (MCF)
Corner S Ranch EOG Resources, Inc. McMullen 43,534 28,741
Donnell Lowe Pasture EOG Resources, Inc. McMullen 47,627 39,323
Express A Caturus Energy, LLC McMullen 0 595,576
Express B Caturus Energy, LLC McMullen 0 596,791
GW DG Unit 5-GW DG Unit 1 Sa 1 BPX Operating Company McMullen 59,168 309,793
GW DG Unit 5-Marlin Sa 2 BPX Operating Company McMullen 51,297 303,514
GW DG Unit 5-Marlin Sa 3 BPX Operating Company McMullen 49,971 306,817
GW DG Unit 5-Marlin Sa 4 BPX Operating Company McMullen 49,588 307,799
Jambers Murphy Expl. & Prod. Co. - USA McMullen 50,326 143,387
Middle McCowen Marathon Oil Ef LLC Atascosa 447,442 291,689
Moonlight EOG Resources, Inc. Atascosa 51,953 24,974
Morrill Ranch Burlington Resources O & G Co LP McMullen 89,027 96,652
Plomero Ranch Burlington Resources O & G Co LP Live Oak 111,175 270,824
Ralph Edwards Ineos USA Oil & Gas LLC McMullen 28,816 17,302
STS C BPX Operating Company McMullen 8,373 480,155
STS C BPX Operating Company McMullen 14,929 372,807
STS C BPX Operating Company McMullen 18,139 223,150
STS C BPX Operating Company McMullen 13,741 382,847
STS C BPX Operating Company McMullen 40,931 433,421
Wheeler Ineos USA Oil & Gas LLC McMullen 36,330 34,882
Top Producing Wells in McMullen County, TX
Based on July 2025 Production
API # Well Operator County Oil Prod (BBLS) Gas Prod (MCF)
# 42-311-37599 STS South DW 106H Kimmeridge Texas Gas, LLC McMullen 168 142
# 42-311-37560 Tom Franklin A 1H Gulftex Energy, LLC McMullen 35,780 15,840
# 42-311-37561 Tom Franklin B 2H Gulftex Energy, LLC McMullen 35,195 16,121
# 42-311-37568 Tom Franklin C 3H Gulftex Energy, LLC McMullen 38,885 16,830
# 42-311-37569 Tom Franklin D 4H Gulftex Energy, LLC McMullen 36,730 16,295
# 42-311-37570 Tom Franklin E 5H Gulftex Energy, LLC McMullen 41,977 19,019
# 42-311-37571 Tom Franklin F 6H Gulftex Energy, LLC McMullen 33,251 15,706