Oil & Gas Production in McMullen County, TX

Get a high level view of well locations, operators, oil and gas production by county and recent McMullen County, TX drilling permits. DrillingEdge is making McMullen County, TX oil and gas information affordable, simple to use and easy to understand.


Want even more details on McMullen County, TX oil and gas? Subscribe now to get access to advanced mapping features, production information, well details, operator details and much more.


McMullen County, TX Oil and Gas Production Heatmap
Finally! Oil and Gas Information That's Affordable.
No contracts, cancel anytime. Gain access Oil and Gas Production data and easily find the information to give you an Edge.
McMullen County, TX Oil and Gas Production By Year
McMullen County, TX Oil and Gas Summary
Based on December 2025 Production

57 Producing Operators

1,537 Producing Leases On File

2,982 Producing Wells On File

10.3 k Total Wells On File

2.1 M Barrels of Oil Produced

15.2 M MCF of Gas Produced

Top Producing Operators in McMullen County, TX
Based on December 2025 Production
Operator Oil Prod (BBLS) Gas Prod (MCF) Active Leases Active Wells
BPX Operating Company 4,072,353 35,717,118 1,349 1,684
Burlington Resources O & G Co LP 4,551,165 18,078,803 1,058 1,718
Castlerock Ef Operating LLC 47,643 73,212 13 28
Caturus Energy, LLC 79,649 22,987,099 322 357
EOG Resources, Inc. 7,029,599 54,915,868 3,475 5,538
GTG Operating, LLC 12,154 13,667 41 209
Gulftex Energy, LLC 384,446 2,194,372 85 151
Hughes, Dan A. Company, L.P. 3,297 123,911 18 24
Ineos USA Oil & Gas LLC 1,087,622 3,457,073 803 1,555
Javelin Energy Partners Management LLC 1,906,617 8,428,984 1,880 2,686
Marathon Oil Ef LLC 2,405,854 8,213,981 1,466 2,405
Murphy Expl. & Prod. Co. - USA 700,042 1,591,735 231 908
Repsol Oil & Gas USA, LLC 344,413 3,550,369 356 459
Rosewood Resources, Inc. 480,330 3,163,196 121 149
Silverbow Resources Oper, LLC 1,265,207 14,174,248 927 1,264
Trinity Operating (Usg), LLC 327,862 5,847,252 423 609
Varas Energy Operating Company, LLC 7,710 462,403 582 644
Verdun Oil & Gas LLC 940,356 7,239,793 455 656
Verdun Oil Ef II LLC 755,410 2,891,696 480 952
XTO Energy Inc. 5,139,586 31,031,314 1,447 2,279
Top Producing Leases in McMullen County, TX
Based on December 2025 Production
Lease Operator County Oil Prod (BBLS) Gas Prod (MCF)
CCW I Gulftex Energy, LLC McMullen 2,169 553,740
Corner S Ranch EOG Resources, Inc. McMullen 34,333 15,673
Dilworth Ranch Rosewood Resources, Inc. McMullen 16,818 59,189
Donnell Lowe Pasture EOG Resources, Inc. McMullen 35,420 18,768
Gordon Trust EOG Resources, Inc. Atascosa 17,882 12,261
GW DG Unit 5-GW DG Unit 1 Sa 1 BPX Operating Company McMullen 23,911 179,728
GW DG Unit 5-Marlin Sa 3 BPX Operating Company McMullen 14,783 159,731
Jambers Murphy Expl. & Prod. Co. - USA McMullen 79,652 199,426
Kuykendall Gulftex Energy, LLC McMullen 65,103 56,457
KW Unit 1-GW DG Unit 3 Sa 1 BPX Operating Company McMullen 24,117 167,652
KW Unit 1-GW DG Unit 3 Sa 2 BPX Operating Company McMullen 20,842 174,527
KW Unit 1-GW DG Unit 3 Sa 3 BPX Operating Company McMullen 17,782 130,604
Middle McCowen Marathon Oil Ef LLC Atascosa 301,212 214,979
Moonlight EOG Resources, Inc. Atascosa 45,238 23,559
Morrill Ranch Burlington Resources O & G Co LP McMullen 63,647 92,661
Plomero Ranch Burlington Resources O & G Co LP Live Oak 59,943 218,639
Ralph Edwards Ineos USA Oil & Gas LLC McMullen 23,362 16,930
STS C BPX Operating Company McMullen 14,026 235,068
Tom Franklin A Gulftex Energy, LLC McMullen 18,141 10,210
Wheeler Ineos USA Oil & Gas LLC McMullen 89,435 72,377
Top Producing Wells in McMullen County, TX
Based on December 2025 Production
API # Well Operator County Oil Prod (BBLS) Gas Prod (MCF)
# 42-311-37614 Berry Ranch B 112H Kimmeridge Texas Gas, LLC McMullen 0 236