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 October 2025 Production

56 Producing Operators

1,524 Producing Leases On File

2,921 Producing Wells On File

10.3 k Total Wells On File

2.4 M Barrels of Oil Produced

16.5 M MCF of Gas Produced

Top Producing Operators in McMullen County, TX
Based on October 2025 Production
Operator Oil Prod (BBLS) Gas Prod (MCF) Active Leases Active Wells
BPX Operating Company 4,215,458 35,144,325 1,357 1,698
Burlington Resources O & G Co LP 5,246,850 20,706,836 1,071 1,696
Castlerock Ef Operating LLC 52,932 91,155 13 43
Caturus Energy, LLC 90,082 23,287,670 319 354
Columbus Energy, LLC 785 319,855 196 190
EOG Resources, Inc. 6,644,913 48,854,574 3,447 5,513
Gulftex Energy, LLC 446,915 894,866 83 139
Ineos USA Oil & Gas LLC 1,137,069 3,736,735 803 1,571
Javelin Energy Partners Management LLC 2,008,221 12,516,454 1,891 2,689
Marathon Oil Ef LLC 2,670,367 9,513,111 1,510 2,440
Murphy Expl. & Prod. Co. - USA 539,502 1,283,957 227 898
Remora Operating, LLC 3,222 166,343 174 169
Repsol Oil & Gas USA, LLC 370,021 4,025,076 351 450
Rosewood Resources, Inc. 370,963 2,581,286 110 141
Silverbow Resources Oper, LLC 1,062,308 13,727,785 919 1,245
Trinity Operating (Usg), LLC 338,911 6,171,196 427 613
Varas Energy Operating Company, LLC 5,199 444,582 549 608
Verdun Oil & Gas LLC 890,400 6,920,921 456 635
Verdun Oil Ef II LLC 860,493 3,256,719 489 959
XTO Energy Inc. 5,029,479 28,389,400 1,470 2,326
Top Producing Leases in McMullen County, TX
Based on October 2025 Production
Lease Operator County Oil Prod (BBLS) Gas Prod (MCF)
Donnell Lowe Pasture EOG Resources, Inc. McMullen 39,209 26,172
Express A Caturus Energy, LLC McMullen 8 419,041
Express B Caturus Energy, LLC McMullen 0 409,556
GW DG Unit 5-GW DG Unit 1 Sa 1 BPX Operating Company McMullen 33,784 233,355
GW DG Unit 5-Marlin Sa 2 BPX Operating Company McMullen 19,257 167,462
GW DG Unit 5-Marlin Sa 3 BPX Operating Company McMullen 23,781 208,104
Jambers Murphy Expl. & Prod. Co. - USA McMullen 51,775 155,796
Kuykendall Gulftex Energy, LLC McMullen 100,174 74,377
KW Unit 1-GW DG Unit 3 Sa 1 BPX Operating Company McMullen 26,353 216,410
KW Unit 1-GW DG Unit 3 Sa 2 BPX Operating Company McMullen 35,630 245,636
KW Unit 1-GW DG Unit 3 Sa 3 BPX Operating Company McMullen 33,118 261,232
Middle McCowen Marathon Oil Ef LLC Atascosa 361,999 274,475
Moonlight EOG Resources, Inc. Atascosa 48,740 32,847
Morrill Ranch Burlington Resources O & G Co LP McMullen 77,667 97,229
Plomero Ranch Burlington Resources O & G Co LP Live Oak 78,943 245,457
Ryan Island Caturus Energy, LLC McMullen 0 333,102
Ryan Island Caturus Energy, LLC McMullen 0 305,833
STS C BPX Operating Company McMullen 15,078 210,175
STS South Caturus Energy, LLC McMullen 1 417,914
Wheeler Ineos USA Oil & Gas LLC McMullen 102,581 79,382