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 March 2026 Production

58 Producing Operators

1,563 Producing Leases On File

2,933 Producing Wells On File

10.3 k Total Wells On File

2.1 M Barrels of Oil Produced

17.8 M MCF of Gas Produced

Top Producing Operators in McMullen County, TX
Based on March 2026 Production
Operator Oil Prod (BBLS) Gas Prod (MCF) Active Leases Active Wells
BPX Operating Company 4,219,792 39,525,509 1,370 1,694
Burlington Resources O & G Co LP 4,807,129 17,713,342 1,018 1,752
Castlerock Ef Operating LLC 44,769 71,671 14 29
Caturus Energy, LLC 68,584 24,680,028 337 376
EOG Resources, Inc. 7,098,542 48,828,319 3,542 5,646
Gulftex Energy, LLC 306,473 2,389,641 87 151
Hughes, Dan A. Company, L.P. 3,023 109,107 17 23
Ineos USA Oil & Gas LLC 1,027,095 3,486,311 831 1,481
Javelin Energy Partners Management LLC 1,817,726 8,187,713 1,882 2,684
Marathon Oil Ef LLC 2,282,868 8,482,418 1,444 2,336
Murphy Expl. & Prod. Co. - USA 723,078 1,545,838 239 934
Repsol Oil & Gas USA, LLC 286,638 3,063,334 331 457
Rickaway Energy, Corp. 6,819 13,090 16 43
Rosewood Resources, Inc. 432,496 3,514,126 126 158
Silverbow Resources Oper, LLC 1,032,560 14,049,667 28 68
Trinity Operating (Usg), LLC 302,391 5,390,875 425 613
Varas Energy Operating Company, LLC 5,983 411,742 594 673
Verdun Oil & Gas LLC 970,187 7,150,168 474 662
Verdun Oil Ef II LLC 865,649 2,882,666 490 960
XTO Energy Inc. 4,545,654 31,616,586 1,462 2,277
Top Producing Leases in McMullen County, TX
Based on March 2026 Production
Lease Operator County Oil Prod (BBLS) Gas Prod (MCF)
Berry Ranch A Caturus Energy, LLC McMullen 0 593,153
Corner S Ranch EOG Resources, Inc. McMullen 31,930 13,382
Donnell Lowe Pasture EOG Resources, Inc. McMullen 28,856 25,231
Flammenwerfer Unit Verdun Oil & Gas LLC McMullen 81,895 107,531
Gentry BPX Operating Company McMullen 1 675,252
Gentry BPX Operating Company McMullen 0 646,093
Gentry BPX Operating Company McMullen 5 661,198
Gentry BPX Operating Company McMullen 0 660,777
Jambers Murphy Expl. & Prod. Co. - USA McMullen 71,063 186,677
Kuykendall Gulftex Energy, LLC McMullen 46,826 38,317
Middle McCowen Marathon Oil Ef LLC Atascosa 292,490 232,960
Moonlight EOG Resources, Inc. Atascosa 43,886 19,703
Morrill Ranch Burlington Resources O & G Co LP McMullen 53,887 85,651
Palisades B EOG Resources, Inc. McMullen 25,006 23,578
Palisades C EOG Resources, Inc. McMullen 30,931 29,665
Palisades D EOG Resources, Inc. McMullen 40,154 34,919
Palisades E EOG Resources, Inc. McMullen 27,378 27,627
Palisades F EOG Resources, Inc. McMullen 37,805 35,809
Plomero Ranch Burlington Resources O & G Co LP Live Oak 43,495 164,218
Wheeler Ineos USA Oil & Gas LLC McMullen 72,050 65,604
Top Producing Wells in McMullen County, TX
Based on March 2026 Production
API # Well Operator County Oil Prod (BBLS) Gas Prod (MCF)
# 42-311-37617 Morrill Ranch 32 Burlington Resources O & G Co LP McMullen 14,337 8,485
# 42-311-37618 Morrill Ranch 33 Burlington Resources O & G Co LP McMullen 13,813 6,006
# 42-311-37619 Morrill Ranch 34 Burlington Resources O & G Co LP McMullen 15,761 6,789
# 42-311-37620 Morrill Ranch 35 Burlington Resources O & G Co LP McMullen 14,391 6,195