Mcmullen County Drilling Permits

Every permit issued by the Texas Railroad Commission in Mcmullen County — updated daily, data through 2026-07-20.

Mcmullen County permitting is running 11 permits a month over the trailing 90 days (32 total, up 60% on the prior quarter). EOG RESOURCES, INC. leads with 29 permits in the past 12 months, one of 16 operators active in the county.

Last 30 Days

7

Operators (30d)

3

Latest Permit

2026-07-20

All Time

8,541

8,541 permits
ISSUEDPERMITAPILEASEOPERATORTYPEDEPTHHZ
2008-02-1565488442-311-34028SWAIM 40 #1CENTURY RESOURCES, INC.DRILL6,300
2008-02-1465475642-311-34027HORTON, F. B. #2HBROAD OAK ENERGY, INC.DRILL12,500Y
2008-02-1265459042-311-34026WHEELER, LEE -B- #10WELHAUSEN OPERATING COMPANY, LPDRILL11,000
2008-02-1265458442-311-34025WHEELER, LEE-B- #9WELHAUSEN OPERATING COMPANY, LPDRILL11,000
2008-02-1265458442-311-34025WHEELER, LEE-B- #9WELHAUSEN OPERATING COMPANY, LPOTHER11,000
2008-02-0965441442-311-34024SBR #242SWIFT ENERGY OPERATING, LLCDRILL12,500
2008-02-0965440642-311-34023SBR #244SWIFT ENERGY OPERATING, LLCDRILL12,500
2008-02-0965440442-311-34022SBR #243SWIFT ENERGY OPERATING, LLCDRILL12,500
2008-02-0965438042-311-34021BRACKEN #93SWIFT ENERGY OPERATING, LLCDRILL12,500
2008-02-0565384342-311-30926LOWE-DONNELL #1GULFTEX ENERGY, LLCRENTR14,516
2008-01-3165360242-311-34020BRACKEN "H" #207SWIFT ENERGY OPERATING, LLCDRILL11,500
2008-01-2865344942-311-34019RABKE HERRERA UNIT #1CENTURY RESOURCES, INC.DRILL6,300
2008-01-1765297042-311-34017GENTRY #3SWIFT ENERGY OPERATING, LLCDRILL12,500
2008-01-1765297042-311-34017GENTRY #3SWIFT ENERGY OPERATING, LLCDRILL12,500
2008-01-1765297042-311-34017GENTRY #3SWIFT ENERGY OPERATING, LLCDRILL12,500
2008-01-1765296942-311-34018BRACKEN "I" #104SWIFT ENERGY OPERATING, LLCDRILL12,500
2008-01-0765220142-311-34016KASSNER #4CENTURY RESOURCES, INC.DRILL6,200
2008-01-0765220042-311-34015RABKE #4CENTURY RESOURCES, INC.DRILL6,300
2008-01-0365204742-311-34013WHITEHURST #13SWIFT ENERGY OPERATING, LLCDRILL12,500
2007-12-2865205342-311-34014G. L. HAYES #2BROAD OAK ENERGY, INC.DRILL12,500
2007-12-1265082142-311-34012RABKE, HENRY #3CENTURY RESOURCES, INC.DRILL6,300
2007-11-1964911042-311-34011RECTIFIER: TJ MARTIN #T000JMTEXAS EASTERN TRANSMISSION, LPDRILL420
2007-11-0764886442-311-34010BAKER 1 #1ABACO OPERATING, LLCDRILL13,000
2007-11-0564850142-311-33576FRANKLIN, MURRAY ESTATE #1HACOCK OPERATING LIMITEDRECOMP12,800Y
2007-11-0564850142-311-33576FRANKLIN, MURRAY ESTATE #1HACOCK OPERATING LIMITEDRECOMP12,800Y
2007-10-2964669242-311-32197WHEELER #3TEXCAL ENERGY (GP) LLCRECOMP9,200
2007-10-2664821742-311-34009GENTRY #2SWIFT ENERGY OPERATING, LLCDRILL12,500
2007-10-2664821342-311-34008GENTRY #1SWIFT ENERGY OPERATING, LLCDRILL12,500
2007-10-2664662342-311-32164WHEELER #2TEXCAL ENERGY (GP) LLCRECOMP9,374
2007-10-1864769342-311-33863SWAIM 58 #1CENTURY RESOURCES, INC.RECOMP6,300
2007-10-1064724242-311-34007R. BRACKEN #27SWIFT ENERGY OPERATING, LLCDRILL12,500
2007-10-0964723342-311-34006BRACKEN #91SWIFT ENERGY OPERATING, LLCDRILL12,500
2007-10-0864720242-311-34005WHEELER, KAREN #5WELHAUSEN OPERATING COMPANY, LPDRILL11,000
2007-09-2864674942-311-34004SBR #240SWIFT ENERGY OPERATING, LLCDRILL12,500
2007-09-2864674942-311-34004SBR #240SWIFT ENERGY OPERATING, LLCDRILL12,500
2007-09-2764661642-311-34003MARTIN, T. J. #1SMITH PRODUCTION INC.DRILL19,000
2007-09-2664636042-311-34001BRACKEN "B" #3070SWIFT ENERGY OPERATING, LLCDRILL12,500
2007-09-2564636442-311-34002BRACKEN #92SWIFT ENERGY OPERATING, LLCDRILL12,500
2007-09-2164631242-311-34000QUINTANILLA -B- #B 2WELHAUSEN OPERATING COMPANY, LPDRILL10,000
2007-09-1864604742-311-33999COE, EVA #1NEWGULF PETROLEUM, LLCDRILL6,500
2007-09-1764589242-311-33994BRACKEN "C" #2093SWIFT ENERGY OPERATING, LLCDRILL12,500
2007-09-1464592542-311-33997SBR #241SWIFT ENERGY OPERATING, LLCDRILL12,500
2007-09-1464591842-311-33998SBR #238SWIFT ENERGY OPERATING, LLCDRILL12,500
2007-09-1464590342-311-33996R. BRACKEN #25SWIFT ENERGY OPERATING, LLCDRILL12,500
2007-09-1464589942-311-33995R. BRACKEN #26SWIFT ENERGY OPERATING, LLCDRILL12,500
2007-09-1464583842-311-33993STS #1667BLACKBRUSH O & G, INC.DRILL9,500
2007-09-1464577842-311-33992MORRILL #6AOMEGA ENERGY CORP.DRILL7,000
2007-09-1264569742-311-33991WHITEHURST #12SWIFT ENERGY OPERATING, LLCDRILL12,500
2007-09-1264569642-311-33990BRACKEN "I" #103SWIFT ENERGY OPERATING, LLCDRILL12,500
2007-09-1164567542-311-33989POWERS-SWAIM UNIT #1RCENTURY RESOURCES, INC.DRILL6,500
page 96 of 171

Source: Texas Railroad Commission drilling permit master (OGA049M), refreshed daily. See also operators in Mcmullen County.