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

Operators (30d)

Latest Permit

2026-07-20

All Time

8,541

8,541 permits

ISSUED	PERMIT	API	LEASE	OPERATOR	TYPE	DEPTH	HZ
2012-06-08	740706	42-311-34964	GLORIA WHEELER 'E' #1H	COMSTOCK OIL & GAS, LP	DRILL	13,500	Y
2012-06-08	740706	42-311-34964	GLORIA WHEELER 'E' #1H	COMSTOCK OIL & GAS, LP	DRILL	13,500	Y
2012-06-08	740706	42-311-34964	GLORIA WHEELER 'E' #1H	COMSTOCK OIL & GAS, LP	DRILL	13,500	Y
2012-06-06	741696	42-311-34963	PEACOCK MCM #C 1H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2012-06-04	741595	42-311-34960	POWERS #L 5H	TALISMAN ENERGY USA INC.	DRILL	11,500	Y
2012-06-04	741369	42-311-34961	D.L. RANCH #2H	MURPHY EXPL. & PROD. CO. - USA	DRILL	10,750	Y
2012-06-04	741369	42-311-34961	D.L. RANCH #2H	MURPHY EXPL. & PROD. CO. - USA	DRILL	11,099	Y
2012-06-04	741365	42-311-34962	D.L. RANCH #1H	MURPHY EXPL. & PROD. CO. - USA	DRILL	10,750	Y
2012-06-04	741365	42-311-34962	D.L. RANCH #1H	MURPHY EXPL. & PROD. CO. - USA	DRILL	11,093	Y
2012-06-04	739992	42-311-34956	THELMA-BRITE #26H	EOG RESOURCES, INC.	DRILL	11,500	Y
2012-06-04	739991	42-311-34955	THELMA-BRITE #24H	EOG RESOURCES, INC.	DRILL	11,500	Y
2012-06-04	739935	42-311-34954	THELMA-BRITE #22H	EOG RESOURCES, INC.	DRILL	11,500	Y
2012-06-02	741508	42-311-34959	MCCLAUGHERTY A EF #1H	SWIFT ENERGY OPERATING, LLC	DRILL	12,500	Y
2012-06-01	741512	42-311-34958	QUINTANILLA BALLARD #2	LAYLINE PETROLEUM I, LLC	DRILL	10,250
2012-06-01	741400	42-311-34953	BRACKEN #M 2H	TALISMAN ENERGY USA INC.	DRILL	12,500	Y
2012-06-01	741324	42-311-34951	LOWE PASTURE #10H	EOG RESOURCES, INC.	DRILL	11,500	Y
2012-05-31	741150	42-311-34948	SCARBOROUGH #1H	PETROHAWK OPERATING COMPANY	DRILL	14,000	Y
2012-05-31	741115	42-311-34946	BMLG EF #1H	SWIFT ENERGY OPERATING, LLC	DRILL	12,500	Y
2012-05-31	741115	42-311-34946	BMLG EF #1H	SWIFT ENERGY OPERATING, LLC	DRILL	12,500	Y
2012-05-31	741112	42-311-34949	CORNER S RANCH MCM #A 1H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2012-05-31	741109	42-311-34945	SILVERADO RANCH MCM #A 1H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2012-05-25	740893	42-311-34944	SILVERADO RANCH MCM #C 4H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2012-05-25	740797	42-311-34943	JJ HENRY VII #J 1H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2012-05-25	739524	42-311-34952	THELMA BRITE #20H	EOG RESOURCES, INC.	DRILL	11,000	Y
2012-05-24	740748	42-311-34942	COUNTISS UNIT II #L 2H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2012-05-23	740670	42-311-34941	SWENSON 'A' #1H	COMSTOCK OIL & GAS, LP	DRILL	13,500	Y
2012-05-23	740670	42-311-34941	SWENSON 'A' #1H	COMSTOCK OIL & GAS, LP	DRILL	13,500	Y
2012-05-23	740670	42-311-34941	SWENSON 'A' #1H	COMSTOCK OIL & GAS, LP	DRILL	13,500	Y
2012-05-23	740663	42-311-34939	QUINTANILLA ME-YOU EF #3H	SWIFT ENERGY OPERATING, LLC	DRILL	12,500	Y
2012-05-23	740661	42-311-34940	QUINTANILLA ME-YOU EF #2H	SWIFT ENERGY OPERATING, LLC	DRILL	12,500	Y
2012-05-23	740661	42-311-34940	QUINTANILLA ME-YOU EF #2H	SWIFT ENERGY OPERATING, LLC	DRILL	12,500	Y
2012-05-23	740655	42-311-34938	PEELER MCM #G 5H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2012-05-23	740655	42-311-34938	PEELER MCM #G 5H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2012-05-23	740655	42-311-34938	PEELER MCM #G 5H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2012-05-23	739769	42-311-34950	TILDEN HWY 72 #1	PYOTE WATER SYSTEMS II, LLC	DRILL	12,700
2012-05-22	740463	42-311-34935	Y BAR EF #4H	SWIFT ENERGY OPERATING, LLC	DRILL	12,500	Y
2012-05-21	740453	42-311-34936	Y BAR EF #3H	SWIFT ENERGY OPERATING, LLC	DRILL	12,500	Y
2012-05-21	738813	42-311-34937	FOUR K PARTNERS #2H	EOG RESOURCES, INC.	DRILL	10,500	Y
2012-05-18	740263	42-311-34933	LOCKE PARTNERSHIP #1H	EOG RESOURCES, INC.	DRILL	10,600	Y
2012-05-18	740216	42-311-34934	WHEELER UNIT 8 #1H	PETROHAWK OPERATING COMPANY	DRILL	14,000	Y
2012-05-17	740142	42-311-34932	JJ HENRY V #F 4H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2012-05-17	740051	42-311-34930	SWENSON 'B' #1H	COMSTOCK OIL & GAS, LP	DRILL	13,000	Y
2012-05-17	740051	42-311-34930	SWENSON #2H	COMSTOCK OIL & GAS, LP	DRILL	13,000	Y
2012-05-16	739952	42-311-34931	SP5 #1047H	BLACKBRUSH O & G, INC.	DRILL	9,500	Y
2012-05-16	739879	42-311-34929	PEELER MCM #D 4H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2012-05-16	739831	42-311-34928	NBRP EF #4H	SWIFT ENERGY OPERATING, LLC	DRILL	12,500	Y
2012-05-16	739831	42-311-34928	NBRP EF #4H	SWIFT ENERGY OPERATING, LLC	DRILL	12,500	Y
2012-05-16	739830	42-311-34926	NBRP EF #3H	SWIFT ENERGY OPERATING, LLC	DRILL	12,500	Y
2012-05-16	739830	42-311-34926	NBRP EF #3H	SWIFT ENERGY OPERATING, LLC	DRILL	12,500	Y
2012-05-16	739829	42-311-34925	NBRP EF #2H	SWIFT ENERGY OPERATING, LLC	DRILL	12,500	Y

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