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
2012-03-20	735564	42-311-34805	MCKENZIE UNIT H H #2H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2012-03-20	735562	42-311-34804	MCKENZIE H #1H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2012-03-20	735553	42-311-34806	FRANCES DILWORTH #Y 2H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2012-03-20	735553	42-311-34806	FRANCES DILWORTH #Y 2H	CHESAPEAKE OPERATING, L.L.C.	DRILL	12,000	Y
2012-03-16	735514	42-311-34803	GENTRY #2H	PETROHAWK OPERATING COMPANY	DRILL	14,000	Y
2012-03-16	735180	42-311-34798	FRANCES DILWORTH #W 4H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2012-03-16	735180	42-311-34798	FRANCES DILWORTH #W 4H	CHESAPEAKE OPERATING, L.L.C.	DRILL	12,000	Y
2012-03-15	735264	42-311-34801	JAMBERS #8H	MURPHY EXPL. & PROD. CO. - USA	DRILL	10,843	Y
2012-03-15	735262	42-311-34800	JAMBERS #7H	MURPHY EXPL. & PROD. CO. - USA	DRILL	10,843	Y
2012-03-14	735444	42-311-34802	RANCHO LAGO VISTA #3H	PETROHAWK OPERATING COMPANY	DRILL	14,000	Y
2012-03-14	735259	42-311-34799	JAMBERS #6H	MURPHY EXPL. & PROD. CO. - USA	DRILL	10,732	Y
2012-03-13	735071	42-311-34796	JAMBERS #5H	MURPHY EXPL. & PROD. CO. - USA	DRILL	10,732	Y
2012-03-12	734970	42-311-34795	HUBBERD #3H	COMSTOCK OIL & GAS, LP	DRILL	10,500	Y
2012-03-12	734968	42-311-34794	HUBBERD #1H	COMSTOCK OIL & GAS, LP	DRILL	10,500	Y
2012-03-12	734968	42-311-34794	HUBBERD #1H	COMSTOCK OIL & GAS, LP	DRILL	10,500	Y
2012-03-12	734911	42-311-34793	HUBBERD 'A' #1H	COMSTOCK OIL & GAS, LP	DRILL	10,500	Y
2012-03-08	734622	42-311-34792	HUBBERD #2H	COMSTOCK OIL & GAS, LP	DRILL	10,500	Y
2012-03-02	734233	42-311-34791	KETCHBAW UNIT 1 #1H	MURPHY EXPL. & PROD. CO. - USA	DRILL	10,801	Y
2012-03-02	734223	42-311-34790	HAYES UNIT #1H	MURPHY EXPL. & PROD. CO. - USA	DRILL	10,801	Y
2012-03-01	733922	42-311-34787	COUNTISS UNIT I #N 1H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2012-02-28	734355	42-311-34789	HUNDLEY #10H	EOG RESOURCES, INC.	DRILL	11,000	Y
2012-02-28	734041	42-311-34788	WHITEHURST #4H	SWIFT ENERGY OPERATING, LLC	DRILL	12,500	Y
2012-02-23	733608	42-311-34786	ALLEN MCM #C 2H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2012-02-21	733510	42-311-34785	GLASS UNIT 1 #1H	PETROHAWK OPERATING COMPANY	DRILL	14,000	Y
2012-02-21	733411	42-311-34784	WHEELER 3 #1H	PETROHAWK OPERATING COMPANY	DRILL	14,000	Y
2012-02-21	733411	42-311-34784	WHEELER 3 #1H	BHP BILLITON PET(TXLA OP) CO	DRILL	14,000	Y
2012-02-18	733457	42-311-34783	BRACKEN #E 1H	TALISMAN ENERGY USA INC.	DRILL	12,000	Y
2012-02-18	733457	42-311-34783	BRACKEN #E 1H	TALISMAN ENERGY USA INC.	DRILL	12,000	Y
2012-02-16	733242	42-311-34782	BRACKEN #E 2H	TALISMAN ENERGY USA INC.	DRILL	12,000	Y
2012-02-16	733242	42-311-34782	BRACKEN #E 2H	TALISMAN ENERGY USA INC.	DRILL	12,000	Y
2012-02-14	733110	42-311-34781	HOUSE UNIT 1 #1H	PETROHAWK OPERATING COMPANY	DRILL	14,000	Y
2012-02-14	732782	42-311-34778	ANTHONY FOREST PRODUCTS #10H	SWIFT ENERGY OPERATING, LLC	DRILL	13,500	Y
2012-02-10	732845	42-311-34779	WOOD UNIT 1 #1H	PETROHAWK OPERATING COMPANY	DRILL	14,000	Y
2012-02-10	731867	42-311-34780	TYLER UNIT A #5H	MURPHY EXPL. & PROD. CO. - USA	DRILL	10,763	Y
2012-02-10	731867	42-311-34780	TYLER UNIT A #5H	MURPHY EXPL. & PROD. CO. - USA	DRILL	10,763	Y
2012-02-09	732559	42-311-34777	GREEN SWAIM #C 1H	TALISMAN ENERGY USA INC.	DRILL	11,250	Y
2012-02-07	732552	42-311-34776	GREEN SWAIM #C 2H	TALISMAN ENERGY USA INC.	DRILL	11,250	Y
2012-02-03	732464	42-311-34775	GENTRY #9H	PETROHAWK OPERATING COMPANY	DRILL	14,000	Y
2012-01-31	732223	42-311-34774	DILWORTH #4H	PETROHAWK OPERATING COMPANY	DRILL	14,000	Y
2012-01-30	732168	42-311-34773	SIDDONS OL #5H	SWIFT ENERGY OPERATING, LLC	DRILL	13,500	Y
2012-01-30	732168	42-311-34773	SIDDONS OL #5H	SWIFT ENERGY OPERATING, LLC	DRILL	13,500	Y
2012-01-30	732167	42-311-34772	SIDDONS OL #4H	SWIFT ENERGY OPERATING, LLC	DRILL	13,500	Y
2012-01-30	731886	42-311-34763	MORRILL RANCH #2	BURLINGTON RESOURCES O & G CO LP	DRILL	11,400	Y
2012-01-30	731886	42-311-34763	MORRILL RANCH #2	BURLINGTON RESOURCES O & G CO LP	DRILL	11,400	Y
2012-01-30	731886	42-311-34763	MORRILL RANCH #2	BURLINGTON RESOURCES O & G CO LP	DRILL	11,400	Y
2012-01-27	731994	42-311-34771	Y-BAR #5H	MURPHY EXPL. & PROD. CO. - USA	DRILL	9,684	Y
2012-01-27	731993	42-311-34770	Y-BAR #4H	MURPHY EXPL. & PROD. CO. - USA	DRILL	9,589	Y
2012-01-27	731988	42-311-34768	Y-BAR #3H	MURPHY EXPL. & PROD. CO. - USA	DRILL	9,649	Y
2012-01-27	731985	42-311-34769	Y-BAR #2H	MURPHY EXPL. & PROD. CO. - USA	DRILL	9,554	Y
2012-01-27	731745	42-311-34767	Y BAR RANCH #C 2H	TALISMAN ENERGY USA INC.	DRILL	12,000	Y

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