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 23% 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
2013-06-20	764247	42-311-35495	RANCHO TRES HIJOS #6H	COMSTOCK OIL & GAS, LP	DRILL	13,000	Y
2013-06-20	764247	42-311-35495	RANCHO TRES HIJOS #6H	COMSTOCK OIL & GAS, LP	DRILL	13,000	Y
2013-06-18	764561	42-311-34900	PEELER EFS #1H	SEA EAGLE FORD, LLC	RECOMP	16,000	Y
2013-06-17	764191	42-311-35494	RANCHO TRES HIJOS #5H	COMSTOCK OIL & GAS, LP	DRILL	13,000	Y
2013-06-17	764191	42-311-35494	RANCHO TRES HIJOS #5H	COMSTOCK OIL & GAS, LP	DRILL	13,000	Y
2013-06-17	764174	42-311-35493	GRAN TORINO A #11H	ABRAXAS PETROLEUM CORPORATION	DRILL	10,500	Y
2013-06-17	764169	42-311-35492	RANCHO TRES HIJOS #4H	COMSTOCK OIL & GAS, LP	DRILL	13,000	Y
2013-06-17	764169	42-311-35492	RANCHO TRES HIJOS #4H	COMSTOCK OIL & GAS, LP	DRILL	13,000	Y
2013-06-17	764168	42-311-35491	RANCHO TRES HIJOS #3H	COMSTOCK OIL & GAS, LP	DRILL	13,000	Y
2013-06-17	764168	42-311-35491	RANCHO TRES HIJOS #3H	COMSTOCK OIL & GAS, LP	DRILL	13,000	Y
2013-06-17	763992	42-311-35485	DONNELL A #31H	PETROHAWK OPERATING COMPANY	DRILL	14,000	Y
2013-06-13	764196	42-311-35488	LARK RANCH #C 2H	STATOIL TEXAS ONSHORE PROP LLC	DRILL	11,600	Y
2013-06-13	764001	42-311-35482	JJ HENRY UNIT I #A 2H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2013-06-13	763995	42-311-35486	DONNELL A #32H	PETROHAWK OPERATING COMPANY	DRILL	14,000	Y
2013-06-13	763820	42-311-35490	HILL 'B' #6H	COMSTOCK OIL & GAS, LP	DRILL	13,000	Y
2013-06-12	764195	42-311-35487	LARK RANCH #C 1H	STATOIL TEXAS ONSHORE PROP LLC	DRILL	11,500	Y
2013-06-11	763984	42-311-35489	HWY 624 RECTIFIER #H624WY	TEXAS EASTERN TRANSMISSION, LP	DRILL	520
2013-06-11	763893	42-311-35479	QUINTANILLA SMEF #2H	SEA EAGLE FORD, LLC	DRILL	10,800	Y
2013-06-11	763579	42-311-35473	NAYLOR JONES UNIT 42 #2H	EOG RESOURCES, INC.	DRILL	12,000	Y
2013-06-11	763575	42-311-35471	NAYLOR JONES UNIT 42 #1H	EOG RESOURCES, INC.	DRILL	12,000	Y
2013-06-11	763571	42-311-35470	NAYLOR JONES UNIT 60 #2H	EOG RESOURCES, INC.	DRILL	12,000	Y
2013-06-07	764006	42-311-35484	JJ HENRY UNIT I #A 4H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2013-06-07	764006	42-311-35484	JJ HENRY UNIT I #A 4H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2013-06-07	764002	42-311-35483	JJ HENRY UNIT I #A 3H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2013-06-07	763943	42-311-35480	TEP RHODES RANCH RECTIFIER #P000RR	TEXAS EASTERN TRANSMISSION, LP	DRILL	520
2013-06-07	763890	42-311-35481	LANGE E EFS #1H	SEA EAGLE FORD, LLC	DRILL	10,800	Y
2013-06-07	763890	42-311-35481	LANGE E EFS #1H	SEA EAGLE FORD, LLC	DRILL	12,600	Y
2013-06-07	763872	42-311-35478	G.L. HAYES EF #6H	SWIFT ENERGY OPERATING, LLC	DRILL	12,500	Y
2013-06-07	763870	42-311-35477	G.L. HAYES EF #5H	SWIFT ENERGY OPERATING, LLC	DRILL	12,500	Y
2013-06-07	763802	42-311-35476	SMR JV EF #5H	SWIFT ENERGY OPERATING, LLC	DRILL	12,500	Y
2013-06-05	763743	42-311-35474	PC-Q EF #11H	SWIFT ENERGY OPERATING, LLC	DRILL	12,500	Y
2013-06-04	763703	42-311-35472	J J HENRY UNIT II #A 5H	CHESAPEAKE OPERATING, INC.	DRILL	14,000	Y
2013-06-04	763703	42-311-35472	J J HENRY II #A 5H	CHESAPEAKE OPERATING, INC.	DRILL	14,000	Y
2013-06-03	763525	42-311-35469	SAYLEE SOUTH #8H	MURPHY EXPL. & PROD. CO. - USA	DRILL	11,500	Y
2013-06-03	763524	42-311-35468	SAYLEE SOUTH #7H	MURPHY EXPL. & PROD. CO. - USA	DRILL	11,500	Y
2013-05-31	762512	42-311-35446	PEELER EFS #2H	SEA EAGLE FORD, LLC	DRILL	10,800	Y
2013-05-30	763404	42-311-35467	STS UNIT A #1017H	BLACKBRUSH O & G, LLC	DRILL	9,500	Y
2013-05-30	763404	42-311-35467	STS AW A #1017H	BLACKBRUSH O & G, LLC	DRILL	9,500	Y
2013-05-29	763282	42-311-35465	MARTIN MASON UNIT P #2H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2013-05-29	763282	42-311-35465	MARTIN MASON UNIT P #2H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2013-05-28	762909	42-311-35466	GLORIA WHEELER 'D' #2H	COMSTOCK OIL & GAS, LP	DRILL	13,000	Y
2013-05-22	762931	42-311-35462	SP5 #1016H	BLACKBRUSH O & G, LLC	DRILL	9,500	Y
2013-05-22	762560	42-311-35464	DONNELL B #6H	PETROHAWK OPERATING COMPANY	DRILL	14,000	Y
2013-05-22	762560	42-311-35464	DONNELL B #6H	BHP BILLITON PET(TXLA OP) CO	DRILL	14,000	Y
2013-05-22	762560	42-311-35464	DONNELL B #6H	BHP BILLITON PET(TXLA OP) CO	DRILL	14,000	Y
2013-05-22	762557	42-311-35463	DONNELL B #5H	PETROHAWK OPERATING COMPANY	DRILL	14,000	Y
2013-05-22	762557	42-311-35463	DONNELL B #5H	BHP BILLITON PET(TXLA OP) CO	DRILL	14,000	Y
2013-05-21	762514	42-311-35461	KAREN WHEELER #9H	PETROHAWK OPERATING COMPANY	DRILL	14,000	Y
2013-05-21	762513	42-311-35460	KAREN WHEELER #8H	PETROHAWK OPERATING COMPANY	DRILL	14,000	Y
2013-05-21	762510	42-311-35459	KAREN WHEELER #3H	PETROHAWK OPERATING COMPANY	DRILL	14,000	Y

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