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
2013-09-26	770337	42-311-35659	PC-Q EF #12H	SWIFT ENERGY OPERATING, LLC	DRILL	12,500	Y
2013-09-18	769496	42-311-35645	DILWORTH #35H	BHP BILLITON PET(TXLA OP) CO	DRILL	14,000	Y
2013-09-17	769863	42-311-35654	DKM #4H	CHEYENNE PETROLEUM COMPANY	DRILL	9,800	Y
2013-09-17	769862	42-311-35653	DKM #3H	CHEYENNE PETROLEUM COMPANY	DRILL	9,800	Y
2013-09-17	769860	42-311-35650	QUINTANILLA SMEF #3H	SEA EAGLE FORD, LLC	DRILL	12,600	Y
2013-09-17	769859	42-311-35652	DKM #10H	CHEYENNE PETROLEUM COMPANY	DRILL	9,800	Y
2013-09-17	769857	42-311-35651	DKM #9H	CHEYENNE PETROLEUM COMPANY	DRILL	9,800	Y
2013-09-17	769827	42-311-35649	PEELER RANCH MCM #A 4H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2013-09-17	769823	42-311-35648	PEELER RANCH MCM #A 3H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2013-09-17	769822	42-311-35647	PEELER RANCH MCM #A 1H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2013-09-17	769668	42-311-35639	ZAVISCH #A 14	WAPITI OPERATING, LLC	DRILL	11,500
2013-09-16	769568	42-311-35636	HOSKINS EFS #6H	SEA EAGLE FORD, LLC	DRILL	12,600	Y
2013-09-16	769497	42-311-35646	DILWORTH #36H	BHP BILLITON PET(TXLA OP) CO	DRILL	14,000	Y
2013-09-16	769495	42-311-35644	DILWORTH #34H	BHP BILLITON PET(TXLA OP) CO	DRILL	14,000	Y
2013-09-16	769494	42-311-35643	DILWORTH #37H	BHP BILLITON PET(TXLA OP) CO	DRILL	14,000	Y
2013-09-16	769493	42-311-35642	DILWORTH #32H	BHP BILLITON PET(TXLA OP) CO	DRILL	14,000	Y
2013-09-16	769491	42-311-35641	DILWORTH #24H	BHP BILLITON PET(TXLA OP) CO	DRILL	14,000	Y
2013-09-16	769489	42-311-35640	DILWORTH #7H	BHP BILLITON PET(TXLA OP) CO	DRILL	14,000	Y
2013-09-16	769489	42-311-35640	DILWORTH #7H	BHP BILLITON PET(TXLA OP) CO	DRILL	14,000	Y
2013-09-13	769652	42-311-35638	SAN MIGUEL RANCH EF #13H	SWIFT ENERGY OPERATING, LLC	DRILL	12,500	Y
2013-09-13	769365	42-311-35637	FORREST WHEELER 'C' #2H	COMSTOCK OIL & GAS, LP	DRILL	13,000	Y
2013-09-10	769445	42-311-35634	PRINCE MCM #I 4H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2013-09-10	769442	42-311-35633	PRINCE MCM #I 3H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2013-09-10	769441	42-311-35632	PRINCE MCM #I 1H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2013-09-10	769441	42-311-35632	PRINCE MCM #I 1H	CHESAPEAKE OPERATING, L.L.C.	DRILL	12,000	Y
2013-09-10	768643	42-311-35619	JAMBERS #40H	MURPHY EXPL. & PROD. CO. - USA	DRILL	11,973	Y
2013-09-10	768640	42-311-35635	JAMBERS #39H	MURPHY EXPL. & PROD. CO. - USA	DRILL	11,969	Y
2013-09-05	768996	42-311-35631	DILWORTH #33H	BHP BILLITON PET(TXLA OP) CO	DRILL	14,000	Y
2013-09-05	768995	42-311-35630	DILWORTH #31H	BHP BILLITON PET(TXLA OP) CO	DRILL	14,000	Y
2013-09-04	769141	42-311-35628	STS NORTH UNIT 6 #1H	HUNT OIL COMPANY	DRILL	18,000	Y
2013-09-04	767343	42-311-35590	DUSEK EFS #B 1H	SEA EAGLE FORD, LLC	DRILL	12,600	Y
2013-08-30	768644	42-311-35627	JAMBERS #41H	MURPHY EXPL. & PROD. CO. - USA	DRILL	11,955	Y
2013-08-27	768611	42-311-35624	RANCHO TRES HIJOS 'A' #5H	COMSTOCK OIL & GAS, LP	DRILL	13,000	Y
2013-08-27	768607	42-311-35623	RANCHO TRES HIJOS 'A' #4H	COMSTOCK OIL & GAS, LP	DRILL	13,000	Y
2013-08-26	768610	42-311-35626	RANCHO TRES HIJOS #10H	COMSTOCK OIL & GAS, LP	DRILL	13,000	Y
2013-08-26	768609	42-311-35625	RANCHO TRES HIJOS #9H	COMSTOCK OIL & GAS, LP	DRILL	13,000	Y
2013-08-26	768581	42-311-35622	RANCHO TRES HIJOS 'A' #3H	COMSTOCK OIL & GAS, LP	DRILL	13,000	Y
2013-08-26	768578	42-311-35621	RANCHO TRES HIJOS 'A' #2H	COMSTOCK OIL & GAS, LP	DRILL	13,000	Y
2013-08-25	768645	42-311-35620	JAMBERS #42H	MURPHY EXPL. & PROD. CO. - USA	DRILL	11,972	Y
2013-08-22	768573	42-311-35618	MORRILL RANCH #10	BURLINGTON RESOURCES O & G CO LP	DRILL	17,000	Y
2013-08-22	768572	42-311-35616	MORRILL RANCH #9	BURLINGTON RESOURCES O & G CO LP	DRILL	17,000	Y
2013-08-22	768569	42-311-35615	MORRILL RANCH #8	BURLINGTON RESOURCES O & G CO LP	DRILL	17,000	Y
2013-08-22	768563	42-311-35617	MORRILL RANCH #7	BURLINGTON RESOURCES O & G CO LP	DRILL	17,000	Y
2013-08-22	768563	42-311-35617	MORRILL RANCH #7	BURLINGTON RESOURCES O & G CO LP	DRILL	17,000	Y
2013-08-22	768523	42-311-35614	LEE WHEELER C #4	WAPITI OPERATING, LLC	DRILL	11,500
2013-08-21	768434	42-311-35611	JJ HENRY III #D 3H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2013-08-21	768425	42-311-35610	JJ HENRY III #D 2H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2013-08-21	768395	42-311-35609	JJ HENRY III #D 1H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2013-08-20	768441	42-311-35613	JJ HENRY VIII #D 5H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2013-08-20	768439	42-311-35612	JJ HENRY VIII #D 4H	CHESAPEAKE OPERATING, 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.