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
2013-08-19	768255	42-311-35608	HILL SA #1H	COMSTOCK OIL & GAS, LP	DRILL	13,000	Y
2013-08-19	767987	42-311-35598	BARING #9H	MURPHY EXPL. & PROD. CO. - USA	DRILL	10,600	Y
2013-08-16	768299	42-311-34285	SAN MIGUEL RANCH EF #2H	SWIFT ENERGY OPERATING, LLC	FLD-XFR	16,000	Y
2013-08-16	768298	42-311-34197	SAN MIGUEL RANCH EF #1H	SWIFT ENERGY OPERATING, LLC	FLD-XFR	17,000	Y
2013-08-16	768232	42-311-35607	PEELER MCM #J 1H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2013-08-16	768232	42-311-35607	PEELER MCM #J 1H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2013-08-15	767961	42-311-35606	DONNELL MINERALS 1 UNIT #5H	BHP BILLITON PET(TXLA OP) CO	DRILL	14,000	Y
2013-08-15	767960	42-311-35605	DONNELL MINERALS 1 UNIT #4H	BHP BILLITON PET(TXLA OP) CO	DRILL	14,000	Y
2013-08-14	768105	42-311-35604	SAN MIGUEL RANCH EF #12H	SWIFT ENERGY OPERATING, LLC	DRILL	12,500	Y
2013-08-14	768103	42-311-35603	SAN MIGUEL RANCH EF #11H	SWIFT ENERGY OPERATING, LLC	DRILL	12,500	Y
2013-08-14	768103	42-311-35603	SAN MIGUEL RANCH EF #11H	SWIFT ENERGY OPERATING, LLC	DRILL	12,500	Y
2013-08-14	768096	42-311-35602	SAN MIGUEL RANCH EF #10H	SWIFT ENERGY OPERATING, LLC	DRILL	12,500	Y
2013-08-13	767879	42-311-35601	GLADYS WHEELER A #8H	BHP BILLITON PET(TXLA OP) CO	DRILL	14,000	Y
2013-08-13	767877	42-311-35600	GLADYS WHEELER A #6H	BHP BILLITON PET(TXLA OP) CO	DRILL	14,000	Y
2013-08-13	767876	42-311-35599	GLADYS WHEELER A #5H	BHP BILLITON PET(TXLA OP) CO	DRILL	14,000	Y
2013-08-09	767848	42-311-35597	MORRILL UNIT C #1	BURLINGTON RESOURCES O & G CO LP	DRILL	17,000	Y
2013-08-09	767848	42-311-35597	MORRILL UNIT C #1	BURLINGTON RESOURCES O & G CO LP	DRILL	17,000	Y
2013-08-09	767848	42-311-35597	MORRILL UNIT C #1	BURLINGTON RESOURCES O & G CO LP	DRILL	17,000	Y
2013-08-07	767620	42-311-35596	HORTON -M- #7	WAPITI OPERATING, LLC	DRILL	10,000
2013-08-06	767239	42-311-35589	QUINTANILLA SAN MIGUEL #4	WAPITI OPERATING, LLC	DRILL	11,000
2013-08-02	767149	42-311-35588	SCREAMING EAGLE A #3H	PRIMERA ENERGY, LLC	DRILL	12,900	Y
2013-08-01	767384	42-311-35595	DUSEK EFS #S 1H	SEA EAGLE FORD, LLC	DRILL	12,600	Y
2013-07-31	767380	42-311-35594	STS NORTH UNIT 5 #1H	HUNT OIL COMPANY	DRILL	18,000	Y
2013-07-31	767353	42-311-35592	QUINTANILLA MCM #G 3H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2013-07-31	767350	42-311-35593	QUINTANILLA MCM #G 2H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2013-07-31	767345	42-311-35591	QUINTANILLA MCM #G 1H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2013-07-30	767132	42-311-35585	Q KIEL EFS #2H	SEA EAGLE FORD, LLC	DRILL	12,600	Y
2013-07-30	767076	42-311-35586	NAYLOR JONES UNIT 59 EAST #2H	EOG RESOURCES, INC.	DRILL	11,900	Y
2013-07-30	767072	42-311-35584	NAYLOR JONES UNIT 48 EAST #2H	EOG RESOURCES, INC.	DRILL	11,500	Y
2013-07-30	767066	42-311-35583	NAYLOR JONES UNIT 48 WEST #3H	EOG RESOURCES, INC.	DRILL	11,700	Y
2013-07-26	766757	42-311-35579	Q KIEL EFS #1H	SEA EAGLE FORD, LLC	DRILL	12,600	Y
2013-07-25	766851	42-311-35582	TYLER RANCH #10	SV ENERGY COMPANY, LLC	DRILL	9,100
2013-07-25	766635	42-311-35581	FRANKLIN #A 3H	TALISMAN ENERGY USA INC.	DRILL	12,500	Y
2013-07-25	766629	42-311-35580	FRANKLIN #A 2H	TALISMAN ENERGY USA INC.	DRILL	12,500	Y
2013-07-24	766672	42-311-35577	MONTGOMERY UNIT #5H	MURPHY EXPL. & PROD. CO. - USA	DRILL	10,750	Y
2013-07-19	766545	42-311-35578	ZAVISCH 751 #10	PETROLEUM PRODUCTION ENGINEERING	DRILL	990
2013-07-18	766597	42-311-35576	QUINTANILLA MCM #E 3H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2013-07-18	766595	42-311-35575	QUINTANILLA MCM #E 2H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2013-07-18	766308	42-311-35574	RANCHO TRES HIJOS #8H	COMSTOCK OIL & GAS, LP	DRILL	13,000	Y
2013-07-16	766470	42-311-35573	ZAVISCH 751 #7	PETROLEUM PRODUCTION ENGINEERING	DRILL	990
2013-07-16	766161	42-311-35572	RANCHO TRES HIJOS #2H	COMSTOCK OIL & GAS, LP	DRILL	13,000	Y
2013-07-16	766161	42-311-35572	RANCHO TRES HIJOS #2H	COMSTOCK OIL & GAS, LP	DRILL	13,000	Y
2013-07-15	766369	42-311-35571	STS #103H	BLACKBRUSH O & G, LLC	DRILL	9,500	Y
2013-07-12	766028	42-311-35569	NAYLOR JONES UNIT 44 WEST #2H	EOG RESOURCES, INC.	DRILL	12,000	Y
2013-07-12	766027	42-311-35568	NAYLOR JONES UNIT 44 WEST #1H	EOG RESOURCES, INC.	DRILL	12,000	Y
2013-07-11	765881	42-311-35570	LARK RANCH #C 4H	STATOIL TEXAS ONSHORE PROP LLC	DRILL	11,500	Y
2013-07-10	765925	42-311-35567	LOWE PASTURE #6H	EOG RESOURCES, INC.	DRILL	11,500	Y
2013-07-09	765926	42-311-35565	COUNTISS #C 4H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2013-07-09	765836	42-311-35566	STING RAY A #8H	ABRAXAS PETROLEUM CORPORATION	DRILL	10,500	Y
2013-07-05	765782	42-311-35563	GLORIA WHEELER 'F' #1H	COMSTOCK OIL & GAS, LP	DRILL	13,000	Y

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