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
2014-07-22	789831	42-311-36143	PEELER MCM #M 3H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2014-07-22	789831	42-311-36143	PEELER MCM #M 3H	CHESAPEAKE OPERATING, L.L.C.	DRILL	12,000	Y
2014-07-22	789830	42-311-36142	PEELER MCM #M 1H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2014-07-22	789830	42-311-36142	PEELER MCM #M 1H	CHESAPEAKE OPERATING, L.L.C.	DRILL	12,000	Y
2014-07-21	790519	42-311-36150	SWAIM #24H	MURPHY EXPL. & PROD. CO. - USA	DRILL	11,000	Y
2014-07-21	790517	42-311-36149	SWAIM #23H	MURPHY EXPL. & PROD. CO. - USA	DRILL	11,000	Y
2014-07-17	789522	42-311-36141	BERRY #4	ORCA OPERATING COMPANY, LLC	DRILL	2,000
2014-07-15	788424	42-311-36125	MILLER C UNIT #30H	CARRIZO (EAGLE FORD) LLC	DRILL	11,000	Y
2014-07-15	788419	42-311-36124	MILLER B UNIT #31H	CARRIZO (EAGLE FORD) LLC	DRILL	11,000	Y
2014-07-12	789004	42-311-36131	BRACKEN-JV #16H	SWIFT ENERGY OPERATING, LLC	DRILL	14,000	Y
2014-07-12	789003	42-311-36130	BRACKEN-JV #15H	SWIFT ENERGY OPERATING, LLC	DRILL	14,000	Y
2014-07-12	788880	42-311-36138	PC-Q EF #26H	SWIFT ENERGY OPERATING, LLC	DRILL	12,500	Y
2014-07-12	788877	42-311-36135	PC-Q EF #25H	SWIFT ENERGY OPERATING, LLC	DRILL	12,500	Y
2014-07-12	788875	42-311-36134	PC-Q EF #24H	SWIFT ENERGY OPERATING, LLC	DRILL	12,500	Y
2014-07-12	788801	42-311-36129	TYLER RANCH EFS #4H	SEA EAGLE FORD, LLC	DRILL	12,600	Y
2014-07-12	788143	42-311-36116	MCKENZIE #M 1H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2014-07-11	788282	42-311-36123	JAMBERS #48H	MURPHY EXPL. & PROD. CO. - USA	DRILL	11,309	Y
2014-07-11	788224	42-311-36122	MORRILL RANCH #14	BURLINGTON RESOURCES O & G CO LP	DRILL	17,000	Y
2014-07-11	788216	42-311-36121	MORRILL RANCH #13	BURLINGTON RESOURCES O & G CO LP	DRILL	17,000	Y
2014-07-11	788208	42-311-36120	MORRILL RANCH #12	BURLINGTON RESOURCES O & G CO LP	DRILL	17,000	Y
2014-07-11	788202	42-311-36119	MORRILL RANCH #11	BURLINGTON RESOURCES O & G CO LP	DRILL	17,000	Y
2014-07-11	788200	42-311-36132	JAMBERS #47H	MURPHY EXPL. & PROD. CO. - USA	DRILL	11,309	Y
2014-07-11	788196	42-311-36133	JAMBERS #46H	MURPHY EXPL. & PROD. CO. - USA	DRILL	11,309	Y
2014-07-09	788144	42-311-36117	MCKENZIE #M 3H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2014-07-09	788144	42-311-36117	MCKENZIE #M 3H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2014-07-09	787925	42-311-36139	CORTEZ 'E' #4H	COMSTOCK OIL & GAS, LP	DRILL	13,000	Y
2014-07-09	787925	42-311-36139	CORTEZ 'E' #4H	COMSTOCK OIL & GAS, LP	DRILL	13,000	Y
2014-07-09	787907	42-311-36140	CORTEZ 'E' #3H	COMSTOCK OIL & GAS, LP	DRILL	13,000	Y
2014-06-30	787913	42-311-36114	FRIO RIVER RANCH #D 1H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2014-06-30	787911	42-311-36113	FRIO RIVER RANCH #D 2H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2014-06-30	787910	42-311-36112	FRIO RIVER RANCH #D 3H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2014-06-28	787686	42-311-36110	FRANCES DILWORTH #G 4H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2014-06-28	787686	42-311-36110	FRANCES DILWORTH #G 4H	CHESAPEAKE OPERATING, L.L.C.	DRILL	12,000	Y
2014-06-28	787684	42-311-36109	FRANCES DILWORTH #G 3H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2014-06-28	787683	42-311-36108	FRANCES DILWORTH #G 2H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2014-06-28	787679	42-311-36107	FRANCES DILWORTH #G 1H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2014-06-28	787397	42-311-34674	BRACKEN-J.V. #12H	SWIFT ENERGY OPERATING, LLC	FLD-XFR	14,000	Y
2014-06-28	787168	42-311-36096	DOUBLE K UNIT B #1H	MURPHY EXPL. & PROD. CO. - USA	DRILL	11,040	Y
2014-06-28	787118	42-311-36095	DOUBLE K UNIT A #4H	MURPHY EXPL. & PROD. CO. - USA	DRILL	10,940	Y
2014-06-28	786422	42-311-34774	DILWORTH #4H	BHP BILLITON PET(TXLA OP) CO	FLD-XFR	14,000	Y
2014-06-27	787954	42-311-36115	FRANKLIN #D 6H	TALISMAN ENERGY USA INC.	DRILL	12,750	Y
2014-06-27	787954	42-311-36115	FRANKLIN #D 6H	TALISMAN ENERGY USA INC.	DRILL	12,750	Y
2014-06-27	786659	42-311-36084	TEAL UNIT B #5H	MURPHY EXPL. & PROD. CO. - USA	DRILL	11,000	Y
2014-06-26	786884	42-311-36136	MUTZ SWD #2	HIGH SIERRA WATER-EAGLE FORD,LLC	DRILL	9,000
2014-06-25	786500	42-311-36085	TEAL UNIT D #1H	MURPHY EXPL. & PROD. CO. - USA	DRILL	11,124	Y
2014-06-24	787572	42-311-36106	PEELER MCM #J 4H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2014-06-24	787572	42-311-36106	PEELER MCM #J 4H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2014-06-24	787571	42-311-36105	PEELER MCM #J 3H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2014-06-24	787571	42-311-36105	PEELER MCM #J 3H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2014-06-24	787570	42-311-36104	PEELER MCM #J 2H	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.