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
2014-04-28	784402	42-311-36018	Y-BAR EAST UNIT A #1H	MURPHY EXPL. & PROD. CO. - USA	DRILL	10,500	Y
2014-04-28	784402	42-311-36018	Y-BAR EAST UNIT A #1H	CASTLEROCK EF OPERATING LLC	DRILL	11,000	Y
2014-04-26	782850	42-311-35990	TEAL RANCH EFS #3H	SEA EAGLE FORD, LLC	DRILL	12,600	Y
2014-04-26	782850	42-311-35990	TEAL RANCH EFS #3H	SEA EAGLE FORD, LLC	DRILL	10,748	Y
2014-04-26	782664	42-311-35988	PHELAN EFS #5H	SEA EAGLE FORD, LLC	DRILL	12,600	Y
2014-04-26	782664	42-311-35988	PHELAN EFS #5H	SEA EAGLE FORD, LLC	DRILL	11,149	Y
2014-04-26	782663	42-311-35987	PHELAN EFS #4H	SEA EAGLE FORD, LLC	DRILL	12,600	Y
2014-04-26	782663	42-311-35987	PHELAN EFS #4H	SEA EAGLE FORD, LLC	DRILL	12,600	Y
2014-04-26	782662	42-311-35986	PHELAN EFS #3H	SEA EAGLE FORD, LLC	DRILL	12,600	Y
2014-04-26	782661	42-311-35985	PHELAN EFS #2H	SEA EAGLE FORD, LLC	DRILL	12,600	Y
2014-04-26	782661	42-311-35985	PHELAN EFS #2H	SEA EAGLE FORD, LLC	DRILL	12,600
2014-04-26	782633	42-311-35983	CORVETTE A #3H	SANCHEZ OIL & GAS CORPORATION	DRILL	11,000	Y
2014-04-26	782633	42-311-35983	CORVETTE A #3H	SN OPERATING, LLC	DRILL	11,000	Y
2014-04-26	782630	42-311-35982	CORVETTE A #2H	SANCHEZ OIL & GAS CORPORATION	DRILL	11,000	Y
2014-04-26	782630	42-311-35982	CORVETTE A #2H	SN OPERATING, LLC	DRILL	11,000	Y
2014-04-26	782541	42-311-35981	K RANCH UNIT #1H	EOG RESOURCES, INC.	DRILL	12,000	Y
2014-04-26	782519	42-311-35980	ANTRIM UNIT #1H	EOG RESOURCES, INC.	DRILL	11,900	Y
2014-04-26	782351	42-311-35978	COUNTISS UNIT II #K 4H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2014-04-26	782350	42-311-35977	COUNTISS UNIT II #K 3H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2014-04-26	782348	42-311-35976	COUNTISS #K 2H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2014-04-26	782346	42-311-35975	COUNTISS #K 1H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2014-04-26	782346	42-311-35975	COUNTISS #K 1H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2014-04-24	782116	42-311-35969	SHIRE #1H	EOG RESOURCES, INC.	DRILL	11,800	Y
2014-04-23	781559	42-311-35996	COOK UNIT #1H	EOG RESOURCES, INC.	DRILL	12,000	Y
2014-04-22	782518	42-311-35979	BURGARD UNIT #1H	EOG RESOURCES, INC.	DRILL	11,900	Y
2014-04-22	782170	42-311-35971	COUNTISS #H 1H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2014-04-22	782170	42-311-35971	COUNTISS #H 1H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2014-04-22	782084	42-311-35965	DK #M 12H	CHEYENNE PETROLEUM COMPANY	DRILL	9,800	Y
2014-04-22	782078	42-311-35968	DK #M 11H	CHEYENNE PETROLEUM COMPANY	DRILL	9,800	Y
2014-04-21	782147	42-311-35970	CORVETTE C UNIT #4H	SANCHEZ OIL & GAS CORPORATION	DRILL	11,000	Y
2014-04-21	782141	42-311-35967	CORVETTE C UNIT #3H	SANCHEZ OIL & GAS CORPORATION	DRILL	11,000	Y
2014-04-21	782136	42-311-35966	CORVETTE C UNIT #2H	SANCHEZ OIL & GAS CORPORATION	DRILL	11,000	Y
2014-04-21	781998	42-311-35974	PEELER MCM #C 2H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2014-04-21	781998	42-311-35974	PEELER MCM #C 2H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2014-04-21	781998	42-311-35974	PEELER MCM #C 2H	CHESAPEAKE OPERATING, L.L.C.	DRILL	12,000	Y
2014-04-18	782075	42-311-35964	COUNTISS #H 4H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2014-04-18	782073	42-311-35963	COUNTISS #H 3H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2014-04-18	782071	42-311-35962	COUNTISS #H 2H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2014-04-18	781754	42-311-35956	TYLER UNIT F #1H	MURPHY EXPL. & PROD. CO. - USA	DRILL	10,480	Y
2014-04-17	781996	42-311-35973	PEELER MCM #C 3H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2014-04-17	781996	42-311-35973	PEELER MCM #C 3H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2014-04-17	781996	42-311-35973	PEELER MCM #C 3H	CHESAPEAKE OPERATING, L.L.C.	DRILL	12,000	Y
2014-04-17	781994	42-311-35972	PEELER MCM #C 4H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2014-04-17	781994	42-311-35972	PEELER MCM #C 4H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2014-04-17	781994	42-311-35972	PEELER MCM #C 4H	CHESAPEAKE OPERATING, L.L.C.	DRILL	12,000	Y
2014-04-16	781935	42-311-35961	GANDALF UNIT #2H	EOG RESOURCES, INC.	DRILL	12,000	Y
2014-04-16	781935	42-311-35961	GANDALF UNIT #2H	EOG RESOURCES, INC.	DRILL	12,000	Y
2014-04-16	781924	42-311-35960	GANDALF UNIT #1H	EOG RESOURCES, INC.	DRILL	12,000	Y
2014-04-16	781757	42-311-35957	TYLER UNIT G #1H	MURPHY EXPL. & PROD. CO. - USA	DRILL	10,480	Y
2014-04-15	781818	42-311-35959	GENTRY 'A' #2	WAPITI OPERATING, LLC	DRILL	11,500

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