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
2014-08-16	791857	42-311-36200	PEELER RANCH MCM #B 2H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2014-08-16	791857	42-311-36200	PEELER RANCH MCM #Q 1H	CHESAPEAKE OPERATING, L.L.C.	DRILL	12,000	Y
2014-08-16	791737	42-311-36184	NICHOLS #8H	AWP OPERATING COMPANY	DRILL	10,000	Y
2014-08-16	791735	42-311-36183	NICHOLS #7H	AWP OPERATING COMPANY	DRILL	10,000	Y
2014-08-15	791287	42-311-36158	STEPHEN YBAR #3H	EOG RESOURCES, INC.	DRILL	11,000	Y
2014-08-15	791281	42-311-36156	STEPHEN YBAR #1H	EOG RESOURCES, INC.	DRILL	11,000	Y
2014-08-14	791462	42-311-36181	PEELER MCM #F 5H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2014-08-14	791462	42-311-36181	PEELER MCM #F 5H	CHESAPEAKE OPERATING, L.L.C.	DRILL	12,000	Y
2014-08-14	787061	42-311-36137	DONNELL A #18H	BHP BILLITON PET(TXLA OP) CO	DRILL	14,000	Y
2014-08-12	791340	42-311-36182	MILLER B UNIT #33H	CARRIZO (EAGLE FORD) LLC	DRILL	11,000	Y
2014-08-12	791335	42-311-36180	MILLER B UNIT #32H	CARRIZO (EAGLE FORD) LLC	DRILL	11,000	Y
2014-08-09	791213	42-311-36175	PEELER MCM #G 1H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2014-08-09	791213	42-311-36175	PEELER MCM #G 1H	CHESAPEAKE OPERATING, L.L.C.	DRILL	12,000	Y
2014-08-09	791211	42-311-36176	PEELER MCM #G 2H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2014-08-09	791203	42-311-36174	PEELER MCM #G 3H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2014-08-09	791201	42-311-36173	PEELER MCM #G 4H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2014-08-09	791128	42-311-36172	SILVERADO RANCH MCM #B 6H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2014-08-09	791127	42-311-36171	SILVERADO RANCH MCM #B 5H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2014-08-09	791126	42-311-36170	SILVERADO RANCH MCM #B 4H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2014-08-09	791125	42-311-36169	SILVERADO RANCH MCM #B 3H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2014-08-09	791123	42-311-36168	SILVERADO RANCH MCM #B 2H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2014-08-09	791122	42-311-36167	SILVERADO RANCH MCM #B 1H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2014-08-08	791120	42-311-36179	SWAIM #22H	MURPHY EXPL. & PROD. CO. - USA	DRILL	10,600	Y
2014-08-08	791044	42-311-36178	SWAIM #21H	MURPHY EXPL. & PROD. CO. - USA	DRILL	10,600	Y
2014-08-08	791038	42-311-36177	SWAIM #20H	MURPHY EXPL. & PROD. CO. - USA	DRILL	10,600	Y
2014-08-06	790592	42-311-36154	EDWARDS SWD #1H	SPARKMAN ENERGY, LLC	DRILL	13,000	Y
2014-08-06	790592	42-311-36154	EDWARDS SWD #1H	SPARKMAN ENERGY, LLC	DRILL	13,000
2014-08-01	790705	42-311-36163	PEELER MCM #J 6H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2014-08-01	790652	42-311-36160	MCKENZIE #M 5H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2014-08-01	790650	42-311-36161	MCKENZIE #M 4H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2014-08-01	790645	42-311-36159	STEPHEN YBAR #4H	EOG RESOURCES, INC.	DRILL	11,100	Y
2014-08-01	790631	42-311-36157	STEPHEN YBAR #2H	EOG RESOURCES, INC.	DRILL	11,000	Y
2014-08-01	790586	42-311-36153	QUINTANILLA SMEF #9H	SEA EAGLE FORD, LLC	DRILL	12,600	Y
2014-07-31	790540	42-311-36164	QUINTANILLA SMEF #8H	SEA EAGLE FORD, LLC	DRILL	12,600	Y
2014-07-31	789757	42-311-33694	LANDEX #1	TEXAS CANADIAN RESOURCES, LLC	RENTR	3,000
2014-07-29	790330	42-311-36152	PEELER MCM #H 6H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2014-07-29	790329	42-311-36151	PEELER MCM #H 5H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2014-07-28	791200	42-311-36165	PEELER MCM #G 6H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2014-07-28	791197	42-311-36166	PEELER MCM #G 7H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2014-07-28	790703	42-311-36162	PEELER MCM #J 5H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2014-07-28	790282	42-311-35178	DONNELL A #17H	BHP BILLITON PET(TXLA OP) CO	RECOMP	12,000	Y
2014-07-28	790280	42-311-35185	DONNELL A #16H	BHP BILLITON PET(TXLA OP) CO	RECOMP	12,000	Y
2014-07-28	784668	42-311-36035	HOSKINS EFS #12H	SEA EAGLE FORD, LLC	DRILL	12,600	Y
2014-07-25	790160	42-311-36147	SHIRE #2H	EOG RESOURCES, INC.	DRILL	11,500	Y
2014-07-24	790043	42-311-36146	GENTRY RANCH #3	WAPITI OPERATING, LLC	DRILL	12,500
2014-07-24	787064	42-311-36155	DONNELL A #9H	BHP BILLITON PET(TXLA OP) CO	DRILL	14,000	Y
2014-07-22	789835	42-311-36144	PEELER MCM #M 5H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2014-07-22	789835	42-311-36144	PEELER MCM #M 5H	CHESAPEAKE OPERATING, L.L.C.	DRILL	12,000	Y
2014-07-22	789833	42-311-36145	PEELER MCM #M 4H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2014-07-22	789833	42-311-36145	PEELER MCM #M 4H	CHESAPEAKE OPERATING, L.L.C.	DRILL	12,000	Y

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