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). 2 were issued in the past week. 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
2020-01-15	860725	42-311-37071	FOX CREEK RANCH UNIT A #2H	GULFTEX ENERGY, LLC	DRILL	10,000	Y
2020-01-14	860776	42-311-37070	CORNER S RANCH #6H	EOG RESOURCES, INC.	DRILL	10,500	Y
2020-01-14	860775	42-311-37069	CORNER S RANCH #5H	EOG RESOURCES, INC.	DRILL	10,500	Y
2020-01-14	860773	42-311-37068	CORNER S RANCH #4H	EOG RESOURCES, INC.	DRILL	10,500	Y
2020-01-14	860772	42-311-37067	CORNER S RANCH #3H	EOG RESOURCES, INC.	DRILL	10,500	Y
2020-01-14	860771	42-311-37066	CORNER S RANCH #2H	EOG RESOURCES, INC.	DRILL	10,500	Y
2020-01-13	860670	42-311-37065	MARTIN MASON HC5 #T 5H	CHESAPEAKE OPERATING, L.L.C.	DRILL	10,000	Y
2020-01-13	860669	42-311-37064	MARTIN MASON HC4 #T 4H	CHESAPEAKE OPERATING, L.L.C.	DRILL	10,000	Y
2020-01-13	860668	42-311-37063	MARTIN MASON HC3 #T 3H	CHESAPEAKE OPERATING, L.L.C.	DRILL	10,000	Y
2020-01-13	860667	42-311-37062	MARTIN MASON HC2 #T 2H	CHESAPEAKE OPERATING, L.L.C.	DRILL	10,000	Y
2020-01-13	860666	42-311-37061	MARTIN MASON HC1 #T 1H	CHESAPEAKE OPERATING, L.L.C.	DRILL	10,000	Y
2020-01-02	860151	42-311-37057	STS C #24H	BPX OPERATING COMPANY	DRILL	11,500	Y
2020-01-02	860148	42-311-37056	STS C #23H	BPX OPERATING COMPANY	DRILL	11,500	Y
2020-01-02	860147	42-311-37055	STS C #22H	BPX OPERATING COMPANY	DRILL	11,500	Y
2020-01-02	860103	42-311-37054	STS C #21H	BPX OPERATING COMPANY	DRILL	11,500	Y
2020-01-02	860102	42-311-37053	STS C #20H	BPX OPERATING COMPANY	DRILL	11,500	Y
2020-01-02	860101	42-311-37052	STS C #19H	BPX OPERATING COMPANY	DRILL	11,500	Y
2019-12-31	860313	42-311-34662	MARTIN MASON HC9 #O 4H	CHESAPEAKE OPERATING, L.L.C.	DRILL	10,000	Y
2019-12-31	860313	42-311-34662	MARTIN MASON HC9 #O 4H	CHESAPEAKE OPERATING, L.L.C.	DRILL	10,000	Y
2019-12-31	860311	42-311-37060	MARTIN MASON HC8 #O 3H	CHESAPEAKE OPERATING, L.L.C.	DRILL	10,000	Y
2019-12-31	860311	42-311-37060	MARTIN MASON HC8 #O 3H	CHESAPEAKE OPERATING, L.L.C.	DRILL	10,000	Y
2019-12-31	860309	42-311-37059	MARTIN MASON HC7 #O 2H	CHESAPEAKE OPERATING, L.L.C.	DRILL	10,000	Y
2019-12-31	860305	42-311-37058	MARTIN MASON HC6 #O 1H	CHESAPEAKE OPERATING, L.L.C.	DRILL	10,000	Y
2019-12-31	860305	42-311-37058	MARTIN MASON HC6 #O 1H	CHESAPEAKE OPERATING, L.L.C.	DRILL	10,000	Y
2019-12-16	859806	42-311-37051	NAYLOR JONES UNIT 43 #7H	EOG RESOURCES, INC.	DRILL	11,500	Y
2019-12-16	859804	42-311-37050	NAYLOR JONES UNIT 43 #6H	EOG RESOURCES, INC.	DRILL	11,400	Y
2019-12-09	859751	42-311-37049	HAGIST #Z 40	CARBURANTE EXPLORATION CO, LTD.	DRILL	4,000
2019-11-22	859279	42-311-34592	DISCHER EF #3H	SILVERBOW RESOURCES OPER, LLC	FLD-XFR	11,500	Y
2019-11-22	859279	42-311-34592	DISCHER EF #3H	SILVERBOW RESOURCES OPER, LLC	FLD-XFR	12,500	Y
2019-11-21	858228	42-311-37048	DONNELL A- DM 366 SA 4 #4H	BPX OPERATING COMPANY	DRILL	11,900	Y
2019-11-21	858227	42-311-37047	DONNELL A- DM 366 SA 3 #3H	BPX OPERATING COMPANY	DRILL	11,900	Y
2019-11-21	858226	42-311-37046	DONNELL A- DM 366 SA 2 #2H	BPX OPERATING COMPANY	DRILL	11,900	Y
2019-11-19	859010	42-311-37042	DONNELL A- DM 366 SA 1 #1H	BPX OPERATING COMPANY	DRILL	11,900	Y
2019-11-08	858794	42-311-37036	WHEELER #S 2H	CHESAPEAKE OPERATING, L.L.C.	DRILL	11,000	Y
2019-11-08	858793	42-311-37034	WHEELER #S 1H	CHESAPEAKE OPERATING, L.L.C.	DRILL	11,000	Y
2019-11-08	858790	42-311-37041	MCKENZIE HC6 #Y 2H	CHESAPEAKE OPERATING, L.L.C.	DRILL	12,000	Y
2019-11-08	858789	42-311-37040	MCKENZIE HC5 #Y 1H	CHESAPEAKE OPERATING, L.L.C.	DRILL	12,000	Y
2019-11-08	858787	42-311-37039	MCKENZIE #Q 5H	CHESAPEAKE OPERATING, L.L.C.	DRILL	12,000	Y
2019-11-08	858785	42-311-37038	MCKENZIE HC4 #Q 4H	CHESAPEAKE OPERATING, L.L.C.	DRILL	12,000	Y
2019-11-08	858783	42-311-34372	MCKENZIE HC3 #Q 3H	CHESAPEAKE OPERATING, L.L.C.	DRILL	12,000	Y
2019-11-08	858781	42-311-37037	MCKENZIE HC2 #Q 2H	CHESAPEAKE OPERATING, L.L.C.	DRILL	12,000	Y
2019-11-08	858779	42-311-37035	MCKENZIE HC1 #Q 1H	CHESAPEAKE OPERATING, L.L.C.	DRILL	12,000	Y
2019-10-30	858348	42-311-37033	NBR EF #6H	SILVERBOW RESOURCES OPER, LLC	DRILL	13,000	Y
2019-10-30	858348	42-311-37033	NBR EF #6H	SILVERBOW RESOURCES OPER, LLC	DRILL	13,000	Y
2019-10-29	858302	42-311-37029	NBR EF #5H	SILVERBOW RESOURCES OPER, LLC	DRILL	13,000	Y
2019-10-24	858210	42-311-37026	DILWORTH RANCH #C 5H	ROSEWOOD RESOURCES, INC.	DRILL	11,400	Y
2019-10-24	858209	42-311-37025	DILWORTH RANCH #C 4H	ROSEWOOD RESOURCES, INC.	DRILL	11,400	Y
2019-10-23	858208	42-311-37024	DILWORTH RANCH #C 3H	ROSEWOOD RESOURCES, INC.	DRILL	11,200	Y
2019-10-23	858188	42-311-37023	DILWORTH RANCH #C 2H	ROSEWOOD RESOURCES, INC.	DRILL	11,200	Y
2019-10-23	858186	42-311-37022	DILWORTH RANCH #C 1H	ROSEWOOD RESOURCES, INC.	DRILL	11,200	Y

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