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
2019-02-20	849920	42-311-36938	GORDON TRUST #11H	EOG RESOURCES, INC.	DRILL	10,000	Y
2019-02-20	849919	42-311-36937	GORDON TRUST #10H	EOG RESOURCES, INC.	DRILL	10,000	Y
2019-02-20	849918	42-311-36936	GORDON TRUST #9H	EOG RESOURCES, INC.	DRILL	10,000	Y
2019-01-28	849164	42-311-36935	MIDDLE MCCOWEN #102H	MARATHON OIL EF LLC	DRILL	24,000	Y
2019-01-28	849163	42-311-36934	MIDDLE MCCOWEN #101H	MARATHON OIL EF LLC	DRILL	24,000	Y
2019-01-28	849162	42-311-36933	MIDDLE MCCOWEN #100H	MARATHON OIL EF LLC	DRILL	24,000	Y
2019-01-28	849161	42-311-36932	MIDDLE MCCOWEN #99H	MARATHON OIL EF LLC	DRILL	24,000	Y
2019-01-18	848834	42-311-36931	BRACKEN EF B #32H	SILVERBOW RESOURCES OPER, LLC	DRILL	9,900	Y
2019-01-18	848834	42-311-36931	BRACKEN EF B #32H	SILVERBOW RESOURCES OPER, LLC	DRILL	14,000	Y
2019-01-18	848832	42-311-36930	BRACKEN EF C #31H	SILVERBOW RESOURCES OPER, LLC	DRILL	9,900	Y
2019-01-18	848832	42-311-36930	BRACKEN EF C #31H	SILVERBOW RESOURCES OPER, LLC	DRILL	14,000	Y
2019-01-16	847457	42-311-36898	RANCHO TRES HIJOS ALLOCATION A #101H	TRINITY OPERATING (USG), LLC	DRILL	10,000	Y
2019-01-16	847457	42-311-36898	RANCHO TRES HIJOS ALLOCATION A #101H	TRINITY OPERATING (USG), LLC	DRILL	12,000	Y
2019-01-15	848625	42-311-36929	QUINTANILLA UNIT A MCM #2H	CHESAPEAKE OPERATING, L.L.C.	DRILL	12,000	Y
2019-01-15	848368	42-311-36919	RANCHO TRES HIJOS ALLOCATION B #102H	TRINITY OPERATING (USG), LLC	DRILL	10,000	Y
2019-01-15	848368	42-311-36919	RANCHO TRES HIJOS ALLOCATION B #102H	TRINITY OPERATING (USG), LLC	DRILL	12,000	Y
2019-01-14	848626	42-311-35106	QUINTANILLA UNIT A MCM #3H	CHESAPEAKE OPERATING, L.L.C.	DRILL	12,000	Y
2019-01-14	848372	42-311-36921	RANCHO TRES HIJOS ALLOCATION D #104H	TRINITY OPERATING (USG), LLC	DRILL	10,000	Y
2019-01-14	848372	42-311-36921	RANCHO TRES HIJOS ALLOCATION D #104H	TRINITY OPERATING (USG), LLC	DRILL	12,000	Y
2019-01-14	848371	42-311-36920	RANCHO TRES HIJOS ALLOCATION C #103H	TRINITY OPERATING (USG), LLC	DRILL	10,000	Y
2019-01-14	848371	42-311-36920	RANCHO TRES HIJOS ALLOCATION C #103H	TRINITY OPERATING (USG), LLC	DRILL	12,000	Y
2019-01-11	848504	42-311-36928	NAYLOR JONES UNIT 11 #4H	EOG RESOURCES, INC.	DRILL	11,000	Y
2019-01-11	848503	42-311-36927	NAYLOR JONES UNIT 11 #3H	EOG RESOURCES, INC.	DRILL	11,000	Y
2019-01-10	848500	42-311-36926	NAYLOR JONES UNIT 2 #4H	EOG RESOURCES, INC.	DRILL	11,000	Y
2019-01-10	848498	42-311-36925	NAYLOR JONES UNIT 2 #3H	EOG RESOURCES, INC.	DRILL	11,000	Y
2019-01-10	848443	42-311-36924	ESPERANZA C #3H	EOG RESOURCES, INC.	DRILL	11,500	Y
2019-01-10	848436	42-311-36923	ESPERANZA B #2H	EOG RESOURCES, INC.	DRILL	11,500	Y
2019-01-10	848423	42-311-36922	ESPERANZA A #1H	EOG RESOURCES, INC.	DRILL	11,500	Y
2019-01-09	848362	42-311-36918	MILESTONE SWD #2	EVX MIDSTREAM PARTNERS LLC	DRILL	12,100
2019-01-09	848362	42-311-36918	MILESTONE SWD #2	EVX MIDSTREAM PARTNERS LLC	DRILL	12,100
2019-01-03	848131	42-311-36917	FORREST WHEELER 'B' #7H	BHP BILLITON PET(TXLA OP) CO	DRILL	14,000	Y
2019-01-02	847993	42-311-36911	FORREST WHEELER #21H	BHP BILLITON PET(TXLA OP) CO	DRILL	14,000	Y
2018-12-31	848099	42-311-36916	QUINTANILLA PEACOCK HC1 #C 1H	CHESAPEAKE OPERATING, L.L.C.	DRILL	12,000	Y
2018-12-31	848096	42-311-36915	QUINTANILLA TEAL HC1 #C 1H	CHESAPEAKE OPERATING, L.L.C.	DRILL	12,000	Y
2018-12-31	848095	42-311-36914	QUINTANILLA TEAL HC2 #C 2H	CHESAPEAKE OPERATING, L.L.C.	DRILL	12,000	Y
2018-12-31	848093	42-311-36913	TEAL MCM #A 1H	CHESAPEAKE OPERATING, L.L.C.	DRILL	12,000	Y
2018-12-31	848031	42-311-36912	FORREST WHEELER #19H	BHP BILLITON PET(TXLA OP) CO	DRILL	14,000	Y
2018-12-31	847920	42-311-36909	POWERS E UNIT #E 1H	EQUINOR TEXAS ONSHORE PROP LLC	DRILL	16,000	Y
2018-12-31	847895	42-311-36908	FORREST WHEELER 'B' #16H	BHP BILLITON PET(TXLA OP) CO	DRILL	14,000	Y
2018-12-31	847829	42-311-36907	RALPH EDWARDS #H 2H	CHESAPEAKE OPERATING, L.L.C.	DRILL	11,000	Y
2018-12-31	847828	42-311-36906	RALPH EDWARDS #H 1H	CHESAPEAKE OPERATING, L.L.C.	DRILL	11,000	Y
2018-12-31	847407	42-311-36897	EDWARDS #10H	BHP BILLITON PET(TXLA OP) CO	DRILL	14,000	Y
2018-12-31	847406	42-311-36896	EDWARDS #9H	BHP BILLITON PET(TXLA OP) CO	DRILL	14,000	Y
2018-12-31	847336	42-311-36895	FOX CREEK #B 3H	CHESAPEAKE OPERATING, L.L.C.	DRILL	11,000	Y
2018-12-31	847335	42-311-36894	FOX CREEK #B 2H	CHESAPEAKE OPERATING, L.L.C.	DRILL	11,000	Y
2018-12-31	846812	42-311-36883	DILWORTH RANCH A #3H	ROSEWOOD RESOURCES, INC.	DRILL	11,200	Y
2018-12-31	846800	42-311-36881	DILWORTH RANCH A #1H	ROSEWOOD RESOURCES, INC.	DRILL	11,200	Y
2018-12-31	846518	42-311-36878	JAMBERS #91H	MURPHY EXPL. & PROD. CO. - USA	DRILL	12,000	Y
2018-12-31	846513	42-311-36877	JAMBERS #90H	MURPHY EXPL. & PROD. CO. - USA	DRILL	12,000	Y
2018-12-31	846511	42-311-36404	JAMBERS #79H	MURPHY EXPL. & PROD. CO. - USA	DRILL	12,000	Y

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