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 60% 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
2012-04-06	735490	42-311-34855	GLORIA WHEELER 'D' #1H	COMSTOCK OIL & GAS, LP	DRILL	12,000	Y
2012-04-06	735488	42-311-34854	GLORIA WHEELER 'C' #1H	COMSTOCK OIL & GAS, LP	DRILL	12,000	Y
2012-04-06	735488	42-311-34854	GLORIA WHEELER 'C' #1H	COMSTOCK OIL & GAS, LP	DRILL	12,000	Y
2012-04-06	735488	42-311-34854	GLORIA WHEELER 'C' #1H	COMSTOCK OIL & GAS, LP	DRILL	12,000	Y
2012-04-06	735488	42-311-34854	GLORIA WHEELER 'C' #1H	COMSTOCK OIL & GAS, LP	DRILL	12,000	Y
2012-04-05	736601	42-311-34841	HILL 'A' #3H	COMSTOCK OIL & GAS, LP	DRILL	13,500	Y
2012-04-05	736025	42-311-34850	SWAIM #10H	MURPHY EXPL. & PROD. CO. - USA	DRILL	10,503	Y
2012-04-04	736503	42-311-34839	WOOD UNIT 2 #1H	PETROHAWK OPERATING COMPANY	DRILL	14,000	Y
2012-04-03	736460	42-311-34838	SMR JV EF #4H	SWIFT ENERGY OPERATING, LLC	DRILL	12,500	Y
2012-04-03	736460	42-311-34838	SMR JV EF #4H	SWIFT ENERGY OPERATING, LLC	DRILL	12,500	Y
2012-04-03	736458	42-311-34837	SMR JV EF #3H	SWIFT ENERGY OPERATING, LLC	DRILL	12,500	Y
2012-03-28	735294	42-311-34836	ZAVISCH #15	LAYLINE PETROLEUM I, LLC	DRILL	10,800
2012-03-27	736144	42-311-34835	RICK DAY UNIT 1 #1H	PETROHAWK OPERATING COMPANY	DRILL	14,000	Y
2012-03-27	736088	42-311-34834	FORREST WHEELER #2H	PETROHAWK OPERATING COMPANY	DRILL	14,000	Y
2012-03-27	736075	42-311-34833	SWAIM #9H	MURPHY EXPL. & PROD. CO. - USA	DRILL	10,495	Y
2012-03-27	736053	42-311-34832	KOCIAN UNIT 1 #1H	PETROHAWK OPERATING COMPANY	DRILL	14,000	Y
2012-03-26	736008	42-311-34828	TYLER UNIT B #1H	MURPHY EXPL. & PROD. CO. - USA	DRILL	10,593	Y
2012-03-26	736008	42-311-34828	TYLER UNIT B #1H	MURPHY EXPL. & PROD. CO. - USA	DRILL	10,593	Y
2012-03-24	736036	42-311-34830	SWAIM #12H	MURPHY EXPL. & PROD. CO. - USA	DRILL	10,436	Y
2012-03-24	736032	42-311-34831	SWAIM #11H	MURPHY EXPL. & PROD. CO. - USA	DRILL	10,523	Y
2012-03-24	736005	42-311-34827	TYLER #7H	MURPHY EXPL. & PROD. CO. - USA	DRILL	10,520	Y
2012-03-24	735995	42-311-34825	TYLER #6H	MURPHY EXPL. & PROD. CO. - USA	DRILL	10,550	Y
2012-03-24	735963	42-311-34824	HENRY EF #2H	SWIFT ENERGY OPERATING, LLC	DRILL	12,500	Y
2012-03-24	735963	42-311-34824	HENRY EF #2H	SWIFT ENERGY OPERATING, LLC	DRILL	12,500	Y
2012-03-24	735962	42-311-34826	HENRY EF #1H	SWIFT ENERGY OPERATING, LLC	DRILL	12,500	Y
2012-03-24	735962	42-311-34826	HENRY EF #1H	SWIFT ENERGY OPERATING, LLC	DRILL	12,500	Y
2012-03-23	735916	42-311-34822	GENTRY #3H	PETROHAWK OPERATING COMPANY	DRILL	14,000	Y
2012-03-22	736335	42-311-34823	PURSCH-MARSHALL #1H	LLEWELLIN OPERATING COMPANY, LLC	DRILL	12,000	Y
2012-03-22	735752	42-311-34820	FRANCES DILWORTH #D 8H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2012-03-22	735752	42-311-34820	FRANCES DILWORTH #D 8H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2012-03-22	735751	42-311-34819	FRANCES DILWORTH #D 7H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2012-03-22	735751	42-311-34819	FRANCES DILWORTH #D 7H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2012-03-22	735750	42-311-34818	FRANCES DILWORTH #D 5H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2012-03-22	735750	42-311-34818	FRANCES DILWORTH #D 5H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2012-03-22	735749	42-311-34817	FRANCES DILWORTH #D 3H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2012-03-22	735749	42-311-34817	FRANCES DILWORTH #D 3H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2012-03-22	735749	42-311-34817	FRANCES DILWORTH #D 3H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2012-03-22	735748	42-311-34816	FRANCES DILWORTH #D 4H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2012-03-22	735748	42-311-34816	FRANCES DILWORTH #D 4H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2012-03-22	735742	42-311-34815	FRANCES DILWORTH #W 3H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2012-03-22	735740	42-311-34814	FRANCES DILWORTH #W 2H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2012-03-22	735738	42-311-34813	FRANCES DILWORTH #W 1H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2012-03-22	735721	42-311-34812	FRANCES DILWORTH #V 2H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2012-03-22	735720	42-311-34810	FRANCES DILWORTH #V 1H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2012-03-22	735718	42-311-34811	FRANCES DILWORTH #V 4H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2012-03-22	735718	42-311-34811	FRANCES DILWORTH #V 4H	CHESAPEAKE OPERATING, L.L.C.	DRILL	12,000	Y
2012-03-22	735716	42-311-34809	FRANCES DILWORTH #V 3H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2012-03-22	735716	42-311-34809	FRANCES DILWORTH #V 3H	CHESAPEAKE OPERATING, L.L.C.	DRILL	12,000	Y
2012-03-22	735677	42-311-34821	COUNTISS #B 1H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2012-03-21	735510	42-311-34807	POWERS #D 1H	TALISMAN ENERGY USA INC.	DRILL	11,600	Y

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