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
2012-01-27	731744	42-311-34766	Y BAR RANCH #C 1H	TALISMAN ENERGY USA INC.	DRILL	12,000	Y
2012-01-27	731744	42-311-34766	Y BAR RANCH #C 1H	TALISMAN ENERGY USA INC.	DRILL	12,000	Y
2012-01-27	731743	42-311-34765	Y BAR RANCH #C 3H	TALISMAN ENERGY USA INC.	DRILL	12,000	Y
2012-01-27	731741	42-311-34764	Y BAR RANCH #B 3H	TALISMAN ENERGY USA INC.	DRILL	12,000	Y
2012-01-27	731741	42-311-34764	Y BAR RANCH #B 3H	TALISMAN ENERGY USA INC.	DRILL	12,000	Y
2012-01-25	731816	42-311-34762	GENTRY #10 H	PETROHAWK OPERATING COMPANY	DRILL	14,000	Y
2012-01-25	731302	42-311-34756	DONNELL LOWE PASTURE #1H	EOG RESOURCES, INC.	DRILL	11,000	Y
2012-01-24	731753	42-311-34761	Y BAR RANCH #D 2H	TALISMAN ENERGY USA INC.	DRILL	12,000	Y
2012-01-24	731753	42-311-34761	Y BAR RANCH #D 2H	TALISMAN ENERGY USA INC.	DRILL	12,000	Y
2012-01-24	731750	42-311-34760	Y BAR RANCH #D 1H	TALISMAN ENERGY USA INC.	DRILL	12,000	Y
2012-01-24	731654	42-311-34757	MARTIN MASON UNIT K #K 2H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2012-01-23	731692	42-311-34759	MORRILL RANCH #1	BURLINGTON RESOURCES O & G CO LP	DRILL	12,000	Y
2012-01-23	731692	42-311-34759	MORRILL RANCH #1	BURLINGTON RESOURCES O & G CO LP	DRILL	12,000	Y
2012-01-23	731651	42-311-34758	WESLEY SWAIM #B 2H	TALISMAN ENERGY USA INC.	DRILL	13,500	Y
2012-01-23	731651	42-311-34758	WESLEY SWAIM #B 2H	TALISMAN ENERGY USA INC.	DRILL	13,500	Y
2012-01-21	731576	42-311-34755	76 RANCH MCM #D 6H	CHESAPEAKE OPERATING, INC.	DRILL	14,000	Y
2012-01-20	731513	42-311-34753	76 RANCH MCM #D 3H	CHESAPEAKE OPERATING, INC.	DRILL	14,000	Y
2012-01-20	731094	42-311-34754	FORREST WHEELER 'B' #2H	PETROHAWK OPERATING COMPANY	DRILL	14,000	Y
2012-01-13	731331	42-311-34752	RALPH EDWARDS #J 1H	CHESAPEAKE OPERATING, INC.	DRILL	14,000	Y
2012-01-13	731281	42-311-34751	ALLEN MCM #B 1H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2012-01-13	731281	42-311-34751	ALLEN MCM #B 1H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2012-01-13	731210	42-311-34750	RALPH EDWARDS #G 1H	CHESAPEAKE OPERATING, INC.	DRILL	14,000	Y
2012-01-13	731191	42-311-34749	FRANCES DILWORTH #E 2H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2012-01-13	731191	42-311-34749	FRANCES DILWORTH #E 2H	CHESAPEAKE OPERATING, L.L.C.	DRILL	12,000	Y
2012-01-12	731128	42-311-34748	HAYNES 'A' #1H	COMSTOCK OIL & GAS, LP	DRILL	10,500	Y
2012-01-11	731088	42-311-34747	FORREST WHEELER 'B' #1H	PETROHAWK OPERATING COMPANY	DRILL	14,000	Y
2012-01-11	731069	42-311-34746	Y BAR RANCH #B 1H	TALISMAN ENERGY USA INC.	DRILL	12,000	Y
2012-01-11	731069	42-311-34746	Y BAR RANCH #B 1H	TALISMAN ENERGY USA INC.	DRILL	12,000	Y
2012-01-06	730900	42-311-34745	WHEELER 5 #1H	PETROHAWK OPERATING COMPANY	DRILL	14,000	Y
2012-01-03	730735	42-311-34744	PRINCE MCM #B 5H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2012-01-03	730735	42-311-34744	PRINCE MCM #B 5H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2012-01-03	730330	42-311-34742	PEELER #4	AURORA RESOURCES CORPORATION	DRILL	9,000
2011-12-30	730645	42-311-34743	RALPH EDWARDS #L 4H	CHESAPEAKE OPERATING, INC.	DRILL	14,000	Y
2011-12-22	730273	42-311-34741	MCCLAUGHERTY UNIT #5H	XTO ENERGY INC.	DRILL	17,000	Y
2011-12-21	730165	42-311-34739	MCKENZIE UNIT M #2H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2011-12-21	730164	42-311-34740	PRINCE MCM #M 2H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2011-12-21	730161	42-311-34738	PRINCE MCM #M 5H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2011-12-21	730156	42-311-34737	PRINCE MCM #B 2H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2011-12-21	730156	42-311-34737	PRINCE MCM #B 2H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2011-12-21	730156	42-311-34737	PRINCE MCM #B 2H	CHESAPEAKE OPERATING, L.L.C.	DRILL	12,000	Y
2011-12-21	730100	42-311-34736	PEACOCK MCM #A 4H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2011-12-15	729892	42-311-34735	WHEELER UNIT 1 #1H	PETROHAWK OPERATING COMPANY	DRILL	14,000	Y
2011-12-15	729866	42-311-34733	SAN MIGUEL RANCH EF #8H	SWIFT ENERGY OPERATING, LLC	DRILL	12,500	Y
2011-12-15	729857	42-311-34734	RALPH EDWARDS #I 3H	CHESAPEAKE OPERATING, INC.	DRILL	14,000	Y
2011-12-15	729848	42-311-34732	RALPH EDWARDS #H 3H	CHESAPEAKE OPERATING, INC.	DRILL	14,000	Y
2011-12-13	729280	42-311-33952	SWAIM 60 #1	WYNN-CROSBY OPERATING, LTD.	FLD-XFR	6,166
2011-12-09	729438	42-311-34731	SAYLEE SOUTH #1H	MURPHY EXPL. & PROD. CO. - USA	DRILL	10,700	Y
2011-12-08	729381	42-311-34730	COUNTISS #G 1H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2011-12-08	729372	42-311-34729	AERY #B 1H	TALISMAN ENERGY USA INC.	DRILL	14,000	Y
2011-12-05	729191	42-311-34728	POWERS #B 1H	TALISMAN ENERGY USA INC.	DRILL	13,500	Y

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