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
2010-12-16	707055	42-311-34369	MCKENZIE #C 1H	CHESAPEAKE OPERATING, INC.	DRILL	10,170	Y
2010-12-16	706950	42-311-34446	MSP #162	CHESAPEAKE OPERATING, INC.	DRILL	300
2010-12-16	706949	42-311-34447	MSP #144	CHESAPEAKE OPERATING, INC.	DRILL	300
2010-12-16	706948	42-311-34448	MSP #134	CHESAPEAKE OPERATING, INC.	DRILL	300
2010-12-16	706944	42-311-34439	MSP #200	CHESAPEAKE OPERATING, INC.	DRILL	300
2010-12-16	706943	42-311-34445	MSP #163	CHESAPEAKE OPERATING, INC.	DRILL	300
2010-12-16	706942	42-311-34441	MSP #187	CHESAPEAKE OPERATING, INC.	DRILL	300
2010-12-16	706941	42-311-34442	MSP #186	CHESAPEAKE OPERATING, INC.	DRILL	300
2010-12-16	706940	42-311-34440	MSP #195	CHESAPEAKE OPERATING, INC.	DRILL	300
2010-12-16	706936	42-311-34438	MSP #201	CHESAPEAKE OPERATING, INC.	DRILL	300
2010-12-16	706935	42-311-34449	MSP #129	CHESAPEAKE OPERATING, INC.	DRILL	300
2010-12-16	706855	42-311-34436	MSP #222	CHESAPEAKE OPERATING, INC.	DRILL	300
2010-12-16	706854	42-311-34405	MSP #120	CHESAPEAKE OPERATING, INC.	DRILL	300
2010-12-16	706851	42-311-34434	MSP #151	CHESAPEAKE OPERATING, INC.	DRILL	300
2010-12-16	706850	42-311-34433	MSP #150	CHESAPEAKE OPERATING, INC.	DRILL	300
2010-12-16	706848	42-311-34435	MSP #161	CHESAPEAKE OPERATING, INC.	DRILL	300
2010-12-16	706842	42-311-34428	MSP #209	CHESAPEAKE OPERATING, INC.	DRILL	300
2010-12-16	706836	42-311-34429	MSP #203	CHESAPEAKE OPERATING, INC.	DRILL	300
2010-12-16	706833	42-311-34430	MSP #210	CHESAPEAKE OPERATING, INC.	DRILL	300
2010-12-16	706826	42-311-34425	MSP #104	CHESAPEAKE OPERATING, INC.	DRILL	300
2010-12-16	706824	42-311-34426	MSP #221	CHESAPEAKE OPERATING, INC.	DRILL	300
2010-12-16	706747	42-311-34437	MSP #105	CHESAPEAKE OPERATING, INC.	DRILL	300
2010-12-16	706739	42-311-34431	MSP #145	CHESAPEAKE OPERATING, INC.	DRILL	300
2010-12-16	706737	42-311-34432	MSP #146	CHESAPEAKE OPERATING, INC.	DRILL	300
2010-12-15	706897	42-311-34340	DONNELL B #7H	PETROHAWK OPERATING COMPANY	DRILL	11,900	Y
2010-12-15	706856	42-311-34403	MSP #111	CHESAPEAKE OPERATING, INC.	DRILL	300
2010-12-15	706853	42-311-34406	MSP #131	CHESAPEAKE OPERATING, INC.	DRILL	300
2010-12-15	706852	42-311-34404	MSP #112	CHESAPEAKE OPERATING, INC.	DRILL	300
2010-12-15	706849	42-311-34407	MSP #140	CHESAPEAKE OPERATING, INC.	DRILL	300
2010-12-15	706827	42-311-34353	MSP #119	CHESAPEAKE OPERATING, INC.	DRILL	300
2010-12-15	706822	42-311-34423	MSP #101	CHESAPEAKE OPERATING, INC.	DRILL	300
2010-12-15	706781	42-311-34412	MSP #133	CHESAPEAKE OPERATING, INC.	DRILL	300
2010-12-15	706780	42-311-34413	MSP #223	CHESAPEAKE OPERATING, INC.	DRILL	300
2010-12-15	706779	42-311-34411	MSP #123	CHESAPEAKE OPERATING, INC.	DRILL	300
2010-12-15	706778	42-311-34409	MSP #113	CHESAPEAKE OPERATING, INC.	DRILL	300
2010-12-15	706776	42-311-34410	MSP #121	CHESAPEAKE OPERATING, INC.	DRILL	300
2010-12-15	706775	42-311-34408	MSP #122	CHESAPEAKE OPERATING, INC.	DRILL	300
2010-12-15	706774	42-311-34414	MSP #224	CHESAPEAKE OPERATING, INC.	DRILL	300
2010-12-15	706749	42-311-34416	MSP #115	CHESAPEAKE OPERATING, INC.	DRILL	300
2010-12-15	706748	42-311-34415	MSP #114	CHESAPEAKE OPERATING, INC.	DRILL	300
2010-12-15	706746	42-311-34418	MSP #124	CHESAPEAKE OPERATING, INC.	DRILL	300
2010-12-15	706745	42-311-34419	MSP #125	CHESAPEAKE OPERATING, INC.	DRILL	300
2010-12-15	706743	42-311-34417	MSP #126	CHESAPEAKE OPERATING, INC.	DRILL	300
2010-12-15	706741	42-311-34421	MSP #136	CHESAPEAKE OPERATING, INC.	DRILL	300
2010-12-15	706740	42-311-34420	MSP #135	CHESAPEAKE OPERATING, INC.	DRILL	300
2010-12-15	706736	42-311-34422	MSP #147	CHESAPEAKE OPERATING, INC.	DRILL	300
2010-12-15	706718	42-311-34392	MSP #184	CHESAPEAKE OPERATING, INC.	DRILL	300
2010-12-15	706717	42-311-34398	MSP #138	CHESAPEAKE OPERATING, INC.	DRILL	300
2010-12-15	706716	42-311-34396	MSP #149	CHESAPEAKE OPERATING, INC.	DRILL	300
2010-12-15	706715	42-311-34397	MSP #148	CHESAPEAKE OPERATING, INC.	DRILL	300

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