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
2010-12-13	706785	42-311-34329	MCKENZIE #B 1H	CHESAPEAKE OPERATING, INC.	DRILL	9,000	Y
2010-12-13	706609	42-311-34351	MSP #189	CHESAPEAKE OPERATING, INC.	DRILL	300
2010-12-13	706608	42-311-34349	MSP #198	CHESAPEAKE OPERATING, INC.	DRILL	300
2010-12-13	706600	42-311-34352	MSP #190	CHESAPEAKE OPERATING, INC.	DRILL	300
2010-12-13	706594	42-311-34350	MSP #181	CHESAPEAKE OPERATING, INC.	DRILL	300
2010-12-13	706592	42-311-34341	MSP #174	CHESAPEAKE OPERATING, INC.	DRILL	300
2010-12-13	706535	42-311-34342	MSP #207	CHESAPEAKE OPERATING, INC.	DRILL	300
2010-12-13	706533	42-311-34343	MSP #179	CHESAPEAKE OPERATING, INC.	DRILL	300
2010-12-13	706531	42-311-34344	MSP #177	CHESAPEAKE OPERATING, INC.	DRILL	300
2010-12-13	706525	42-311-34345	MSP #175	CHESAPEAKE OPERATING, INC.	DRILL	300
2010-12-13	706524	42-311-34346	MSP #168	CHESAPEAKE OPERATING, INC.	DRILL	300
2010-12-13	706522	42-311-34347	MSP #167	CHESAPEAKE OPERATING, INC.	DRILL	300
2010-12-13	706466	42-311-34335	MSP #139	CHESAPEAKE OPERATING, INC.	DRILL	300
2010-12-13	706408	42-311-34348	MSP #152	CHESAPEAKE OPERATING, INC.	DRILL	300
2010-12-10	706465	42-311-34334	MSP #128	CHESAPEAKE OPERATING, INC.	DRILL	300
2010-12-10	706464	42-311-34333	MSP #127	CHESAPEAKE OPERATING, INC.	DRILL	300
2010-12-10	706462	42-311-34332	MSP #107	CHESAPEAKE OPERATING, INC.	DRILL	300
2010-12-10	706409	42-311-34331	MSP #153	CHESAPEAKE OPERATING, INC.	DRILL	300
2010-12-10	706406	42-311-34323	MSP #142	CHESAPEAKE OPERATING, INC.	DRILL	300
2010-12-10	706405	42-311-34322	MSP #132	CHESAPEAKE OPERATING, INC.	DRILL	300
2010-12-09	706485	42-311-34327	PC-Q EF #5H	SWIFT ENERGY OPERATING, LLC	DRILL	12,500	Y
2010-12-09	706485	42-311-34327	PC-Q EF #5H	SWIFT ENERGY OPERATING, LLC	DRILL	12,500	Y
2010-12-08	706399	42-311-34325	WHITEHURST #3H	SWIFT ENERGY OPERATING, LLC	DRILL	11,500	Y
2010-12-08	706399	42-311-34325	WHITEHURST #3H	SWIFT ENERGY OPERATING, LLC	DRILL	11,500	Y
2010-12-08	706398	42-311-34324	WHITEHURST #2H	SWIFT ENERGY OPERATING, LLC	DRILL	11,500	Y
2010-12-08	706398	42-311-34324	WHITEHURST #2H	SWIFT ENERGY OPERATING, LLC	DRILL	11,500	Y
2010-12-08	706363	42-311-34321	MARSHALL #1H	TIDAL PETROLEUM, INC.	DRILL	14,000	Y
2010-12-08	706363	42-311-34321	MARSHALL #1H	TIDAL PETROLEUM, INC.	DRILL	14,000	Y
2010-12-07	706329	42-311-34320	MCKENZIE #A 2H	CHESAPEAKE OPERATING, INC.	DRILL	9,000	Y
2010-12-07	706329	42-311-34320	MCKENZIE #A 2H	CHESAPEAKE OPERATING, INC.	DRILL	9,000	Y
2010-12-07	706329	42-311-34320	MCKENZIE #A 2H	CHESAPEAKE OPERATING, INC.	DRILL	10,500	Y
2010-12-07	706328	42-311-34319	MCKENZIE #A 1H	CHESAPEAKE OPERATING, INC.	DRILL	9,000	Y
2010-12-07	706328	42-311-34319	MCKENZIE UNIT A #1H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2010-12-07	706211	42-311-34318	WHEELER #F 1H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2010-12-07	706211	42-311-34318	WHEELER #F 1H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2010-12-03	706045	42-311-34313	RALPH EDWARDS #E 2H	CHESAPEAKE OPERATING, INC.	DRILL	14,000	Y
2010-12-02	706050	42-311-34315	RALPH EDWARDS #E 4H	CHESAPEAKE OPERATING, INC.	DRILL	14,000	Y
2010-12-02	706047	42-311-34314	RALPH EDWARDS #E 3H	CHESAPEAKE OPERATING, INC.	DRILL	14,000	Y
2010-12-01	706052	42-311-34316	RALPH EDWARDS #E 5H	CHESAPEAKE OPERATING, INC.	DRILL	14,000	Y
2010-12-01	706041	42-311-34312	RALPH EDWARDS #E 1H	CHESAPEAKE OPERATING, INC.	DRILL	14,000	Y
2010-12-01	706041	42-311-34312	RALPH EDWARDS #E 1H	CHESAPEAKE OPERATING, INC.	DRILL	14,000	Y
2010-12-01	706041	42-311-34312	RALPH EDWARDS #E 1H	CHESAPEAKE OPERATING, INC.	DRILL	15,000	Y
2010-12-01	706041	42-311-34312	RALPH EDWARDS #E 1HP	CHESAPEAKE OPERATING, INC.	DRILL	15,000	Y
2010-12-01	706017	42-311-34317	ACKER #5R	WHITESANDS OPERATING, L.L.C.	DRILL	2,700
2010-11-24	705885	42-311-34311	FOREHAND #2	CASKIDS OPERATING COMPANY	DRILL	17,000
2010-11-24	705885	42-311-34311	FOREHAND #2H	CASKIDS OPERATING COMPANY	DRILL	17,000	Y
2010-11-24	705885	42-311-34311	FOREHAND #2H	FURIE OPERATING, LLC	DRILL	17,000	Y
2010-11-23	705778	42-311-34310	SIDDONS OL #2H	SWIFT ENERGY OPERATING, LLC	DRILL	11,500	Y
2010-11-22	705582	42-311-34309	MARTIN MASON M #1H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2010-11-18	705368	42-311-34308	SWENSON #1H	COMSTOCK OIL & GAS, LP	DRILL	18,000	Y

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