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). 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
2013-10-24	771837	42-311-35689	PRINCE MCM #C 5H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2013-10-24	771836	42-311-35688	PRINCE MCM #C 4H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2013-10-24	771831	42-311-35687	PRINCE MCM #C 3H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2013-10-24	771830	42-311-35686	PRINCE MCM #C 2H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2013-10-24	771827	42-311-35685	PRINCE MCM #C 1H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2013-10-22	771456	42-311-35683	MILLER B UNIT #21H	CARRIZO (EAGLE FORD) LLC	DRILL	11,000	Y
2013-10-22	771456	42-311-35683	MILLER B UNIT #21H	CARRIZO (EAGLE FORD) LLC	DRILL	11,000	Y
2013-10-22	771456	42-311-35683	MILLER B UNIT #21H	CARRIZO (EAGLE FORD) LLC	DRILL	11,000	Y
2013-10-21	771856	42-311-35691	STELLA PENN #10	BLUESTONE NATURAL RES. II, LLC	DRILL	6,900
2013-10-18	771478	42-311-35690	SHANNON EFS #2H	SEA EAGLE FORD, LLC	DRILL	12,600	Y
2013-10-18	771478	42-311-35690	SHANNON EFS #2H	SEA EAGLE FORD, LLC	DRILL	12,600	Y
2013-10-18	771428	42-311-35684	MILLER A UNIT #20H	CARRIZO (EAGLE FORD) LLC	DRILL	11,000	Y
2013-10-18	771428	42-311-35684	MILLER A UNIT #20H	CARRIZO (EAGLE FORD) LLC	DRILL	11,000	Y
2013-10-17	771235	42-311-35679	LINDHOLM #1	LAYLINE ENERGY I LLC	DRILL	12,800
2013-10-17	771235	42-311-35679	LINDHOLM #1	LAYLINE ENERGY I LLC	DRILL	14,500
2013-10-17	771235	42-311-35679	LINDHOLM #1	LAYLINE ENERGY I LLC	DRILL	14,500
2013-10-14	771067	42-311-35681	CAMARO A #2H	ABRAXAS PETROLEUM CORPORATION	DRILL	10,300	Y
2013-10-14	771050	42-311-35673	LEE WHEELER C #5	WAPITI OPERATING, LLC	DRILL	11,500
2013-10-11	771206	42-311-35678	PRINCE MCM #K 5H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2013-10-11	771205	42-311-35677	PRINCE MCM #K 4H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2013-10-11	771203	42-311-35676	PRINCE MCM #K 3H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2013-10-11	771201	42-311-35675	PRINCE MCM #K 2H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2013-10-11	771201	42-311-35675	PRINCE MCM #K 2H	CHESAPEAKE OPERATING, L.L.C.	DRILL	12,000	Y
2013-10-11	771198	42-311-35674	PRINCE MCM #K 1H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2013-10-11	771198	42-311-35674	PRINCE MCM #K 1H	CHESAPEAKE OPERATING, L.L.C.	DRILL	12,000	Y
2013-10-11	771086	42-311-35680	RYAN 1795 O #1H	BHP BILLITON PET(TXLA OP) CO	DRILL	14,000	Y
2013-10-11	770871	42-311-35668	NAYLOR JONES C #2H	EOG RESOURCES, INC.	DRILL	11,900	Y
2013-10-11	770870	42-311-35667	NAYLOR JONES C #1H	EOG RESOURCES, INC.	DRILL	11,900	Y
2013-10-10	771018	42-311-35682	FRANCES DILWORTH #T 2H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2013-10-10	771017	42-311-35669	FRANCES DILWORTH #T 1H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2013-10-10	771017	42-311-35669	FRANCES DILWORTH #T 1H	CHESAPEAKE OPERATING, L.L.C.	DRILL	12,000	Y
2013-10-10	770827	42-311-35666	FORREST WHEELER 'D' #2H	COMSTOCK OIL & GAS, LP	DRILL	13,000	Y
2013-10-09	771021	42-311-35672	FRANCES DILWORTH #T 5H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2013-10-09	771021	42-311-35672	FRANCES DILWORTH #T 5H	CHESAPEAKE OPERATING, L.L.C.	DRILL	12,000	Y
2013-10-09	771020	42-311-35670	FRANCES DILWORTH #T 4H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2013-10-09	771019	42-311-35671	FRANCES DILWORTH #T 3H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2013-10-08	770622	42-311-35665	DUTCH #2H	ABRAXAS PETROLEUM CORPORATION	DRILL	10,900	Y
2013-10-08	770620	42-311-35664	DUTCH #1H	ABRAXAS PETROLEUM CORPORATION	DRILL	10,900	Y
2013-10-07	769156	42-311-35629	E. BAKER 'A' #18	RUTHERFORD OIL CORPORATION	DRILL	3,500
2013-10-03	770840	42-311-35663	PC-Q EF #14H	SWIFT ENERGY OPERATING, LLC	DRILL	12,500	Y
2013-10-03	770840	42-311-35663	PC-Q EF #14H	SWIFT ENERGY OPERATING, LLC	DRILL	12,500	Y
2013-10-03	770837	42-311-35662	PC-Q EF #13H	SWIFT ENERGY OPERATING, LLC	DRILL	12,500	Y
2013-10-03	770837	42-311-35662	PC-Q EF #13H	SWIFT ENERGY OPERATING, LLC	DRILL	12,500	Y
2013-10-02	770750	42-311-35661	RECTIFIER WLO-40 #W040LO	ENTERPRISE PRODUCTS OPERATINGLLC	DRILL	500
2013-09-30	770282	42-311-35657	CACTUS ROSE UNIT #2H	EOG RESOURCES, INC.	DRILL	10,900	Y
2013-09-30	770282	42-311-35657	CACTUS ROSE UNIT #2H	EOG RESOURCES, INC.	DRILL	10,900	Y
2013-09-30	770278	42-311-35656	CACTUS ROSE UNIT #1H	EOG RESOURCES, INC.	DRILL	10,900	Y
2013-09-30	770278	42-311-35656	CACTUS ROSE UNIT #1H	EOG RESOURCES, INC.	DRILL	10,900	Y
2013-09-30	770203	42-311-35658	FOUR K PARTNERS #18H	EOG RESOURCES, INC.	DRILL	11,500	Y
2013-09-27	770178	42-311-35655	RYAN O #1H	BHP BILLITON PET(TXLA OP) CO	DRILL	14,000	Y

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