Mcmullen County Drilling Permits

Every permit issued by the Texas Railroad Commission in Mcmullen County — updated daily, data through 2026-09-14.

Mcmullen County permitting is running 8.0 permits a month over the trailing 90 days (24 total, down 14% on the prior quarter). 4 were issued in the past week. EOG RESOURCES, INC. leads with 17 permits in the past 12 months, one of 15 operators active in the county.

Last 30 Days

Operators (30d)

Latest Permit

2026-09-14

All Time

8,556

8,556 permits

ISSUED	PERMIT	API	LEASE	OPERATOR	TYPE	DEPTH	HZ
2011-06-21	718584	42-311-34570	RAYES, J. A #10H	CARRIZO OIL & GAS, INC.	DRILL	11,000	Y
2011-06-21	718584	42-311-34570	J. RAYES A UNIT #10H	CARRIZO OIL & GAS, INC.	DRILL	11,000	Y
2011-06-20	718597	42-311-34571	J. RAYES B #11H	CARRIZO OIL & GAS, INC.	DRILL	11,000	Y
2011-06-20	718597	42-311-34571	J. RAYES B UNIT #11H	CARRIZO OIL & GAS, INC.	DRILL	11,000	Y
2011-06-20	718559	42-311-34569	JAMBERS #2H	MURPHY EXPL. & PROD. CO. - USA	DRILL	10,892	Y
2011-06-17	718427	42-311-34567	COUNTISS #C 4H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2011-06-17	718425	42-311-34566	MCKENZIE #O 1H	CHESAPEAKE OPERATING, INC.	DRILL	9,000	Y
2011-06-17	718425	42-311-34566	MCKENZIE #O 1H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2011-06-17	718424	42-311-34565	SWAIM #8H	MURPHY EXPL. & PROD. CO. - USA	DRILL	10,436	Y
2011-06-17	718421	42-311-34564	SWAIM #7H	MURPHY EXPL. & PROD. CO. - USA	DRILL	10,457	Y
2011-06-17	718417	42-311-34563	SWAIM #6H	MURPHY EXPL. & PROD. CO. - USA	DRILL	10,523	Y
2011-06-17	718412	42-311-34562	SWAIM #4H	MURPHY EXPL. & PROD. CO. - USA	DRILL	10,503	Y
2011-06-16	718408	42-311-34561	SWAIM #2H	MURPHY EXPL. & PROD. CO. - USA	DRILL	10,495	Y
2011-06-16	718197	42-311-34568	SMITH CC #3H	XTO ENERGY INC.	DRILL	17,000	Y
2011-06-14	718165	42-311-34560	HILL #4H	COMSTOCK OIL & GAS, LP	DRILL	13,000	Y
2011-06-14	718163	42-311-34559	HILL #3H	COMSTOCK OIL & GAS, LP	DRILL	13,000	Y
2011-06-14	718159	42-311-34558	HILL #2H	COMSTOCK OIL & GAS, LP	DRILL	13,000	Y
2011-06-14	718159	42-311-34558	HILL #2H	COMSTOCK OIL & GAS, LP	DRILL	11,500	Y
2011-06-13	718011	42-311-34557	JAMBERS #1H	MURPHY EXPL. & PROD. CO. - USA	DRILL	10,892	Y
2011-06-08	717784	42-311-34556	PEELER #3	AURORA RESOURCES CORPORATION	DRILL	9,000
2011-06-08	717784	42-311-34556	PEELER #3	SV ENERGY COMPANY, LLC	DRILL	9,000
2011-06-08	717570	42-311-34555	BAKER RANCH #1	REPUBLIC RESOURCES, LLC.	DRILL	3,500
2011-06-08	716813	42-311-33863	SWAIM #5801	WYNN-CROSBY OPERATING, LTD.	FLD-XFR	6,200
2011-06-02	717394	42-311-34554	HILL 'A' #2H	COMSTOCK OIL & GAS, LP	DRILL	13,000	Y
2011-06-02	717394	42-311-34554	HILL 'A' #2H	COMSTOCK OIL & GAS, LP	DRILL	11,500	Y
2011-05-31	717392	42-311-34553	HILL 'A' #1H	COMSTOCK OIL & GAS, LP	DRILL	13,000	Y
2011-05-31	717392	42-311-34553	HILL 'A' #1H	COMSTOCK OIL & GAS, LP	DRILL	13,000	Y
2011-05-30	717092	42-311-34551	P. KYNETTE #1	HURD ENTERPRISES, LTD.	DRILL	10,500
2011-05-26	715521	42-311-33811	DOUBLE K #3	WYNN-CROSBY OPERATING, LTD.	FLD-XFR	6,050
2011-05-25	717121	42-311-34550	TEAL #1H	PETROHAWK OPERATING COMPANY	DRILL	14,000	Y
2011-05-25	717103	42-311-34549	HARDIN-RAYES UNIT #10H	CARRIZO OIL & GAS, INC.	DRILL	11,000	Y
2011-05-25	717103	42-311-34549	HARDIN-RAYES UNIT #10H	CARRIZO OIL & GAS, INC.	DRILL	11,000	Y
2011-05-25	716600	42-311-34547	MARTIN MASON UNIT B #I 4H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2011-05-23	716899	42-311-34548	KRUGER #1H	PETROHAWK OPERATING COMPANY	DRILL	14,000	Y
2011-05-20	715249	42-311-33973	DOUBLE K NORTH #4	WYNN-CROSBY OPERATING, LTD.	FLD-XFR	6,300
2011-05-13	716042	42-311-34546	SMITH CC #2H	XTO ENERGY INC.	DRILL	17,200	Y
2011-05-12	716022	42-311-34544	SAN MIGUEL RANCH EF #5H	SWIFT ENERGY OPERATING, LLC	DRILL	13,000	Y
2011-05-12	715999	42-311-34545	Y BAR EF #2H	SWIFT ENERGY OPERATING, LLC	DRILL	13,000	Y
2011-05-12	715996	42-311-34543	RALPH EDWARDS #D 1H	CHESAPEAKE OPERATING, INC.	DRILL	14,000	Y
2011-05-12	715995	42-311-34542	TYLER RANCH EFS #2H	AURORA RESOURCES CORPORATION	DRILL	10,800	Y
2011-05-12	715995	42-311-34542	TYLER RANCH EFS #2H	SEA EAGLE FORD, LLC	DRILL	10,800	Y
2011-05-12	715909	42-311-34540	MARTIN MASON N #4H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2011-05-10	715929	42-311-34541	SAN MIGUEL RANCH EF #4H	SWIFT ENERGY OPERATING, LLC	DRILL	13,000	Y
2011-05-10	715504	42-311-33828	DOUBLE K #2	WYNN-CROSBY OPERATING, LTD.	FLD-XFR	5,700
2011-05-09	715687	42-311-34539	RANCHO TRES HIJOS 'A' #1H	COMSTOCK OIL & GAS, LP	DRILL	13,500	Y
2011-05-09	715687	42-311-34539	RANCHO TRES HIJOS 'A' #1H	COMSTOCK OIL & GAS, LP	DRILL	13,500	Y
2011-05-06	715565	42-311-34538	CANGELOSI #1H	PETROHAWK OPERATING COMPANY	DRILL	14,000	Y
2011-05-03	715173	42-311-34537	MCKENZIE #D 1H	CHESAPEAKE OPERATING, INC.	DRILL	9,000	Y
2011-05-03	715173	42-311-34537	MCKENZIE #D 1H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2011-05-02	715175	42-311-34536	MCKENZIE #D 3H	CHESAPEAKE OPERATING, INC.	DRILL	9,000	Y

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