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
2011-04-12	713784	42-311-34525	BRACKEN-J.V. #10H	SWIFT ENERGY OPERATING, LLC	DRILL	13,000	Y
2011-04-11	713760	42-311-34524	NBR EF #4H	SWIFT ENERGY OPERATING, LLC	DRILL	13,000	Y
2011-04-11	713759	42-311-34523	NBR EF #3H	SWIFT ENERGY OPERATING, LLC	DRILL	13,000	Y
2011-04-11	713648	42-311-34522	SAN MIGUEL RANCH OL #1H	SWIFT ENERGY OPERATING, LLC	DRILL	13,000	Y
2011-04-06	713350	42-311-34521	FORREST WHEELER #1H	COMSTOCK OIL & GAS, LP	DRILL	17,000	Y
2011-04-06	713350	42-311-34521	FORREST WHEELER #1H	COMSTOCK OIL & GAS, LP	DRILL	17,000	Y
2011-04-01	713027	42-311-34518	NICHOLS #A 1H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2011-04-01	713008	42-311-34519	MARTIN MASON RANCH UNIT A #U 5H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2011-03-31	713023	42-311-34517	ROOS #1	ELLSWORTH, H. P. O&G PROPERTIES	DRILL	4,500
2011-03-22	712203	42-311-34515	ANTHONY FOREST PRODUCTS #9H	SWIFT ENERGY OPERATING, LLC	DRILL	13,000	Y
2011-03-22	712202	42-311-34516	ANTHONY FOREST PRODUCTS #8H	SWIFT ENERGY OPERATING, LLC	DRILL	13,000	Y
2011-03-21	712236	42-311-34514	DONNELL C #1H	PETROHAWK OPERATING COMPANY	DRILL	12,000	Y
2011-03-16	711358	42-311-34513	RHODE RANCH #7701	HURD ENTERPRISES, LTD.	DRILL	10,500
2011-03-16	711358	42-311-34513	RHODE RANCH #7701	HURD ENTERPRISES, LTD.	DRILL	10,500
2011-03-03	711123	42-311-34512	BRACKEN-J.V. #8H	PETROHAWK OPERATING COMPANY	DRILL	12,500	Y
2011-03-01	711001	42-311-34511	DICKINSON UNIT E #1H	CHESAPEAKE OPERATING, INC.	DRILL	9,000	Y
2011-03-01	711001	42-311-34511	DICKINSON UNIT E #1H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2011-02-28	710914	42-311-34510	TYLER #1H	MURPHY EXPL. & PROD. CO. - USA	DRILL	10,592	Y
2011-02-28	710914	42-311-34510	TYLER #1H	MURPHY EXPL. & PROD. CO. - USA	DRILL	10,886	Y
2011-02-24	710667	42-311-32533	R. BRACKEN #42W	SWIFT ENERGY OPERATING, LLC	RECOMP	8,600
2011-02-23	710537	42-311-34509	VIRGINIA FEE #G 5H	XTO ENERGY INC.	DRILL	19,000	Y
2011-02-15	710142	42-311-34508	J J HENRY I #A 4H	CHESAPEAKE OPERATING, INC.	DRILL	14,000	Y
2011-02-14	710140	42-311-34507	J J HENRY I #A 2H	CHESAPEAKE OPERATING, INC.	DRILL	14,000	Y
2011-02-11	709995	42-311-34503	R. BRACKEN #41H	SWIFT ENERGY OPERATING, LLC	DRILL	12,500	Y
2011-02-11	709994	42-311-34502	R. BRACKEN #40H	SWIFT ENERGY OPERATING, LLC	DRILL	12,500	Y
2011-02-11	709992	42-311-34505	DONNELL B #11H	PETROHAWK OPERATING COMPANY	DRILL	12,500	Y
2011-02-11	709990	42-311-34504	BRACKEN-J.V. #4H	PETROHAWK OPERATING COMPANY	DRILL	12,500	Y
2011-02-11	709695	42-311-34506	AUSTIN #1H	EOG RESOURCES, INC.	DRILL	11,400	Y
2011-02-10	709902	42-311-34501	CUTTER CREEK #1H	COMSTOCK OIL & GAS, LP	DRILL	18,000	Y
2011-02-10	709902	42-311-34501	CUTTER CREEK #1H	COMSTOCK OIL & GAS, LP	DRILL	18,000	Y
2011-02-09	709780	42-311-34500	R. BRACKEN #39H	SWIFT ENERGY OPERATING, LLC	DRILL	12,500	Y
2011-02-09	709780	42-311-34500	R. BRACKEN #39H	SWIFT ENERGY OPERATING, LLC	DRILL	12,500	Y
2011-02-09	709778	42-311-34499	BRACKEN, R. #38H	SWIFT ENERGY OPERATING, LLC	DRILL	12,000	Y
2011-02-09	709610	42-311-34495	VIRGINIA FEE #G 4H	XTO ENERGY INC.	DRILL	19,000	Y
2011-02-08	709713	42-311-34496	WHEELER #I 1H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2011-02-08	709713	42-311-34496	WHEELER #I 1H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2011-02-07	709718	42-311-34497	NBR EF #2H	SWIFT ENERGY OPERATING, LLC	DRILL	13,500	Y
2011-02-07	709717	42-311-34498	NBR EF #1H	SWIFT ENERGY OPERATING, LLC	DRILL	13,000	Y
2011-02-07	709717	42-311-34498	NBR EF #1H	SWIFT ENERGY OPERATING, LLC	DRILL	13,000	Y
2011-02-03	709100	42-311-34494	WHITMIRE, W.A. #1	WELHAUSEN OPERATING COMPANY, LP	DRILL	11,000
2011-02-02	709431	42-311-34493	NUECES MINERALS COMPANY #372A	TALISMAN ENERGY USA INC.	DRILL	13,500	Y
2011-01-28	707399	42-311-34459	MCCLAUGHERTY #122A	TALISMAN ENERGY USA INC.	DRILL	12,100	Y
2011-01-28	707399	42-311-34459	MCCLAUGHERTY #122A	TALISMAN ENERGY USA INC.	DRILL	12,100	Y
2011-01-28	707399	42-311-34459	MCCLAUGHERTY #122A	TALISMAN ENERGY USA INC.	DRILL	12,100	Y
2011-01-24	708350	42-311-34484	SWAIM #3H	MURPHY EXPL. & PROD. CO. - USA	DRILL	10,030	Y
2011-01-21	708757	42-311-34492	HILL #1H	COMSTOCK OIL & GAS, LP	DRILL	18,000	Y
2011-01-21	708757	42-311-34492	HILL #1H	COMSTOCK OIL & GAS, LP	DRILL	18,000	Y
2011-01-20	708582	42-311-34490	WHEELER #H 1H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2011-01-20	708582	42-311-34490	WHEELER #H 1H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2011-01-20	708331	42-311-34483	PEELER #2	AURORA RESOURCES CORPORATION	DRILL	9,100

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