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
2010-09-16	702054	42-311-34288	WHEELER #D 1H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2010-09-16	702053	42-311-34287	WHEELER #E 1H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2010-09-16	702053	42-311-34287	WHEELER #E 1H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2010-09-13	701804	42-311-34284	SMITH CC #1H	XTO ENERGY INC.	DRILL	17,000	Y
2010-09-13	701804	42-311-34284	SMITH CC #1H	XTO ENERGY INC.	DRILL	17,000	Y
2010-09-10	701903	42-311-34286	SAN MIGUEL RANCH EF #3H	SWIFT ENERGY OPERATING, LLC	DRILL	16,000	Y
2010-09-10	701903	42-311-34286	SAN MIGUEL RANCH EF #3H	SWIFT ENERGY OPERATING, LLC	DRILL	16,000	Y
2010-09-10	701903	42-311-34286	SAN MIGUEL RANCH EF #3H	SWIFT ENERGY OPERATING, LLC	DRILL	16,000	Y
2010-09-10	701901	42-311-34285	SAN MIGUEL RANCH EF #2H	SWIFT ENERGY OPERATING, LLC	DRILL	16,000	Y
2010-09-10	701901	42-311-34285	SAN MIGUEL RANCH EF #2H	SWIFT ENERGY OPERATING, LLC	DRILL	16,000	Y
2010-09-09	701536	42-311-32445	HOSTETTER #2	CHEVRON U. S. A. INC.	RECOMP	12,550
2010-09-08	701693	42-311-34283	WHEELER #M 1H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2010-09-08	701693	42-311-34283	WHEELER #M 1H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2010-09-03	701457	42-311-34282	RHODE RANCH 22 #1	HURD ENTERPRISES, LTD.	DRILL	12,000
2010-09-03	701457	42-311-34282	RHODE RANCH #2201	HURD ENTERPRISES, LTD.	DRILL	12,000
2010-09-02	701694	42-311-34014	HAYES, G. L. #2H	SWIFT ENERGY OPERATING, LLC	RECOMP	5,200
2010-09-02	701032	42-311-34280	WHEELER #N 1H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2010-09-02	701032	42-311-34280	WHEELER N #1H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2010-09-01	701525	42-311-34281	HAYNES #2H	EOG RESOURCES, INC.	DRILL	11,600	Y
2010-08-25	700968	42-311-33666	SCOTT FOUNDATION #1	JAMEX, INC.	RECOMP	7,925
2010-08-23	700967	42-311-34279	WHEELER #A 2H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2010-08-23	700967	42-311-34279	WHEELER #A 2H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2010-08-23	700967	42-311-34279	WHEELER #A 2H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2010-08-23	700965	42-311-34278	WHEELER #A 3H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2010-08-23	700965	42-311-34278	WHEELER #A 3H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2010-08-23	700965	42-311-34278	WHEELER #A 3H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2010-08-20	700928	42-311-31893	CHUDEJ UNIT #1	WELHAUSEN OPERATING COMPANY, LP	RECOMP	12,500
2010-08-20	700876	42-311-34277	DILWORTH #1H	PETROHAWK OPERATING COMPANY	DRILL	14,500	Y
2010-08-19	700855	42-311-34276	SAN MIGUEL RANCH OL #9	SWIFT ENERGY OPERATING, LLC	DRILL	9,300
2010-08-19	700855	42-311-34276	SAN MIGUEL RANCH OL #9	SWIFT ENERGY OPERATING, LLC	DRILL	9,300
2010-08-19	700854	42-311-34275	SAN MIGUEL RANCH OL #8	SWIFT ENERGY OPERATING, LLC	DRILL	9,300
2010-08-19	700852	42-311-34274	SAN MIGUEL RANCH OL #7	SWIFT ENERGY OPERATING, LLC	DRILL	9,300
2010-08-16	700661	42-311-34273	BRACKEN GAS UNIT 1 #1	ENDURING RESOURCES, LLC	DRILL	13,000	Y
2010-08-16	700661	42-311-34273	BRACKEN GAS UNIT 1 #1	TALISMAN ENERGY USA INC.	DRILL	13,000	Y
2010-08-11	700475	42-311-34272	AERY GAS UNIT 1 #1	ENDURING RESOURCES, LLC	DRILL	14,000	Y
2010-08-11	700475	42-311-34272	AERY GAS UNIT 1 #1	TALISMAN ENERGY USA INC.	DRILL	14,000	Y
2010-08-11	700423	42-311-34271	WHEELER #A 4H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2010-08-11	700423	42-311-34271	WHEELER #A 4H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2010-08-11	700144	42-311-34269	Y BAR RANCH GAS UNIT 1 #1	ENDURING RESOURCES, LLC	DRILL	13,000	Y
2010-08-11	700144	42-311-34269	Y BAR RANCH GAS UNIT 1 #1	ENDURING RESOURCES, LLC	DRILL	13,000	Y
2010-08-09	700360	42-311-34270	BRACKEN-J.V. #5H	PETROHAWK OPERATING COMPANY	DRILL	14,500	Y
2010-08-04	700165	42-311-34268	ANTHONY FOREST PRODUCTS #4H	SWIFT ENERGY OPERATING, LLC	DRILL	15,500	Y
2010-08-04	700103	42-311-34267	FOX CREEK #C 1H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2010-07-27	699543	42-311-34265	WHEELER #B 1H	CHESAPEAKE OPERATING, INC.	DRILL	12,000	Y
2010-07-27	699464	42-311-34266	TYLER RANCH EFS #1H	AURORA RESOURCES CORPORATION	DRILL	10,800	Y
2010-07-27	699464	42-311-34266	TYLER RANCH EFS #1H	AURORA RESOURCES CORPORATION	DRILL	10,800	Y
2010-07-27	699464	42-311-34266	TYLER RANCH EFS #1H	AURORA RESOURCES CORPORATION	DRILL	11,000	Y
2010-07-27	699419	42-311-34263	LESTER OL #1H	SWIFT ENERGY OPERATING, LLC	DRILL	11,300	Y
2010-07-26	699463	42-311-34264	TYLER RANCH #6	AURORA RESOURCES CORPORATION	DRILL	9,000
2010-07-26	698360	42-311-34243	ROOS #1	SUNCOAST TECHNICAL SERVICES INC	DRILL	4,200

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