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 7.7 permits a month over the trailing 90 days (23 total, down 18% 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
2010-04-27	695077	42-311-34224	QUINTANILLA ME-YOU EF #1H	SWIFT ENERGY OPERATING, LLC	DRILL	16,500	Y
2010-04-27	695077	42-311-34224	QUINTANILLA ME-YOU EF #1H	SWIFT ENERGY OPERATING, LLC	DRILL	16,500	Y
2010-04-27	695077	42-311-34224	QUINTANILLA ME-YOU EF #1H	SWIFT ENERGY OPERATING, LLC	DRILL	16,500	Y
2010-04-22	694550	42-311-34218	FRANCES DILWORTH #5H	SAN ISIDRO DEVELOPMENT CO, L. C.	DRILL	11,500	Y
2010-04-22	694550	42-311-34218	FRANCES DILWORTH #5H	CHESAPEAKE OPERATING, INC.	DRILL	11,500	Y
2010-04-22	694550	42-311-34218	FRANCES DILWORTH #5H	CHESAPEAKE OPERATING, L.L.C.	DRILL	11,500	Y
2010-04-22	694522	42-311-34222	ANTHONY FOREST PRODUCTS #3H	SWIFT ENERGY OPERATING, LLC	DRILL	17,000	Y
2010-04-22	694522	42-311-34222	ANTHONY FOREST PRODUCTS #3H	SWIFT ENERGY OPERATING, LLC	DRILL	17,000	Y
2010-04-22	694419	42-311-31964	BOOTH #1	BELLOWS OPERATING CO., L. C.	RENTR	6,600
2010-04-21	694600	42-311-34220	MARTIN-MASON RANCH UNIT "A" #1H	UNION GAS OPERATING COMPANY	DRILL	9,850	Y
2010-04-19	694556	42-311-34219	FRANCES DILWORTH #6H	SAN ISIDRO DEVELOPMENT CO, L. C.	DRILL	11,500	Y
2010-04-19	694556	42-311-34219	FRANCES DILWORTH #6H	CHESAPEAKE OPERATING, INC.	DRILL	11,500	Y
2010-04-19	694556	42-311-34219	FRANCES DILWORTH #6H	CHESAPEAKE OPERATING, L.L.C.	DRILL	11,500	Y
2010-04-19	694548	42-311-34217	EPLEY #1H	SAN ISIDRO DEVELOPMENT CO, L. C.	DRILL	11,500	Y
2010-04-13	693708	42-311-34216	RISER, J.G. #7	HURD ENTERPRISES, LTD.	DRILL	10,000
2010-03-25	693385	42-311-34215	ANTHONY FOREST PRODUCTS #2H	SWIFT ENERGY OPERATING, LLC	DRILL	17,000	Y
2010-03-24	693353	42-311-34214	TYLER RANCH #5	AURORA RESOURCES CORPORATION	DRILL	9,000
2010-03-23	692894	42-311-34213	QUINTANILLA FBH #2	WELHAUSEN OPERATING COMPANY, LP	DRILL	11,000
2010-03-23	692894	42-311-34213	QUINTANILLA FBH #2	WELHAUSEN OPERATING COMPANY, LP	DRILL	11,000
2010-03-22	693155	42-311-34212	WHEELER #1	ANADARKO MINERALS, INC.	DRILL	10,400
2010-03-22	693155	42-311-34212	WHEELER #1	CHESAPEAKE OPERATING, INC.	DRILL	16,000
2010-03-19	693015	42-311-34211	G. L. HAYES #1H	SWIFT ENERGY OPERATING, LLC	DRILL	17,000	Y
2010-03-19	693015	42-311-34211	G. L. HAYES #1H	SWIFT ENERGY OPERATING, LLC	DRILL	17,000	Y
2010-03-09	692400	42-311-34209	DISCHER #1H	SWIFT ENERGY OPERATING, LLC	DRILL	19,000	Y
2010-03-09	692400	42-311-34209	DISCHER #1H	SWIFT ENERGY OPERATING, LLC	DRILL	19,000	Y
2010-03-09	692395	42-311-34210	WHEELER #1	ROCK RESOURCES, INC.	DRILL	7,000
2010-03-03	692040	42-311-34208	SWAIM-WHEELER-DOUBLE K UNIT #1	NCEY HOLDINGS, LLC	DRILL	6,250
2010-03-03	691263	42-311-34201	WHITEHURST - J. V. #6H	PETROHAWK OPERATING COMPANY	DRILL	17,000	Y
2010-03-03	691263	42-311-34201	WHITEHURST - J. V. #1H	SWIFT ENERGY OPERATING, LLC	DRILL	17,000	Y
2010-02-26	691848	42-311-34207	ANTHONY ET AL-J.V. #1H	PETROHAWK OPERATING COMPANY	DRILL	17,000	Y
2010-02-26	691848	42-311-34207	ANTHONY ET AL-J.V. #1H	PETROHAWK OPERATING COMPANY	DRILL	13,000	Y
2010-02-22	691184	42-311-34206	RHODE RANCH #7801	HURD ENTERPRISES, LTD.	DRILL	12,000
2010-02-18	691410	42-311-34205	HOSKINS UNIT #1	AURORA RESOURCES CORPORATION	DRILL	12,000
2010-02-18	691388	42-311-34204	BRACKEN-J.V. 6488 #1H	PETROHAWK OPERATING COMPANY	DRILL	17,000	Y
2010-02-17	691302	42-311-34203	BRACKEN - J. V. #9H	PETROHAWK OPERATING COMPANY	DRILL	17,000	Y
2010-02-17	691273	42-311-34202	BARFORK BAR - J. V. #7H	PETROHAWK OPERATING COMPANY	DRILL	17,000	Y
2010-02-16	691252	42-311-34200	HUFF, J. V. #5H	PETROHAWK OPERATING COMPANY	DRILL	17,000	Y
2010-02-16	691242	42-311-34199	BRACKEN - J. V. #3H	PETROHAWK OPERATING COMPANY	DRILL	17,000	Y
2010-02-12	691243	42-311-34198	SWAIM 58 #4	NCEY HOLDINGS, LLC	DRILL	6,250
2010-02-11	690737	42-311-34197	SAN MIGUEL #1H	SWIFT ENERGY OPERATING, LLC	DRILL	17,000	Y
2010-02-11	690737	42-311-34197	SAN MIGUEL #1H	SWIFT ENERGY OPERATING, LLC	DRILL	17,000	Y
2010-02-11	690737	42-311-34197	SAN MIGUEL #1H	SWIFT ENERGY OPERATING, LLC	DRILL	17,000	Y
2010-02-08	690641	42-311-34196	LAYTON "A" #3H	XTO ENERGY INC.	DRILL	16,500	Y
2010-02-08	690641	42-311-34196	LAYTON "A" #3H	XTO ENERGY INC.	DRILL	16,500	Y
2010-02-08	690640	42-311-34195	LAYTON "A" #2H	XTO ENERGY INC.	DRILL	18,000	Y
2010-02-08	690637	42-311-34194	LAYTON "A" #1H	XTO ENERGY INC.	DRILL	18,000	Y
2010-02-03	690572	42-311-34193	HUFF #1H	SWIFT ENERGY OPERATING, LLC	DRILL	16,000	Y
2010-02-03	690168	42-311-34192	STS #1667	BLACKBRUSH O & G, INC.	DRILL	9,500
2010-02-03	690168	42-311-34192	STS UNIT #1667H	BLACKBRUSH O & G, INC.	DRILL	9,500	Y
2010-01-28	690186	42-311-34191	FRANCES DILWORTH #4H	SAN ISIDRO DEVELOPMENT CO, L. C.	DRILL	11,500	Y

page 91 of 172

< prev next >

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