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
2010-01-28	690186	42-311-34191	FRANCES DILWORTH #4H	CHESAPEAKE OPERATING, L.L.C.	DRILL	11,500	Y
2010-01-27	690161	42-311-34190	FRANCES DILWORTH #3H	SAN ISIDRO DEVELOPMENT CO, L. C.	DRILL	11,500	Y
2010-01-27	690161	42-311-34190	FRANCES DILWORTH #3H	CHESAPEAKE OPERATING, INC.	DRILL	11,500	Y
2010-01-27	690161	42-311-34190	FRANCES DILWORTH #3H	CHESAPEAKE OPERATING, L.L.C.	DRILL	11,500	Y
2010-01-15	689547	42-311-34189	HENRY #4	SWIFT ENERGY OPERATING, LLC	DRILL	11,000
2010-01-14	689672	42-311-34188	FURIE-LA JOLLA #1H	ESPADA OPERATING LLC	DRILL	17,000	Y
2010-01-14	689613	42-311-34187	LOWE #3H	PETROHAWK OPERATING COMPANY	DRILL	18,500	Y
2010-01-06	689307	42-311-34186	LOWE #1H	PETROHAWK OPERATING COMPANY	DRILL	17,000	Y
2010-01-06	689307	42-311-34186	LOWE #1H	PETROHAWK OPERATING COMPANY	DRILL	18,500	Y
2010-01-06	689191	42-311-34185	MOBIL WHEELER #5	WELHAUSEN OPERATING COMPANY, LP	DRILL	12,000
2009-12-31	689227	42-311-34184	DOUBLE K SOUTH #3	NCEY HOLDINGS, LLC	DRILL	6,200
2009-12-31	689226	42-311-34183	DOUBLE K SOUTH #2	NCEY HOLDINGS, LLC	DRILL	6,200
2009-12-31	689225	42-311-34182	DOUBLE K SOUTH #1	NCEY HOLDINGS, LLC	DRILL	6,200
2009-12-22	688808	42-311-34181	HENRY #3	SWIFT ENERGY OPERATING, LLC	DRILL	11,000
2009-12-10	688409	42-311-34180	SCARBOROUGH #1	NEWGULF PETROLEUM, LLC	DRILL	1,600
2009-12-10	688392	42-311-34179	HENRY #2	SWIFT ENERGY OPERATING, LLC	DRILL	11,000
2009-12-10	688391	42-311-34178	HENRY #1	SWIFT ENERGY OPERATING, LLC	DRILL	11,000
2009-12-08	688284	42-311-34177	BRACKEN - J. V. #1H	PETROHAWK OPERATING COMPANY	DRILL	17,000	Y
2009-12-08	688284	42-311-34177	BRACKEN - J. V. #1H	SWIFT ENERGY OPERATING, LLC	DRILL	17,000	Y
2009-12-04	687884	42-311-34027	HORTON, F. B. #2H	SWIFT ENERGY OPERATING, LLC	RECOMP	11,300	Y
2009-12-03	688099	42-311-33576	FOX CREEK RANCH #1	UNION GAS OPERATING COMPANY	RECOMP	9,800
2009-12-03	688099	42-311-33576	FOX CREEK RANCH #1H	UNION GAS OPERATING COMPANY	RECOMP	9,800	Y
2009-12-03	688099	42-311-33576	FOX CREEK RANCH #1H	UNION GAS OPERATING COMPANY	RECOMP	9,800	Y
2009-12-01	687826	42-311-34176	PC-Q #1H	SWIFT ENERGY OPERATING, LLC	DRILL	18,000	Y
2009-12-01	687826	42-311-34176	PC-Q EF #1H	SWIFT ENERGY OPERATING, LLC	DRILL	18,000	Y
2009-12-01	687826	42-311-34176	PC-Q EF #1H	SWIFT ENERGY OPERATING, LLC	DRILL	18,000	Y
2009-11-30	687806	42-311-33939	Y BAR #1	SWIFT ENERGY OPERATING, LLC	RECOMP	11,300
2009-11-30	687806	42-311-33939	Y BAR #1	SWIFT ENERGY OPERATING, LLC	RECOMP	11,300
2009-11-24	687763	42-311-34175	EVA COE #4	NEWGULF PETROLEUM, LLC	DRILL	6,500
2009-11-18	687198	42-311-34173	WHEELER, LEE A-2 #A 3	WELHAUSEN OPERATING COMPANY, LP	DRILL	11,000
2009-11-17	687453	42-311-34174	RHODE RANCH #1	ELLSWORTH, H. P. O&G PROPERTIES	DRILL	3,500
2009-11-17	687453	42-311-34174	RHODE RANCH #1	ELLSWORTH, H. P. O&G PROPERTIES	DRILL	3,500
2009-11-17	687453	42-311-34174	RHODE RANCH #1	ELLSWORTH, H. P. O&G PROPERTIES	DRILL	3,500
2009-11-05	687012	42-311-34172	LOWE #2H	PETROHAWK OPERATING COMPANY	DRILL	17,000	Y
2009-11-04	686749	42-311-34171	HOLLAN #3	HARPER HEFTE, INC.	DRILL	6,000
2009-10-28	686692	42-311-34170	HUNDLEY #4H	EOG RESOURCES, INC.	DRILL	11,000	Y
2009-10-28	686692	42-311-34170	HUNDLEY #4H	EOG RESOURCES, INC.	DRILL	11,000	Y
2009-10-26	686576	42-311-34169	QUINTANILLA FBH #1	WELHAUSEN OPERATING COMPANY, LP	DRILL	11,000
2009-10-22	686492	42-311-34168	RABKE-MASPERO UNIT #3	NCEY HOLDINGS, LLC	DRILL	6,250
2009-10-22	686371	42-311-34167	ANTHONY FOREST PRODUCTS #1H	SWIFT ENERGY OPERATING, LLC	DRILL	11,500	Y
2009-10-22	686371	42-311-34167	ANTHONY FOREST PRODUCTS #1H	SWIFT ENERGY OPERATING, LLC	DRILL	16,000	Y
2009-10-09	685941	42-311-34166	CHEW #1	SWIFT ENERGY OPERATING, LLC	DRILL	10,000
2009-10-06	685821	42-311-33882	LEE WHEELER #1	NCEY HOLDINGS, LLC	FLD-XFR	5,600
2009-09-30	685447	42-311-34163	TYLER RANCH #4	AURORA RESOURCES CORPORATION	DRILL	11,500
2009-09-28	685592	42-311-34165	QUINTANILLA #5	SWIFT ENERGY OPERATING, LLC	DRILL	10,000
2009-09-28	685565	42-311-34164	QUINTANILLA #4	SWIFT ENERGY OPERATING, LLC	DRILL	10,000
2009-09-23	685427	42-311-34162	HUNDLEY #3	EOG RESOURCES, INC.	DRILL	12,000
2009-09-23	685424	42-311-34161	HUNDLEY #2H	EOG RESOURCES, INC.	DRILL	11,500	Y
2009-09-23	685424	42-311-34161	HUNDLEY #2H	EOG RESOURCES, INC.	DRILL	11,500	Y
2009-09-22	685358	42-311-34160	KASSNER #2R	NCEY HOLDINGS, LLC	DRILL	6,250

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