Frio County Drilling Permits

Every permit issued by the Texas Railroad Commission in Frio County — updated daily, data through 2026-08-19.

Frio County permitting is running 7.3 permits a month over the trailing 90 days (22 total, up 22% on the prior quarter). FORMENTERA OPERATIONS LLC leads with 45 permits in the past 12 months, one of 7 operators active in the county.

Last 30 Days

Operators (30d)

Latest Permit

2026-08-19

All Time

4,299

4,299 permits

ISSUED	PERMIT	API	LEASE	OPERATOR	TYPE	DEPTH	HZ
2016-07-22	817050	42-163-33446	ARMINIUS ENERGY TRUST #4H	CABOT OIL & GAS CORPORATION	RECOMP	8,500	Y
2016-07-15	816930	42-163-33787	ZRZAVY UNIT #5H	CABOT OIL & GAS CORPORATION	RECOMP	8,255	Y
2016-07-15	816886	42-163-33440	ARMINIUS ENERGY TRUST #3H	CABOT OIL & GAS CORPORATION	RECOMP	8,226	Y
2016-07-11	816889	42-163-33998	HAUSSER #2SW	SN OPERATING, LLC	DRILL	10,000
2016-06-22	816385	42-163-33774	FRIESENHAHN #3H	TEXAS AMERICAN RESOURCES COMPANY	RECOMP	4,915
2016-05-19	815756	42-163-33997	HCE ST 01 #301H	HAT CREEK ENERGY LLC	DRILL	6,600	Y
2016-05-19	815756	42-163-33997	HCE ST 01 #301H	HAT CREEK ENERGY LLC	DRILL	6,600	Y
2016-04-28	815278	42-163-33996	HCE HM 04 #301H	HAT CREEK ENERGY LLC	DRILL	6,450	Y
2016-02-10	813671	42-163-33995	HAUSSER #B 4H	SN OPERATING, LLC	DRILL	8,000	Y
2016-02-10	813670	42-163-33994	HAUSSER #B 3H	SN OPERATING, LLC	DRILL	8,000	Y
2016-02-10	813669	42-163-33993	HAUSSER #B 1H	SN OPERATING, LLC	DRILL	8,000	Y
2016-02-04	813341	42-163-33986	SIEGELE #23H	CARRIZO (EAGLE FORD) LLC	DRILL	11,000	Y
2016-02-02	813518	42-163-33989	HAUSSER #C 1H	SN OPERATING, LLC	DRILL	8,000	Y
2016-02-01	813521	42-163-33992	HAUSSER #C 4H	SN OPERATING, LLC	DRILL	8,000	Y
2016-02-01	813520	42-163-33991	HAUSSER #C 3H	SN OPERATING, LLC	DRILL	8,000	Y
2016-01-29	813519	42-163-33990	HAUSSER #C 2H	SN OPERATING, LLC	DRILL	8,000	Y
2016-01-27	813414	42-163-33988	HAUSSER #A 2H	SN OPERATING, LLC	DRILL	8,000	Y
2016-01-27	813412	42-163-33987	HAUSSER #A 1H	SN OPERATING, LLC	DRILL	8,000	Y
2016-01-21	813339	42-163-33985	SIEGELE #22H	CARRIZO (EAGLE FORD) LLC	DRILL	11,000	Y
2016-01-07	813039	42-163-33984	KOTHMANN-RANCH #21H	CABOT OIL & GAS CORPORATION	DRILL	8,500	Y
2016-01-07	813038	42-163-33983	KOTHMANN-RANCH #16H	CABOT OIL & GAS CORPORATION	DRILL	8,500	Y
2015-12-17	812748	42-163-33982	GRAYLEAF 1H #1H	CABOT OIL & GAS CORPORATION	DRILL	8,400	Y
2015-12-10	812550	42-163-33981	SPEAR POINT 2H #2H	CABOT OIL & GAS CORPORATION	DRILL	8,000	Y
2015-12-10	812547	42-163-33980	SPEAR POINT 1H #1H	CABOT OIL & GAS CORPORATION	DRILL	8,000	Y
2015-11-30	811647	42-163-33979	MAVERICK-1 #1	HARVEST PIPELINE COMPANY	DRILL	300
2015-11-03	811627	42-163-33978	HCE CR 01 #201H	HAT CREEK ENERGY LLC	DRILL	6,370	Y
2015-11-03	811627	42-163-33978	HCE CR 01 #201H	HAT CREEK ENERGY LLC	DRILL	6,370	Y
2015-10-29	811416	42-163-33976	GEMINI 1H #1H	CABOT OIL & GAS CORPORATION	DRILL	8,500	Y
2015-10-29	811380	42-163-33977	GALILEO 1H #1H	CABOT OIL & GAS CORPORATION	DRILL	8,500	Y
2015-10-29	811380	42-163-33977	GALILEO 1H #1H	CABOT OIL & GAS CORPORATION	DRILL	8,500	Y
2015-10-23	811381	42-163-33975	R. L. MINOR #1H	TEXAS INTERNATIONAL RESOURCE LLC	DRILL	7,400	Y
2015-10-23	811381	42-163-33975	R. L. MINOR #1H	TEXAS INTERNATIONAL RESOURCE LLC	DRILL	7,540	Y
2015-10-22	811399	42-163-33974	IRONWOOD UNIT #A 4EF	U.S. ENERGY DEVELOPMENT CORP	DRILL	9,000	Y
2015-10-22	811398	42-163-33973	IRONWOOD UNIT #A 3EF	U.S. ENERGY DEVELOPMENT CORP	DRILL	9,000	Y
2015-10-22	811398	42-163-33973	IRONWOOD A3 UNIT #A 3EF	U.S. ENERGY DEVELOPMENT CORP	DRILL	9,000	Y
2015-10-22	811397	42-163-33972	IRONWOOD UNIT #A 2EF	U.S. ENERGY DEVELOPMENT CORP	DRILL	9,000	Y
2015-10-22	811397	42-163-33972	IRONWOOD A2 UNIT #A 2EF	U.S. ENERGY DEVELOPMENT CORP	DRILL	9,000	Y
2015-10-22	811396	42-163-33971	IRONWOOD UNIT #A 1EF	U.S. ENERGY DEVELOPMENT CORP	DRILL	9,000	Y
2015-10-22	811396	42-163-33971	IRONWOOD A1 UNIT #A 1EF	U.S. ENERGY DEVELOPMENT CORP	DRILL	9,000	Y
2015-09-17	810157	42-163-33968	REMINGTON 2H #2H	CABOT OIL & GAS CORPORATION	DRILL	8,500	Y
2015-09-17	810150	42-163-33967	REMINGTON 1H #1H	CABOT OIL & GAS CORPORATION	DRILL	8,500	Y
2015-09-16	810037	42-163-33970	MUSTANG 2H #2H	CABOT OIL & GAS CORPORATION	DRILL	8,500	Y
2015-09-15	810250	42-163-33969	HCE HT 02 #301H	HAT CREEK ENERGY LLC	DRILL	6,250	Y
2015-09-10	810025	42-163-33966	MUSTANG 1H #1H	CABOT OIL & GAS CORPORATION	DRILL	8,500	Y
2015-07-29	808783	42-163-33965	WHARNCLIFFE 2H #2H	CABOT OIL & GAS CORPORATION	DRILL	8,000	Y
2015-07-29	808782	42-163-33964	WHARNCLIFFE 1H #1H	CABOT OIL & GAS CORPORATION	DRILL	8,000	Y
2015-07-22	808290	42-163-33959	PANTHER HOLLOW UNIT 1 #1H	MUELLER EXPLORATION, INC.	DRILL	14,200	Y
2015-06-16	807429	42-163-33955	SPITFIRE 1H #1H	CABOT OIL & GAS CORPORATION	DRILL	8,500	Y
2015-06-16	807429	42-163-33955	SPITFIRE 1H #1H	CABOT OIL & GAS CORPORATION	DRILL	8,500	Y
2015-06-09	807196	42-163-33830	HARRISON-VOGEL UNIT #1H	TEXAS AMERICAN RESOURCES COMPANY	RECOMP	4,400

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