Frio County Drilling Permits

Every permit issued by the Texas Railroad Commission in Frio County — updated daily, data through 2026-09-10.

Frio County permitting is running 7.7 permits a month over the trailing 90 days (23 total, up 28% on the prior quarter). 1 was issued in the past week. 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

2026-09-10

All Time

4,300

4,300 permits

ISSUED	PERMIT	API	LEASE	OPERATOR	TYPE	DEPTH	HZ
2011-02-14	710081	42-163-33452	BOYD #1H	BLACKBRUSH O & G, INC.	DRILL	7,500	Y
2011-02-14	709509	42-163-32658	TSCHIRHART, L. #1	CHAPARRAL NATURAL RESOURCES,INC.	RECOMP	4,500
2011-02-09	709432	42-163-33451	LONGHORN #202H	TEXAS AMERICAN RESOURCES COMPANY	DRILL	8,500	Y
2011-02-09	709420	42-163-33450	TURMAN #202H	TEXAS AMERICAN RESOURCES COMPANY	DRILL	8,500	Y
2011-02-09	709414	42-163-33449	TURMAN #201H	TEXAS AMERICAN RESOURCES COMPANY	DRILL	8,500	Y
2011-02-09	709371	42-163-33448	LONGHORN #201H	TEXAS AMERICAN RESOURCES COMPANY	DRILL	8,000	Y
2011-02-09	709371	42-163-33448	LONGHORN #201H	TEXAS AMERICAN RESOURCES COMPANY	DRILL	8,000	Y
2011-02-07	709632	42-163-33446	ARMINIUS ENERGY TRUST #4H	CABOT OIL & GAS CORPORATION	DRILL	14,880	Y
2011-02-04	709655	42-163-33447	ALINE WILLIAMS #1H	CHEYENNE PETROLEUM COMPANY	DRILL	12,000	Y
2011-02-04	709655	42-163-33447	ALINE WILLIAMS #1H	CHEYENNE PETROLEUM COMPANY	DRILL	12,000	Y
2011-02-04	709655	42-163-33447	ALINE WILLIAMS UNIT B #1H	CHEYENNE PETROLEUM COMPANY	DRILL	12,000	Y
2011-02-01	708873	42-163-33445	RALLY EAGLE #1H	U.S. ENERCORP, LTD.	DRILL	6,957	Y
2011-01-28	709176	42-163-33444	MARRS MCLEAN A #2	VIRTEX OPERATING COMPANY, INC.	DRILL	7,000
2011-01-19	708569	42-163-32847	REEVES #1H	LEEXUS OIL LLC	RECOMP	6,500	Y
2011-01-19	708569	42-163-32847	REEVES #1H	LEEXUS OIL LLC	RECOMP	6,500	Y
2011-01-14	707937	42-163-33442	FRIO LAND AND CATTLE #1H	EL PASO E & P COMPANY, L. P.	DRILL	7,046	Y
2011-01-14	707937	42-163-33442	FRIO LAND AND CATTLE #1H	EL PASO E & P COMPANY, L. P.	DRILL	8,000	Y
2011-01-14	707937	42-163-33442	FRIO LAND AND CATTLE #1H	EL PASO E & P COMPANY, L. P.	DRILL	8,000	Y
2011-01-14	707937	42-163-33442	FRIO LAND AND CATTLE #1H	EL PASO E & P COMPANY, L. P.	DRILL	8,000	Y
2010-12-30	707260	42-163-33441	RALLY PETROLEUM #4H	U.S. ENERCORP, LTD.	DRILL	6,942	Y
2010-12-27	707476	42-163-33440	ARMINIUS ENERGY TRUST #3	CABOT OIL & GAS CORPORATION	DRILL	15,200	Y
2010-12-27	707476	42-163-33440	ARMINIUS ENERGY TRUST #3H	CABOT OIL & GAS CORPORATION	DRILL	15,200	Y
2010-12-23	707076	42-163-31574	BAIN #2	BLACKBRUSH O & G, INC.	RENTR	7,500
2010-12-20	707167	42-163-33439	SANTA CRUZ REALTY, ET AL UNIT #1	CABOT OIL & GAS CORPORATION	DRILL	15,600	Y
2010-12-20	707167	42-163-33439	SANTA CRUZ REALTY, ET AL UNIT #1	CABOT OIL & GAS CORPORATION	DRILL	15,600	Y
2010-12-15	706772	42-163-00541	CROUCH #2	MAVERICK ENERGY GROUP, INC.	RENTR	4,000
2010-12-14	706413	42-163-32788	PALS RANCH #5	SIEN OPERATING COMPANY, LLC	RECOMP	7,700	Y
2010-11-29	705920	42-163-33438	KOTHMANN #3	EF ENERGY, L.L.C.	DRILL	8,100
2010-11-29	705920	42-163-33438	KOTHMANN #3ST	EF ENERGY, L.L.C.	DRILL	9,000	Y
2010-11-29	705920	42-163-33438	KOTHMANN-RANCH #3ST	EF ENERGY, L.L.C.	DRILL	8,135	Y
2010-11-23	705724	42-163-33437	WELDON SCHORP UNIT #1H	CABOT OIL & GAS CORPORATION	DRILL	6,920	Y
2010-11-23	705724	42-163-33437	WELDON SCHORP UNIT "A" #1H	CABOT OIL & GAS CORPORATION	DRILL	6,920	Y
2010-11-17	704926	42-163-32596	PALS RANCH #4	SIEN OPERATING COMPANY, LLC	RECOMP	7,700	Y
2010-11-03	704603	42-163-33436	SCHORP #1H	RILEY EXPLORATION, LLC	DRILL	9,000	Y
2010-11-03	704603	42-163-33436	SCHORP #1H	RILEY EXPLORATION OPG CO, LLC	DRILL	9,000	Y
2010-11-03	704583	42-163-30130	CROUCH #1	MAVERICK ENERGY GROUP, INC.	RENTR	4,000
2010-11-01	704555	42-163-31569	HEISER #2	BLACKBRUSH O & G, INC.	RENTR	7,100
2010-10-29	704080	42-163-32943	PALS RANCH #6	SIEN OPERATING COMPANY, LLC	RECOMP	7,700	Y
2010-10-26	703961	42-163-33434	BERRY FAMILY RANCHES #A 1H	CHESAPEAKE OPERATING, INC.	DRILL	14,000	Y
2010-10-22	704002	42-163-33435	S BEEVER ET AL #1	VIRTEX OPERATING COMPANY, INC.	DRILL	6,500
2010-10-13	703541	42-163-33433	JOHNSTON #1	EF ENERGY, L.L.C.	DRILL	6,050
2010-10-13	703541	42-163-33433	JOHNSTON #1ST	EF ENERGY, L.L.C.	DRILL	6,200	Y
2010-10-13	703541	42-163-33433	JOHNSTON #1ST	EF ENERGY, L.L.C.	DRILL	6,200	Y
2010-10-11	702916	42-163-30489	J.B. LANCASTER #1	AMERICAN DISPOSAL SERVICES,LTD	RENTR	7,346
2010-09-30	702885	42-163-33432	B.S.H. HEIRS #101H	TEXAS AMERICAN RESOURCES COMPANY	DRILL	8,000	Y
2010-09-30	702867	42-163-33431	TURMAN #106H	TEXAS AMERICAN RESOURCES COMPANY	DRILL	7,990	Y
2010-09-30	702607	42-163-30525	JULIA HARRIS #2	AMERICAN DISPOSAL SERVICES,LTD	RENTR	6,640
2010-09-20	702369	42-163-33430	FERGUSON #1H	EL PASO E & P COMPANY, L. P.	DRILL	8,500	Y
2010-09-20	702369	42-163-33430	FERGUSON #1H	BLACKBRUSH O & G, INC.	DRILL	7,500	Y
2010-09-16	702230	42-163-33429	BEEVER FARMS INC C #1	VIRTEX OPERATING COMPANY, INC.	DRILL	6,500

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