Frio County Drilling Permits

Every permit issued by the Texas Railroad Commission in Frio County — updated daily, data through 2026-07-22.

Frio County permitting is running 7.0 permits a month over the trailing 90 days (21 total, down 5% on the prior quarter). 3 were issued in the past week. FORMENTERA OPERATIONS LLC leads with 34 permits in the past 12 months, one of 8 operators active in the county.

Last 30 Days

Operators (30d)

Latest Permit

2026-07-22

All Time

4,287

4,287 permits

ISSUED	PERMIT	API	LEASE	OPERATOR	TYPE	DEPTH	HZ
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
2010-09-13	701831	42-163-33428	RALLY-SURLES UNIT #1H	U.S. ENERCORP, LTD.	DRILL	7,065	Y
2010-08-27	701234	42-163-33427	PEARSALL, T J #1H	EL PASO E & P COMPANY, L. P.	DRILL	12,000	Y
2010-08-23	700991	42-163-33426	CANTU-HENDERSON #1H	RICOCHET ENERGY, INC.	DRILL	7,600	Y
2010-08-23	700974	42-163-33425	PEDRO MORALES #7	GOODRICH PETROLEUM COMPANY	DRILL	13,500	Y
2010-08-23	700974	42-163-33425	PEDRO MORALES #7H	GOODRICH PETROLEUM COMPANY	DRILL	13,500	Y
2010-08-11	700457	42-163-33424	MARRS MCLEAN A #1	VIRTEX OPERATING COMPANY, INC.	DRILL	7,000
2010-08-09	700341	42-163-32659	W.L. CARTER #9ST	KALER ENERGY CORP.	RECOMP	10,400	Y
2010-08-09	700309	42-163-33423	LANCASTER C #1H	GOODRICH PETROLEUM COMPANY	DRILL	13,000	Y
2010-08-06	699894	42-163-33422	RALLY PETROLEUM #3H	U.S. ENERCORP, LTD.	DRILL	6,641	Y
2010-07-26	699551	42-163-33421	ARMINIUS ENERGY TRUST #1M	CABOT OIL & GAS CORPORATION	DRILL	9,500
2010-07-21	699219	42-163-33420	MARRS MCLEAN #5	VIRTEX OPERATING COMPANY, INC.	DRILL	7,000
2010-07-15	698908	42-163-32867	WW MCKINLEY UNIT 1 #1	KALER ENERGY CORP.	RECOMP	7,500	Y
2010-07-08	698671	42-163-32800	CARNES "B" #5H	BLACKBRUSH O & G, INC.	RECOMP	6,700	Y

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