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
2011-05-12	715986	42-163-33472	CARNES 'B' #6H	BLACKBRUSH O & G, INC.	DRILL	7,000	Y
2011-05-12	715986	42-163-33472	CARNES "B" #6H	BLACKBRUSH O & G, INC.	DRILL	7,500	Y
2011-05-12	715986	42-163-33472	CARNES "B" #6H	BLACKBRUSH O & G, INC.	DRILL	7,500	Y
2011-05-12	715986	42-163-33472	CARNES 'B' #6H	BLACKBRUSH O & G, INC.	DRILL	7,500	Y
2011-05-09	715683	42-163-32960	RALLY PETROLEUM #1H	U.S. ENERCORP, LTD.	RECOMP	6,776	Y
2011-05-06	715639	42-163-33471	R.H. PICKENS, ET AL 'B' #1H	CABOT OIL & GAS CORPORATION	DRILL	13,200	Y
2011-05-03	715062	42-163-33470	PETERS #1	PREMIER MINERALS, INC.	DRILL	4,500
2011-04-29	715045	42-163-33469	MARRS MCLEAN #1H	VIRTEX OPERATING COMPANY, INC.	DRILL	13,500	Y
2011-04-29	714763	42-163-33468	LANCASTER AGI #1	TEXSTAR MIDSTREAM UTILITY, LP	DRILL	12,000
2011-04-29	714763	42-163-33468	LANCASTER AGI #1	TEXSTAR MIDSTREAM UTILITY, LP	DRILL	12,000
2011-04-29	714763	42-163-33468	LANCASTER AGI #1	TEXSTAR MIDSTREAM UTILITY, LP	DRILL	12,000
2011-04-29	714512	42-163-33467	FRIO COUNTY SCHOOL LAND #5	EAGLE FORD DISPOSAL LLC	DRILL	6,000
2011-04-26	714712	42-163-30129	CROUCH #6	MAVERICK ENERGY GROUP, INC.	RENTR	3,300
2011-04-26	714712	42-163-30129	CROUCH #6	MAVERICK ENERGY GROUP, INC.	RENTR	6,000
2011-04-26	714711	42-163-30128	CROUCH #5	MAVERICK ENERGY GROUP, INC.	RENTR	3,300
2011-04-15	714036	42-163-33466	OPPENHEIMER A #1H	BLACKBRUSH O & G, INC.	DRILL	6,500	Y
2011-04-13	713844	42-163-30132	CROUCH #4	MAVERICK ENERGY GROUP, INC.	RENTR	3,200
2011-04-08	713550	42-163-33465	SES FRIO SWD #1	SELECT ENERGY SERVICES, LLC	DRILL	9,000
2011-04-05	713297	42-163-33464	MCWILLIAMS HEIRS A #2H	VIRTEX OPERATING COMPANY, INC.	DRILL	13,000	Y
2011-03-30	712915	42-163-30131	CROUCH #3	MAVERICK ENERGY GROUP, INC.	RENTR	3,200
2011-03-30	712858	42-163-33463	GROSSIE #1H	U.S. ENERCORP, LTD.	DRILL	7,157	Y
2011-03-17	712046	42-163-33462	R. H. PICKENS, ET AL 'A' #3H	CABOT OIL & GAS CORPORATION	DRILL	13,900	Y
2011-03-17	712045	42-163-33461	R. H. PICKENS, ET AL "A" #2H	CABOT OIL & GAS CORPORATION	DRILL	13,700	Y
2011-03-17	712045	42-163-33461	R. H. PICKENS, ET AL 'A' #2H	CABOT OIL & GAS CORPORATION	DRILL	13,700	Y
2011-03-17	712015	42-163-33460	HEISER UNIT #1 H	BLACKBRUSH O & G, INC.	DRILL	7,500	Y
2011-03-04	711287	42-163-33459	MCWILLIAMS HEIRS A #1H	VIRTEX OPERATING COMPANY, INC.	DRILL	12,000	Y
2011-03-02	711104	42-163-33458	ARMINIUS ENERGY TRUST #5H	CABOT OIL & GAS CORPORATION	DRILL	15,250	Y
2011-03-01	710949	42-163-33457	MARRS MCLEAN #4	VIRTEX OPERATING COMPANY, INC.	DRILL	7,200
2011-03-01	710631	42-163-32634	GALAN #1	MCMINN OPERATING COMPANY, INC.	RENTR	6,133	Y
2011-03-01	710631	42-163-32634	GALAN #1	AMBASSADOR PETROLEUM, INC.	RENTR	6,500	Y
2011-02-28	710938	42-163-33455	STEWART #2	RICOCHET ENERGY, INC.	DRILL	6,000	Y
2011-02-25	710976	42-163-33456	KOTHMANN #4	EF ENERGY, L.L.C.	DRILL	9,000	Y
2011-02-25	710976	42-163-33456	KOTHMANN UNIT #4H	EF ENERGY, L.L.C.	DRILL	8,059	Y
2011-02-23	710678	42-163-33454	PEARSALL SWD #1	BASIC ENERGY SERVICES, L.P.	DRILL	4,600
2011-02-18	710375	42-163-33453	R.H. PICKENS, ET AL 'A' #1H	CABOT OIL & GAS CORPORATION	DRILL	13,200	Y
2011-02-18	709812	42-163-31949	SARTAIN ASSETS LTD OIL UNIT #1 H	AWP OPERATING COMPANY	RENTR	6,077	Y
2011-02-14	710081	42-163-33452	GARY BOYD #1H	EL PASO E & P COMPANY, L. P.	DRILL	11,000	Y
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

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