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
2010-07-08	698671	42-163-32800	CARNES "B" #5H	BLACKBRUSH O & G, INC.	RECOMP	6,700	Y
2010-07-08	698671	42-163-32800	CARNES "B" #5H	BLACKBRUSH O & G, INC.	RECOMP	6,900	Y
2010-07-05	698516	42-163-33419	ARMINIUS ENERGY TRUST #2	CABOT OIL & GAS CORPORATION	DRILL	16,000	Y
2010-07-05	698516	42-163-33419	ARMINIUS ENERGY TRUST #2	CABOT OIL & GAS CORPORATION	DRILL	16,000	Y
2010-07-05	698297	42-163-80259	JANE BURNS #229	MAVERICK ENERGY GROUP, INC.	RECOMP	4,000
2010-06-28	697981	42-163-33418	WILLIAMSON #2	SKLAR EXPLORATION COMPANY LLC	DRILL	6,500
2010-06-28	697981	42-163-33418	WILLIAMSON #2	SKLAR EXPLORATION COMPANY LLC	DRILL	6,500
2010-06-21	697498	42-163-33416	GPC PAN AM #C 1H	GOODRICH PETROLEUM COMPANY	DRILL	17,000	Y
2010-06-21	697498	42-163-33416	GPC PAN AM #C 1H	GOODRICH PETROLEUM COMPANY	DRILL	17,000	Y
2010-06-18	697659	42-163-33417	KINCAID #1H	U.S. ENERCORP, LTD.	DRILL	6,922	Y
2010-06-15	697581	42-163-30519	JULIA HARRIS #1	BLACKBRUSH O & G, INC.	RENTR	7,300	Y
2010-06-10	697396	42-163-33415	ARMINIUS ENERGY TRUST #1	CABOT OIL & GAS CORPORATION	DRILL	15,000	Y
2010-06-10	697396	42-163-33415	ARMINIUS ENERGY TRUST #1	CABOT OIL & GAS CORPORATION	DRILL	17,000	Y
2010-06-10	697396	42-163-33415	ARMINIUS ENERGY TRUST #1	CABOT OIL & GAS CORPORATION	DRILL	17,000	Y
2010-06-10	696765	42-163-33414	STOUT #1H	U.S. ENERCORP, LTD.	DRILL	6,942	Y
2010-05-24	696385	42-163-33413	FRANCES SHINER B #1H	GOODRICH PETROLEUM COMPANY	DRILL	17,000	Y
2010-05-24	696385	42-163-33413	GPC PAN AM B #1H	GOODRICH PETROLEUM COMPANY	DRILL	17,000	Y
2010-05-19	696193	42-163-33412	NEUMANN #1	LOBO DRILLING LLC	DRILL	4,200
2010-05-13	695692	42-163-00993	JANE BURNS #231	MAVERICK ENERGY GROUP, INC.	RENTR	4,000
2010-05-12	695839	42-163-33411	STEWART #1	RICOCHET ENERGY, INC.	DRILL	6,000	Y
2010-05-05	695360	42-163-32604	HARRIS #2	RICOCHET ENERGY, INC.	RECOMP	7,300	Y
2010-04-30	695194	42-163-33410	PRESTON #1H	KALER ENERGY CORP.	DRILL	7,500	Y
2010-03-29	693283	42-163-33409	ROSENAUER #1	HOLLIMON OIL CORPORATION	DRILL	4,500
2010-03-01	691930	42-163-33408	MCWILLIAMS HEIRS A #5	VIRTEX OPERATING COMPANY, INC.	DRILL	7,000
2010-02-25	691820	42-163-33407	CORBIN #1H	U.S. ENERCORP, LTD.	DRILL	6,930	Y
2010-02-05	690394	42-163-33406	CAULKINS #1	MANTI OPERATING COMPANY	DRILL	8,200
2010-02-05	690394	42-163-33406	CALKINS - KOTHMANN #1	MANTI EXPLORATION OPERATING LLC	DRILL	8,240
2010-01-08	689180	42-163-33405	MCWILLIAMS HEIRS A #4	VIRTEX OPERATING COMPANY, INC.	DRILL	7,000
2009-12-22	688687	42-163-33021	RALLY PETROLEUM #2H	U.S. ENERCORP, LTD.	RENTR	6,839	Y
2009-12-16	688008	42-163-33404	ELLA BURNS #9	SPUR OPERATING CO.	DRILL	3,700
2009-12-16	688008	42-163-33404	ELLA BURNS #9	SPUR OPERATING CO.	DRILL	3,700
2009-11-25	687582	42-163-30370	MARIA GALAN #1	MCMINN OPERATING COMPANY, INC.	RENTR	6,472
2009-11-20	687602	42-163-32647	HARRIS #3	RICOCHET ENERGY, INC.	RECOMP	7,500	Y
2009-10-23	686527	42-163-33403	PATRICK WEST #1	CABOT OIL & GAS CORPORATION	DRILL	12,700	Y
2009-10-16	686157	42-163-33385	HARLAN, R. K. #13	VIRTEX OPERATING COMPANY, INC.	RECOMP	6,420
2009-09-30	685667	42-163-33402	CONSUELO LEDEZMA #1	GULF SOUTH OPERATORS, INC.	DRILL	6,700	Y
2009-09-30	685667	42-163-33402	CONSUELO LEDEZMA #1	GULF SOUTH OPERATORS, INC.	DRILL	7,400	Y
2009-09-30	685667	42-163-33402	CONSUELO LEDEZMA #1H	GULF SOUTH OPERATORS, INC.	DRILL	7,400	Y
2009-09-30	685667	42-163-33402	CONSUELO LEDEZMA #1H	GULF SOUTH OPERATORS, INC.	DRILL	7,400	Y
2009-09-30	685602	42-163-32145	AVANT STEPHENSON #1	PLAN B RESOURCES, LLC	RENTR	7,165
2009-08-28	684574	42-163-32960	RALLY PETROLEUM #1H	U.S. ENERCORP, LTD.	RENTR	7,150	Y
2009-08-28	684574	42-163-32960	RALLY PETROLEUM #1H	U.S. ENERCORP, LTD.	RENTR	7,150	Y
2009-08-13	683892	42-163-33401	TSCHIRHART #1	HARPER HEFTE, INC.	DRILL	6,500
2009-07-28	683202	42-163-33400	MCWILLIAMS HEIRS A #3	VIRTEX OPERATING COMPANY, INC.	DRILL	7,000
2009-07-14	682480	42-163-30418	GULLEY, CALVIN #1	CIVRON PETROLEUM RES., LLC	RENTR	6,945
2009-06-17	681386	42-163-33399	ROCKPILE RANCH #1H	STONEGATE PRODUCTION COMPANY,LLC	DRILL	10,500	Y
2009-05-20	681386	42-163-33399	PANTHER HOLLOW RANCH #1H	STONEGATE PRODUCTION COMPANY,LLC	DRILL	10,500	Y
2009-05-14	681209	42-163-33358	WILLIAMSON #1	ESPADA OPERATING LLC	RECOMP	6,000
2009-04-22	680388	42-163-33335	HARLAN, R. K. #9	VIRTEX OPERATING COMPANY, INC.	RECOMP	6,410
2009-04-14	680084	42-163-33398	R. K. HARLAN #14	VIRTEX OPERATING COMPANY, INC.	DRILL	7,100

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