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
2011-11-19	728459	42-163-33547	JAY HARPOLE #2H	CABOT OIL & GAS CORPORATION	DRILL	15,000	Y
2011-11-17	728205	42-163-33544	JAY HARPOLE #1H	CABOT OIL & GAS CORPORATION	DRILL	15,000	Y
2011-11-17	728156	42-163-33543	S BEEVER ET AL #1H	VIRTEX OPERATING COMPANY, INC.	DRILL	6,500	Y
2011-11-17	727883	42-163-33545	HURRIKAIN #102H	BURNETT OIL CO., INC.	DRILL	8,500	Y
2011-11-17	727883	42-163-33545	HURRIKAIN #102H	BURNETT OIL CO., INC.	DRILL	7,300	Y
2011-11-07	727552	42-163-33542	MONTE LENOSO FRO #A 1H	CHESAPEAKE OPERATING, INC.	DRILL	9,000	Y
2011-11-03	724674	42-163-33459	MCWILLIAMS HEIRS A #1H	VIRTEX OPERATING COMPANY, INC.	RECOMP	6,500	Y
2011-10-31	727225	42-163-33541	TOALSON #1H	ALAMO OPERATING COMPANY, L. C.	DRILL	6,500	Y
2011-10-31	727083	42-163-33540	BENNETT JACKEL UNIT #1H	KILLAM OIL CO., LTD.	DRILL	7,000	Y
2011-10-26	726801	42-163-33539	THOMPSON RANCH #B 1H	EF ENERGY, L.L.C.	DRILL	8,200	Y
2011-10-26	726801	42-163-33539	THOMPSON RANCH #3H	EF ENERGY, L.L.C.	DRILL	8,200	Y
2011-10-26	726801	42-163-33539	THOMPSON RANCH #3H	EF ENERGY, L.L.C.	DRILL	9,000	Y
2011-10-21	726324	42-163-33538	E-F 1893 UNIT #1H	VIRTEX OPERATING COMPANY, INC.	DRILL	6,500	Y
2011-10-05	725586	42-163-33536	COPPEDGE #1H	BLACKBRUSH O & G, INC.	DRILL	8,000	Y
2011-09-28	725062	42-163-33534	SHINER RANCH #G 4H	GOODRICH PETROLEUM COMPANY	DRILL	14,000	Y
2011-09-28	725014	42-163-33535	STEWART - MICHAEL UNIT #1	RICOCHET ENERGY, INC.	DRILL	6,000	Y
2011-09-26	724900	42-163-33533	THOMPSON RANCH #A 1H	EF ENERGY, L.L.C.	DRILL	8,200	Y
2011-09-19	724338	42-163-33531	OPPENHEIMER A #2H	BLACKBRUSH O & G, INC.	DRILL	10,500	Y
2011-09-15	723527	42-163-33521	HARDIN UNIT #A 2H	ZAZA ENERGY, LLC	DRILL	9,000	Y
2011-09-13	723978	42-163-33529	WILSON #H 4H	CHESAPEAKE OPERATING, INC.	DRILL	9,000	Y
2011-09-13	723493	42-163-33528	RB AVANT UNIT #A 2H	ZAZA ENERGY, LLC	DRILL	9,000	Y
2011-09-12	723519	42-163-33520	HARDIN UNIT #A 1H	ZAZA ENERGY, LLC	DRILL	9,000	Y
2011-09-09	723575	42-163-33526	PETERS #3	PREMIER MINERALS, INC.	DRILL	4,500
2011-09-09	723574	42-163-33525	PETERS #2	PREMIER MINERALS, INC.	DRILL	4,500
2011-09-08	723756	42-163-33527	KELFER #1H	VIRTEX OPERATING COMPANY, INC.	DRILL	7,000	Y
2011-09-08	723709	42-163-33524	PEARSALL SWD #1	HIGH ROLLER WELLS, L.L.C.	DRILL	4,900
2011-09-07	723558	42-163-33523	MONTE LENOSA FRO #5H	CHESAPEAKE OPERATING, INC.	DRILL	9,000	Y
2011-09-07	723554	42-163-33522	MONTE LENOSA FRO #1H	CHESAPEAKE OPERATING, INC.	DRILL	9,000	Y
2011-09-06	723488	42-163-33519	RB AVANT UNIT #A 1H	ZAZA ENERGY, LLC	DRILL	9,000	Y
2011-09-06	723488	42-163-33519	RB AVANT UNIT #A 1H	ZAZA ENERGY, LLC	DRILL	9,000	Y
2011-09-02	723361	42-163-33460	HEISER UNIT #1H	BLACKBRUSH O & G, INC.	RECOMP	7,500	Y
2011-08-30	723185	42-163-33517	KOTHMANN #6BH	EF ENERGY, L.L.C.	DRILL	8,400	Y
2011-08-30	723185	42-163-33517	KOTHMANN-RANCH #6BH	EF ENERGY, L.L.C.	DRILL	7,493	Y
2011-08-30	722691	42-163-33518	WILSON #1H	MARATHON OIL COMPANY	DRILL	14,000	Y
2011-08-26	722905	42-163-33516	SHINER RANCH #G 3H	GOODRICH PETROLEUM COMPANY	DRILL	14,000	Y
2011-08-26	722903	42-163-33515	SHINER RANCH #G 2H	GOODRICH PETROLEUM COMPANY	DRILL	14,000	Y
2011-08-25	722603	42-163-33514	LEA SWD #1	TIBURON RESOURCES, INC.	DRILL	9,000
2011-08-24	722644	42-163-33513	CALVERT #2H	BLACKBRUSH O & G, INC.	DRILL	7,500	Y
2011-08-23	722629	42-163-33512	R. H. PICKENS, ET AL 'B' #9H	CABOT OIL & GAS CORPORATION	DRILL	13,000	Y
2011-08-17	722277	42-163-33511	KOTHMANN #6H	EF ENERGY, L.L.C.	DRILL	8,400	Y
2011-08-17	722276	42-163-33510	KOTHMANN #5H	EF ENERGY, L.L.C.	DRILL	8,400	Y
2011-08-17	722276	42-163-33510	KOTHMANN-RANCH #5H	EF ENERGY, L.L.C.	DRILL	7,583	Y
2011-08-15	722150	42-163-33509	MCKINNEY #1H	HUGHES, DAN A. COMPANY, L.P.	DRILL	14,000	Y
2011-08-15	722150	42-163-33509	MCKINNEY #1H	HUGHES, DAN A. COMPANY, L.P.	DRILL	14,000	Y
2011-08-15	722150	42-163-33509	MCKINNEY #1H	HUGHES, DAN A. COMPANY, L.P.	DRILL	14,000	Y
2011-08-12	722084	42-163-33508	3C #1H	RICOCHET ENERGY, INC.	DRILL	7,000	Y
2011-08-12	721923	42-163-33507	WILSON #G 5H	CHESAPEAKE OPERATING, INC.	DRILL	14,000	Y
2011-08-11	721913	42-163-33506	WILSON #G 4H	CHESAPEAKE OPERATING, INC.	DRILL	14,000	Y
2011-08-11	721908	42-163-33505	WILSON #G 1H	CHESAPEAKE OPERATING, INC.	DRILL	14,000	Y
2011-08-11	721908	42-163-33505	WILSON #G 1H	STONEGATE PRODUCTION COMPANY,LLC	DRILL	14,000	Y

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