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
2012-04-12	735873	42-163-33584	WILLIAMS TRUST #1	HARPER HEFTE, INC.	DRILL	6,500
2012-04-10	736676	42-163-33582	OPPENHEIMER A #3H	BLACKBRUSH O & G, INC.	DRILL	6,500	Y
2012-04-10	736676	42-163-33582	OPPENHEIMER A #3	BLACKBRUSH O & G, INC.	DRILL	6,500
2012-04-10	736676	42-163-33582	OPPENHEIMER A #3	BLACKBRUSH O & G, LLC	DRILL	6,500
2012-04-05	736632	42-163-33580	CHILIPITIN, LTD. #2H	CABOT OIL & GAS CORPORATION	DRILL	12,000	Y
2012-04-05	736632	42-163-33580	CHILIPITIN, LTD. #2H	CABOT OIL & GAS CORPORATION	DRILL	12,000	Y
2012-04-05	736626	42-163-33581	CHILIPITIN, LTD. #1H	CABOT OIL & GAS CORPORATION	DRILL	12,000	Y
2012-04-05	735858	42-163-30434	BISSETT #1	AMBASSADOR PETROLEUM, INC.	RENTR	6,572
2012-04-04	736703	42-163-33583	CAT-DILLEY SWD #2	CATARINA SALT WATER DISPOSAL,LLC	DRILL	6,100
2012-03-28	736229	42-163-33579	R.H. PICKENS, ET AL A9 UNIT #9H	CABOT OIL & GAS CORPORATION	DRILL	13,000	Y
2012-03-26	736057	42-163-33578	HBR #7HA	BRC OPERATING COMPANY LLC	DRILL	7,000	Y
2012-03-24	735894	42-163-33576	HARPER RANCH #B 3H	HESS CORPORATION	DRILL	7,240	Y
2012-03-24	735882	42-163-33577	HARPER RANCH #B 2H	HESS CORPORATION	DRILL	7,240	Y
2012-03-24	735882	42-163-33577	HARPER RANCH #B 2H	HESS CORPORATION	DRILL	7,329	Y
2012-03-21	735351	42-163-33575	NEWSOM #1H	AWP OPERATING COMPANY	DRILL	5,140	Y
2012-03-21	735351	42-163-33575	NEWSOM #1H	AWP OPERATING COMPANY	DRILL	5,348	Y
2012-03-14	735219	42-163-33574	SCHORP-WHITE RANCH, LTD. #1H	CABOT OIL & GAS CORPORATION	DRILL	18,000	Y
2012-03-14	735219	42-163-33574	SCHORP-WHITE RANCH, LTD. #101H	CABOT OIL & GAS CORPORATION	DRILL	18,000	Y
2012-03-14	735219	42-163-33574	SCHORP-WHITE RANCH, LTD. #101H	CABOT OIL & GAS CORPORATION	DRILL	18,000	Y
2012-03-10	734918	42-163-33573	RIGGAN #1H	RICOCHET ENERGY, INC.	DRILL	6,000	Y
2012-03-08	734673	42-163-33572	KELFER #2H	VIRTEX OPERATING COMPANY, INC.	DRILL	7,000	Y
2012-03-06	734457	42-163-33571	HARPER RANCH #A 1V	HESS CORPORATION	DRILL	7,480
2012-03-06	734457	42-163-33571	HARPER RANCH #A 1V	HESS CORPORATION	DRILL	7,480
2012-03-02	734254	42-163-33570	HBR #3HB	BRC OPERATING COMPANY LLC	DRILL	6,500	Y
2012-02-28	734253	42-163-33569	HBR #2HB	BRC OPERATING COMPANY LLC	DRILL	6,500	Y
2012-02-28	733406	42-163-00585	CROUCH #10	MAVERICK ENERGY GROUP, INC.	RENTR	4,000
2012-02-28	733398	42-163-00549	CROUCH #9	MAVERICK ENERGY GROUP, INC.	RENTR	4,000
2012-02-22	733555	42-163-33568	HARDIN UNIT #B 3H	HESS CORPORATION	DRILL	7,158	Y
2012-02-21	733483	42-163-33567	J.C. WILLIAMS HEIRS #1H	CABOT OIL & GAS CORPORATION	DRILL	14,000	Y
2012-02-21	733483	42-163-33567	J.C. WILLIAMS HEIRS #101H	CABOT OIL & GAS CORPORATION	DRILL	18,000	Y
2012-02-08	732702	42-163-33566	CALVERT #3H	BLACKBRUSH O & G, INC.	DRILL	6,500	Y
2012-02-08	732702	42-163-33566	CALVERT #3H	BLACKBRUSH O & G, INC.	DRILL	6,500	Y
2012-02-07	732603	42-163-33565	HOYLE-KOTHMANN #1H	VIRTEX OPERATING COMPANY, INC.	DRILL	6,500	Y
2012-02-06	732445	42-163-33564	RB AVANT UNIT #B 4H	HESS CORPORATION	DRILL	7,523	Y
2012-02-06	732445	42-163-33564	RB AVANT UNIT #B 4H	HESS CORPORATION	DRILL	7,523	Y
2012-02-06	732408	42-163-33562	RB AVANT UNIT #B 3H	HESS CORPORATION	DRILL	7,712	Y
2012-02-03	732073	42-163-33563	3C UNIT #2H	RICOCHET ENERGY, INC.	DRILL	7,000	Y
2012-01-27	732037	42-163-33561	BURNS RANCH A #50H	GOODRICH PETROLEUM COMPANY	DRILL	17,000	Y
2012-01-19	731477	42-163-33560	LITTLE-DUKES UNIT #1H	VIRTEX OPERATING COMPANY, INC.	DRILL	6,500	Y
2012-01-13	731020	42-163-33558	TURMAN #109H	TEXAS AMERICAN RESOURCES COMPANY	DRILL	7,890	Y
2012-01-13	731020	42-163-33558	TURMAN #109H	TEXAS AMERICAN RESOURCES COMPANY	DRILL	7,890	Y
2012-01-11	731078	42-163-33559	CARNES 'B' #10H	BLACKBRUSH O & G, INC.	DRILL	7,500	Y
2012-01-10	731033	42-163-33557	PALS RANCH #10H	BLACKBRUSH O & G, INC.	DRILL	8,000	Y
2012-01-05	728388	42-163-33546	HERNANDEZ-CIOLETTI #1H	BLACKBRUSH O & G, INC.	DRILL	8,000	Y
2011-12-21	730162	42-163-33556	MARRS MCLEAN A/C UNIT #3H	VIRTEX OPERATING COMPANY, INC.	DRILL	6,500	Y
2011-12-21	730162	42-163-33556	MARRS MCLEAN UNIT #3H	VIRTEX OPERATING COMPANY, INC.	DRILL	6,500	Y
2011-12-09	729420	42-163-33555	MARRS MCLEAN #1H	EF ENERGY, L.L.C.	DRILL	8,200	Y
2011-12-09	729420	42-163-33555	AMERICAN QUARTER 1H #1H	CABOT OIL & GAS CORPORATION	DRILL	8,200	Y
2011-12-09	729295	42-163-33554	HURRIKAIN #103H	BURNETT OIL CO., INC.	DRILL	8,500	Y
2011-12-01	728979	42-163-33553	JENNINGS UNIT #12H	CARRIZO OIL & GAS, INC.	DRILL	11,000	Y

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