Frio County Drilling Permits

Every permit issued by the Texas Railroad Commission in Frio County — updated daily, data through 2026-08-19.

Frio County permitting is running 7.3 permits a month over the trailing 90 days (22 total, up 22% on the prior quarter). 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
2013-03-01	757554	42-163-33696	JOHN OPPENHEIMER UNIT #101H	BLACKBRUSH O & G, LLC	DRILL	7,000	Y
2013-02-25	757322	42-163-33695	DILLEY-SWD #2A	EAGLE FORD WATER AND DISPOSL LLC	DRILL	6,000
2013-02-25	757322	42-163-33695	DILLEY-SWD #2A	TREE OPERATING, LLC	DRILL	6,500
2013-02-21	756929	42-163-33694	CHILIPITIN, LTD. #5H	CABOT OIL & GAS CORPORATION	DRILL	13,500	Y
2013-02-21	756929	42-163-33694	CHILIPITIN, LTD. #5H	CABOT OIL & GAS CORPORATION	DRILL	13,500	Y
2013-02-19	756743	42-163-33693	CHILIPITIN, LTD. #4H	CABOT OIL & GAS CORPORATION	DRILL	13,500	Y
2013-02-12	753671	42-163-33684	HARLAN, R. K. #3H	VIRTEX OPERATING COMPANY, INC.	DRILL	6,300	Y
2013-02-07	756143	42-163-33692	CHILIPITIN, LTD. #3H	CABOT OIL & GAS CORPORATION	DRILL	12,000	Y
2013-02-01	755800	42-163-33691	THOMPSON RANCH #4H	EF ENERGY, L.L.C.	DRILL	8,500	Y
2013-02-01	755800	42-163-33691	THOMPSON RANCH #4H	EF ENERGY, L.L.C.	DRILL	9,000	Y
2013-01-30	755533	42-163-33690	CARNES 'B' #12H	BLACKBRUSH O & G, LLC	DRILL	7,500	Y
2013-01-30	754812	42-163-30525	JULIA HARRIS #2	AMERICAN DISPOSAL SERVICES,LTD	RECOMP	6,640
2013-01-30	754809	42-163-30489	J.B. LANCASTER #1	AMERICAN DISPOSAL SERVICES,LTD	RECOMP	7,346
2013-01-22	754819	42-163-33689	WILSON #G 8H	STONEGATE PRODUCTION COMPANY,LLC	DRILL	9,000	Y
2013-01-22	754819	42-163-33689	WILSON #G 8H	STONEGATE PRODUCTION COMPANY,LLC	DRILL	9,000	Y
2013-01-15	754281	42-163-33688	RALLY PETROLEUM #5H	U.S. ENERCORP, LTD.	DRILL	7,143	Y
2013-01-11	753997	42-163-33687	BENNETT #1H	GOODRICH PETROLEUM COMPANY	DRILL	11,500	Y
2013-01-04	753942	42-163-33686	FERGUSON #2H	BLACKBRUSH O & G, LLC	DRILL	7,000	Y
2013-01-03	753861	42-163-33685	R.H. PICKENS, ET AL 'A' #102H	CABOT OIL & GAS CORPORATION	DRILL	17,000	Y
2012-12-28	753608	42-163-33683	R. H. PICKENS, ET AL 'B' #102H	CABOT OIL & GAS CORPORATION	DRILL	17,000	Y
2012-12-18	753224	42-163-33682	BRUNDRETT-COHEN UNIT #1H	U.S. ENERCORP, LTD.	DRILL	7,121	Y
2012-12-11	752802	42-163-33678	BERRY CREEK RANCH #1	ATERRA EXPLORATION, LLC	DRILL	7,500	Y
2012-11-30	751431	42-163-33677	GPC GEMINI #1H	GOODRICH PETROLEUM COMPANY	DRILL	9,000	Y
2012-11-29	752058	42-163-33676	MARRS MCLEAN #3H	EF ENERGY, L.L.C.	DRILL	8,200	Y
2012-11-29	752058	42-163-33676	MARRS MCLEAN #3H	EF ENERGY, L.L.C.	DRILL	8,200	Y
2012-11-29	752058	42-163-33676	SADDLEBRED 1H #1H	CABOT OIL & GAS CORPORATION	DRILL	8,200	Y
2012-11-26	751800	42-163-33675	BOLL UNIT FRO #F 8H	CHESAPEAKE OPERATING, INC.	DRILL	9,000	Y
2012-11-26	751800	42-163-33675	BOLL FRO #F 8H	CHESAPEAKE OPERATING, INC.	DRILL	9,000	Y
2012-11-26	751800	42-163-33675	BOLL FRO #F 8H	EXCO OPERATING COMPANY, LP	DRILL	9,000	Y
2012-11-21	746956	42-163-33648	BRICE SWD #2	BOSQUE DISPOSAL SYSTEMS, LLC	DRILL	6,100
2012-11-14	751308	42-163-33673	JACKSON, ET AL-EAST UNIT #101H	CABOT OIL & GAS CORPORATION	DRILL	18,500	Y
2012-11-07	750972	42-163-33672	JACKSON, ET AL-WEST UNIT #101H	CABOT OIL & GAS CORPORATION	DRILL	18,500	Y
2012-11-07	750966	42-163-33671	PALS RANCH #12H	BLACKBRUSH O & G, LLC	DRILL	12,000	Y
2012-11-02	750703	42-163-33670	WELDON SCHORP-PRICKLY PEAR UNIT #101H	CABOT OIL & GAS CORPORATION	DRILL	18,500	Y
2012-11-02	750703	42-163-33670	WELDON SCHORP-PRICKLY PEAR UNIT #101H	CABOT OIL & GAS CORPORATION	DRILL	18,500	Y
2012-11-02	750555	42-163-33585	STEWART #4RE	RICOCHET ENERGY, INC.	RECOMP	5,500	Y
2012-11-02	750555	42-163-33585	STEWART #4RE	RICOCHET ENERGY, INC.	RECOMP	5,500	Y
2012-10-31	750553	42-163-33669	BLAINE SCHORP, ET AL. UNIT #101H	CABOT OIL & GAS CORPORATION	DRILL	17,000	Y
2012-10-29	750354	42-163-33667	HBR #8HD	BRC OPERATING COMPANY LLC	DRILL	9,600	Y
2012-10-29	750349	42-163-33668	HBR #7HD	BRC OPERATING COMPANY LLC	DRILL	9,600	Y
2012-10-29	750345	42-163-33666	HBR #6HD	BRC OPERATING COMPANY LLC	DRILL	9,600	Y
2012-10-29	750186	42-163-33665	MCWILLLIAMS HEIRS A #8H	VIRTEX OPERATING COMPANY, INC.	DRILL	6,500	Y
2012-10-29	748255	42-163-33664	FOXBOROUGH SWD #1	FOXBOROUGH ENERGY COMPANY, LLC	DRILL	6,000
2012-10-18	749728	42-163-33663	MCKINNEY #2H	HUGHES, DAN A. COMPANY, L.P.	DRILL	13,300	Y
2012-10-18	749728	42-163-33663	MCKINNEY #2H	HUGHES, DAN A. COMPANY, L.P.	DRILL	13,300	Y
2012-10-16	749541	42-163-33661	HBR #5HD	BRC OPERATING COMPANY LLC	DRILL	9,600	Y
2012-10-16	749535	42-163-33660	HBR #4HD	BRC OPERATING COMPANY LLC	DRILL	9,600	Y
2012-10-15	749552	42-163-33662	CAT-DILLEY SWD #3	CATARINA SALT WATER DISPOSAL,LLC	DRILL	6,600
2012-10-10	749298	42-163-33659	BAKER BROTHERS #1	ALAMO OPERATING COMPANY, L. C.	DRILL	4,000
2012-10-08	749042	42-163-33658	KOTHMANN-KERR UNIT #2H	EF ENERGY, L.L.C.	DRILL	8,300	Y

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