Frio County Drilling Permits

Every permit issued by the Texas Railroad Commission in Frio County — updated daily, data through 2026-09-11.

Frio County permitting is running 8.0 permits a month over the trailing 90 days (24 total, up 33% on the prior quarter). 2 were issued in the past week. FORMENTERA OPERATIONS LLC leads with 46 permits in the past 12 months, one of 7 operators active in the county.

Last 30 Days

Operators (30d)

Latest Permit

2026-09-11

All Time

4,301

4,301 permits

ISSUED	PERMIT	API	LEASE	OPERATOR	TYPE	DEPTH	HZ
1990-09-07	377038	42-163-32818	MCKINLEY, A. E. #H 1	TULAROSA OPERATING COMPANY	DRILL	6,500	Y
1990-09-06	377619	42-163-32831	OPPENHEIMER #1	SABRE OPERATING, INC.	DRILL	7,800	Y
1990-09-06	377566	42-163-32830	HILDEBRAND, IRA P. #2	EXXON CORP.	DRILL	8,520	Y
1990-09-05	377490	42-163-32829	BATTAGLIA, VIVIAN #1	ELLSWORTH, H. P. O&G PROPERTIES	DRILL	6,800	Y
1990-09-05	377490	42-163-32829	BATTAGLIA, VIVIAN #1	ELLSWORTH, H. P. O&G PROPERTIES	DRILL	6,900	Y
1990-09-05	377405	42-163-32826	KAIN #2	WILLIAMS, CLAYTON W., JR., INC.	DRILL	6,900	Y
1990-09-05	377405	42-163-32826	KAIN #2	WILLIAMS, CLAYTON W., JR., INC.	DRILL	6,900	Y
1990-09-04	377514	42-163-32675	DILLEY WAY SOUTH #1	DALE OPERATING COMPANY	RECOMP	7,800	Y
1990-09-04	377511	42-163-32027	DAVIS, RUTH DAKIN "A" #1	SANCHEZ-O'BRIEN / TEXACO INC.	RENTR	7,090
1990-09-04	377511	42-163-32027	DAVIS, RUTH DAKIN "A" #1	SANCHEZ-O'BRIEN / TEXACO INC.	OTHER	8,600	Y
1990-09-04	377511	42-163-32027	DAVIS, RUTH DAKIN #1A	SANCHEZ-O'BRIEN / TEXACO INC.	OTHER	8,600	Y
1990-09-04	377507	42-163-32108	HILDEBRAND, IRA #4	BARNES, LARRY PETROLEUM, INC.	DRILL	6,900	Y
1990-09-04	377506	42-163-32828	JOHNSON #1	KINLAW OIL CORPORATION	DRILL	6,800	Y
1990-09-04	377406	42-163-32825	HILDEBRAND #6	WILLIAMS, CLAYTON W., JR., INC.	DRILL	7,000	Y
1990-08-31	377459	42-163-32827	PANTHER HOLLOW -A- #3	ORYX ENERGY COMPANY	DRILL	11,700	Y
1990-08-29	377291	42-163-32824	AVANT ESTATE UNIT #1	DALE OPERATING COMPANY	DRILL	7,300	Y
1990-08-27	377063	42-163-32821	UNION TEXAS CARNES #1	WILLIAMS, CLAYTON W., JR., INC.	DRILL	6,200	Y
1990-08-24	377115	42-163-32823	TURNHAM #1	SANCHEZ-O'BRIEN / TEXACO INC.	DRILL	8,600	Y
1990-08-24	377111	42-163-32822	VOSS #C 1	TAMARACK PETROLEUM COMPANY, INC.	DRILL	5,440	Y
1990-08-24	377083	42-163-32820	CHIODO "C" #5	WCS OIL AND GAS CORPORATION	DRILL	7,500	Y
1990-08-23	377039	42-163-32819	CARRINGTON-STEWART UNIT I #1	HYDROEX, INC.	DRILL	7,200	Y
1990-08-23	377039	42-163-32819	CARRINGTON-STEWART UNIT I #1	HYDROEX, INC.	DRILL	7,200	Y
1990-08-23	377038	42-163-32818	MCKINLEY, A. E. #H 1	TULAROSA OPERATING COMPANY	DRILL	5,600	Y
1990-08-23	377037	42-163-32817	BMW UNIT #1	WINDSOR EXPLORATION COMPANY	DRILL	6,700	Y
1990-08-23	377037	42-163-32817	BMW UNIT #1	WINDSOR EXPLORATION COMPANY	DRILL	6,700	Y
1990-08-23	376993	42-163-32816	HURT #1	PACIFIC ENTERPRISES OIL CO.(USA)	DRILL	7,000	Y
1990-08-22	376973	42-163-32815	KOTHMANN #1	EL-TEX PETROLEUM INC.	DRILL	7,700	Y
1990-08-22	376938	42-163-32814	EDWARDS, ANN #3	COASTAL OIL & GAS CORPORATION	DRILL	9,000	Y
1990-08-22	376862	42-163-32813	BURNS "A" #6	WILLIAMS, CLAYTON W., JR., INC.	DRILL	7,300	Y
1990-08-22	376861	42-163-32811	BURNS "A" #5	WILLIAMS, CLAYTON W., JR., INC.	DRILL	7,300	Y
1990-08-21	376860	42-163-32812	BURNS "A" #4	WILLIAMS, CLAYTON W., JR., INC.	DRILL	7,400	Y
1990-08-21	376860	42-163-32812	BURNS "A" #4	WILLIAMS, CLAYTON W., JR., INC.	DRILL	7,600	Y
1990-08-21	376718	42-163-32809	MCKINNEY, M. E. #1	GLG ENERGY, L.P.	DRILL	11,200	Y
1990-08-21	376718	42-163-32809	MCKINNEY, M. E. #1	GLG ENERGY, L.P.	DRILL	10,397	Y
1990-08-20	376764	42-163-32810	HANSON #1	H.L.S. ENERGY CO., INC.	DRILL	5,100	Y
1990-08-17	376716	42-163-32808	GIDLEY #1	TIDE WEST OIL COMPANY	DRILL	7,000	Y
1990-08-16	376710	42-163-32807	BUCKLEY, CLIFFORD ET AL #2	CANTRO EXPLORATION, INC.	DRILL	7,500	Y
1990-08-16	376710	42-163-32807	BUCKLEY, CLIFFORD ET AL #2	CANTRO EXPLORATION, INC.	DRILL	7,500	Y
1990-08-16	376707	42-163-32806	JOHNSTON #2	BRAYTON OIL CORP.	DRILL	6,000	Y
1990-08-16	376555	42-163-32802	CAMPBELL UNIT #1	ASPEN SERVICES	DRILL	11,000	Y
1990-08-16	376482	42-163-32803	HILDEBRAND #4	WILLIAMS, CLAYTON W., JR., INC.	DRILL	7,000	Y
1990-08-16	375291	42-163-32774	RACHEL B #1	FENN, BILL INC.	DRILL	11,000	Y
1990-08-16	375291	42-163-32774	RACHEL B #1	FENN, BILL INC.	DRILL	11,000	Y
1990-08-15	376579	42-163-32804	LEWTON #1	HINTON PRODUCTION COMPANY	DRILL	9,950	Y
1990-08-14	376611	42-163-32805	RIGGAN, J. M. "A" #1	MOMENTUM OIL & GAS CORPORATION	DRILL	8,500	Y
1990-08-14	376611	42-163-32805	RIGGAN, J. M. "A" #1	MOMENTUM OIL & GAS CORPORATION	DRILL	8,500	Y
1990-08-10	376466	42-163-32800	PEARSALL PARTNERS/GLG W.A.CARNES #5	PEARSALL PARTNERS	DRILL	11,000	Y
1990-08-08	376366	42-163-32255	MCDONALD #6	NUTECH EXPLORATION, INC.	RECOMP	8,000	Y
1990-08-08	376274	42-163-32797	CARTER, D. J. #2	GLG ENERGY, L.P.	DRILL	9,500	Y
1990-08-07	376334	42-163-32799	BRUNDRETT, H. A. #1	CANYON RESOURCES, INC	DRILL	6,000	Y

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