Frio County Drilling Permits

Every permit issued by the Texas Railroad Commission in Frio County — updated daily, data through 2026-07-27.

Frio County permitting is running 7.3 permits a month over the trailing 90 days (22 total, level with the prior quarter). 1 was 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

2026-07-27

All Time

4,288

4,288 permits

ISSUED	PERMIT	API	LEASE	OPERATOR	TYPE	DEPTH	HZ
1990-07-31	376118	42-163-32791	SOLCHER #1	AMPAK OIL COMPANY	DRILL	8,500	Y
1990-07-31	376118	42-163-32791	SOLCHER #1	AMPAK OIL COMPANY	DRILL	5,866	Y
1990-07-30	375954	42-163-32787	BURNS "A" #3	WILLIAMS, CLAYTON W., JR., INC.	DRILL	7,450	Y
1990-07-27	375977	42-163-32789	HUNTER #1H	DIAMOND PETROLEUM	DRILL	9,500	Y
1990-07-27	375977	42-163-32789	HUNTER, B.V. #1H	DIAMOND PETROLEUM	DRILL	9,500	Y
1990-07-27	375870	42-163-32786	TSCHIRHART, L. #2A	FOSSIL BAY PETROLEUM, INC.	DRILL	7,000
1990-07-26	375973	42-163-32788	PALS RANCH #5	CHRISTICO PETROLEUM COMPANY	DRILL	10,500	Y
1990-07-26	375973	42-163-32788	PALS RANCH #5	CHRISTICO PETROLEUM COMPANY	DRILL	10,500	Y
1990-07-26	375973	42-163-32788	PALS RANCH #5	CHRISTICO PETROLEUM COMPANY	DRILL	10,023	Y
1990-07-26	375919	42-163-32062	HILDEBRAND, IRA #1	BARNES, LARRY PETROLEUM, INC.	RECOMP	6,900	Y
1990-07-26	375919	42-163-32062	HILDEBRAND, IRA #1	BARNES, LARRY PETROLEUM, INC.	RECOMP	6,684	Y
1990-07-26	374233	42-163-30713	KLOPEK #2	DURST OIL COMPANY	RECOMP	7,000	Y
1990-07-26	374233	42-163-30713	KLOPEK #2	DURST OIL COMPANY	RECOMP	7,000	Y
1990-07-25	375490	42-163-32778	MCKINLEY "A" #1	TAMARACK PETROLEUM COMPANY, INC.	DRILL	5,950	Y
1990-07-20	375733	42-163-32785	GOUGER #1	ASPEN SERVICES	DRILL	6,900	Y
1990-07-19	375696	42-163-32784	UNION TEXAS HUGO #1	WILLIAMS, CLAYTON W., JR., INC.	DRILL	7,100	Y
1990-07-19	375696	42-163-32784	UNION TEXAS HUGO #1	WILLIAMS, CLAYTON W., JR., INC.	DRILL	7,100	Y
1990-07-19	375619	42-163-32782	HARLAN #1	PENWELL ENERGY, INC.	DRILL	13,000	Y
1990-07-19	375571	42-163-32781	JOHNSON #1	FENN, BILL INC.	DRILL	7,500	Y
1990-07-18	375672	42-163-32783	AVANT-MASSEY "A" #1	DALE OPERATING COMPANY	DRILL	7,300	Y
1990-07-18	375332	42-163-32773	WRIGHT, ALICE #1	WEBER ENERGY CORPORATION	RECOMP	9,900	Y
1990-07-18	375206	42-163-32770	MILLS, J. C. #5	FLOURNOY PRODUCTION CO.	DRILL	6,500	Y
1990-07-16	375384	42-163-32777	BURNS, JANE #3E	SHELL WESTERN E&P INC.	DRILL	7,852	Y
1990-07-16	375384	42-163-32777	BURNS, JANE #3E	SHELL WESTERN E&P INC.	DRILL	9,102	Y
1990-07-16	375361	42-163-30634	EVELYN #1	FENN, BILL INC.	RECOMP	9,000	Y
1990-07-16	375182	42-163-32769	TURNHAM, J.C. #3	MAGNUM PRODUCING & OPERATING CO.	DRILL	11,000	Y
1990-07-15	375613	42-163-32780	COKER, CHESNEY #2	KINLAW OIL CORPORATION	DRILL	6,500	Y
1990-07-15	375613	42-163-32780	COKER, CHESNEY #2	KINLAW OIL CORPORATION	DRILL	5,897	Y
1990-07-13	375483	42-163-30288	MILLS, J. C. #4	FLOURNOY PRODUCTION CO.	DRILL	6,350	Y
1990-07-13	375470	42-163-32779	THOMPSON, HARDY #1	HOPI, INC.	DRILL	9,000	Y
1990-07-13	375470	42-163-32779	THOMPSON, HARDY #1	HOPI, INC.	DRILL	9,000	Y
1990-07-13	375274	42-163-32337	BIG FOOT OLMOS 'B' SAND UNIT #408AH	SHELL WESTERN E&P INC.	RECOMP	5,350	Y
1990-07-12	374719	42-163-32758	WILLIAMS #1	CENTRAL TEXAS OIL & GAS	DRILL	8,500	Y
1990-07-12	374719	42-163-32758	WILLIAMS, MARIE #1	DALE OPERATING COMPANY	DRILL	8,000	Y
1990-07-11	375378	42-163-32776	AVANT, J.R. -B- #1	ORYX ENERGY COMPANY	DRILL	11,100	Y
1990-07-11	375378	42-163-32776	AVANT, J.R. -B- #1	ORYX ENERGY COMPANY	DRILL	11,100	Y
1990-07-11	375333	42-163-32772	THOMPSON, J.C. JR. #4	GLG ENERGY, L.P.	DRILL	10,500	Y
1990-07-10	375377	42-163-32775	HARKNESS, MAGGIE #1	COFFMAN & TEMPLE	DRILL	5,400	Y
1990-07-09	375268	42-163-30503	SHINER RANCH #101	ORYX ENERGY COMPANY	RECOMP	8,000	Y
1990-07-06	375258	42-163-32771	BENNETT #1	PENDRAGON OIL CO.	DRILL	11,300	Y
1990-07-06	375258	42-163-32771	BENNETT #1	PENDRAGON OIL CO.	DRILL	11,300	Y
1990-07-03	374991	42-163-30391	BAKER SWD #4	WILLIAMS, CLAYTON W., JR., INC.	RENTR	5,515
1990-07-02	375116	42-163-32767	PEARSALL PARTNERS/GLG W.A.CARNES #4	PEARSALL PARTNERS	DRILL	11,000	Y
1990-06-29	375056	42-163-32768	MADIE #1	H.L.S. ENERGY CO., INC.	DRILL	6,300	Y
1990-06-28	375012	42-163-32766	RIGGS, PEBBLES #1	AUBURN ENTERPRISES, INC.	RECOMP	9,900	Y
1990-06-27	374964	42-163-32765	CDV-CORBIN "A" #1	HOPI, INC.	DRILL	8,300	Y
1990-06-27	374963	42-163-32764	JONES, G. #1	TIDE WEST OIL COMPANY	DRILL	7,500	Y
1990-06-27	374935	42-163-32763	NICHOLSON, J. H. #1	ORYX ENERGY COMPANY	DRILL	10,000	Y
1990-06-27	374935	42-163-32763	NICHOLSON, J. H. #1	ORYX ENERGY COMPANY	DRILL	9,574	Y
1990-06-27	374928	42-163-32762	STRAIT/COYNE #1	PACIFIC ENTERPRISES OIL CO.(USA)	DRILL	6,500	Y

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