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
1990-08-07	376236	42-163-32795	LUNA #1	FOSSIL BAY PETROLEUM, INC.	DRILL	9,000	Y
1990-08-07	376228	42-163-32793	BIG IRBY MAINVEIN #1	FENN, BILL INC.	DRILL	9,500	Y
1990-08-07	376228	42-163-32793	BIG IRBY MAINSVEIN #1	FENN, BILL INC.	DRILL	9,500	Y
1990-08-07	376040	42-163-32790	OPPENHEIMER, HERBERT EST. #1	HUGHES, DAN A. COMPANY	DRILL	6,000	Y
1990-08-07	376040	42-163-32790	OPPENHEIMER, HERBERT EST. #1	HUGHES, DAN A. COMPANY	DRILL	6,000	Y
1990-08-06	376295	42-163-32798	KING, J.H. "B" #12	PLACID OIL COMPANY	DRILL	8,386	Y
1990-08-06	376289	42-163-32794	MOORE #1	H.L.S. ENERGY CO., INC.	DRILL	6,300	Y
1990-08-06	376289	42-163-32794	MOORE #1	H.L.S. ENERGY CO., INC.	DRILL	6,300	Y
1990-08-06	376254	42-163-32796	PARADISE #1H	WILLIAMS, CLAYTON W., JR., INC.	DRILL	6,250	Y
1990-08-06	376254	42-163-32796	PARADISE #1H	WILLIAMS, CLAYTON W., JR., INC.	DRILL	6,150	Y
1990-08-03	376240	42-163-30292	BEALL, W.E. #1	BUCK ENERGY, INC.	RECOMP	7,400	Y
1990-08-03	376240	42-163-30292	FERGUSON #1	FERGUSON OIL & GAS INC.	DRILL	7,400	Y
1990-08-02	376198	42-163-32792	NEAL #1	KINLAW OIL CORPORATION	DRILL	6,600	Y
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

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