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 7.0 permits a month over the trailing 90 days (21 total, level with 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
1988-05-25	347002	42-163-32566	PICKENS, W. L. #8	PLAINS PETROLEUM OPERATING CO.	DRILL	1,250
1988-05-23	346881	42-163-32565	PICKENS, W. L. #5	PLAINS PETROLEUM OPERATING CO.	DRILL	1,250
1988-05-17	346666	42-163-32564	PICKENS, W.L. #01	BAXTER, MURPHY H.	DRILL	6,000
1988-04-29	345889	42-163-32526	BURNS RANCH #1	WILLIAMS, CLAYTON W., JR., INC.	RECOMP	8,000
1988-03-29	344466	42-163-32563	SHINER RANCH "A" #1	WATCO ENERGY, INC.	DRILL	8,000
1988-03-10	343577	42-163-32561	BURNS "F" #8A	MID-WESTERN OIL & GAS, INC.	DRILL	3,600
1988-03-10	343575	42-163-32560	BURNS "G" #7A	MID-WESTERN OIL & GAS, INC.	DRILL	3,600
1988-03-09	343625	42-163-32562	BENKE, LLOYD #8	PLAINS PETROLEUM OPERATING CO.	DRILL	6,275
1988-02-24	343132	42-163-32559	SIESTADERO #1	PLACER OIL CO.	DRILL	1,550
1988-02-08	342160	42-163-32558	SMITH "A" #1	PLACER OIL CO.	DRILL	3,000
1988-02-01	342133	42-163-32557	BURNS #6A	MID-WESTERN OIL & GAS, INC.	DRILL	3,600
1988-01-29	342078	42-163-32093	PALS RANCH #3	CANNAN, MORRIS	RENTR	7,700
1988-01-19	341352	42-163-32555	BURNS #2A	MID-WESTERN OIL & GAS, INC.	DRILL	3,600
1988-01-19	341351	42-163-32556	BURNS #3A	MID-WESTERN OIL & GAS, INC.	DRILL	3,600
1988-01-14	341350	42-163-32554	BURNS #4A	MID-WESTERN OIL & GAS, INC.	DRILL	3,600
1988-01-06	341025	42-163-32553	COMBS, DAVID S. #5	EVERGREEN OIL & GAS	DRILL	3,300
1988-01-06	341024	42-163-32551	COMBS, DAVID S. #4	EVERGREEN OIL & GAS	DRILL	3,300
1988-01-06	341023	42-163-32552	COMBS, DAVID S. #3	EVERGREEN OIL & GAS	DRILL	3,300
1987-12-16	339629	42-163-32548	WHITE UNIT #1	DURST ENERGY CORPORATION	DRILL	5,700
1987-12-15	339972	42-163-32549	BURNS #5A	MID-WESTERN OIL & GAS, INC.	DRILL	3,600
1987-12-11	340046	42-163-32550	AVANT, F. J. #1A	COOKE & DONNELLY EXPLORATION,INC	DRILL	7,100
1987-11-23	339071	42-163-00615	MCDONALD, W. M. #2	SAMS EXPLORATION, INC.	RENTR	3,625
1987-11-23	339070	42-163-32546	MCDONALD, W. M. #1	SAMS EXPLORATION, INC.	DRILL	3,625
1987-11-23	339020	42-163-32240	NIXON-DILLARD #2	MG EXPLORATION, INC.	RECOMP	4,400	Y
1987-11-16	338804	42-163-32545	COMBS, DAVID S. #2	EVERGREEN OIL & GAS	DRILL	3,300
1987-11-13	338802	42-163-32544	BURNS #1A	MID-WESTERN OIL & GAS, INC.	DRILL	3,600
1987-11-10	338649	42-163-32543	WALKER #1	UNION PACIFIC RESOURCES COMPANY	DRILL	5,000
1987-10-13	337313	42-163-32531	BURNS HEIRS #2	WILLIAMS, CLAYTON W., JR., INC.	RECOMP	7,550
1987-10-13	337313	42-163-32531	BURNS HEIRS #2	WILLIAMS, CLAYTON W., JR., INC.	RECOMP	7,550	Y
1987-09-28	336230	42-163-32542	WILMETH, RUPERT M. #1	NORTHWOOD OPERATING CO.	DRILL	7,200
1987-09-23	336344	42-163-00890	OPPENHEIMER-LANG #6	PLAINS PETROLEUM OPERATING CO.	RENTR	5,560
1987-08-06	333603	42-163-32540	COMBS, DAVID S. #1	EVERGREEN OIL & GAS	DRILL	3,300
1987-06-17	323558	42-163-32528	SHINER HEIRS #15	WILLIAMS, CLAYTON W., JR., INC.	DRILL	7,600
1987-06-15	331462	42-163-30154	ALLERKAMP, ERNEST E. #1	ALLERKAMP, ERNEST E.	RECOMP	6,190
1987-06-12	331564	42-163-32539	PALS RANCH #2	CANNAN, MORRIS	DRILL	7,700
1987-03-24	328058	42-163-32538	MORALES UNIT #1	WILLIAMS, CLAYTON W., JR., INC.	DRILL	7,600
1987-03-17	327630	42-163-32537	THOMPSON, CAROLYN A #2	HINES, ARNOLD L.	DRILL	1,000
1987-03-02	326126	42-163-32535	THOMPSON, CAROLYN ATCHISON #1	HINES, ARNOLD L.	DRILL	975
1987-02-23	326801	42-163-32536	THOMPSON, CAROLYN ATCHISON #2	HINES, ARNOLD L.	DRILL	1,000
1987-02-17	326077	42-163-00236	WEBB THOMPSON "B" #23	SHELL WESTERN E&P INC.	RECOMP	3,693
1987-02-05	325957	42-163-30206	COMBS, M. K. #1	BAR D OIL CORPORATION	RECOMP	6,614
1987-01-16	325485	42-163-32534	KOTHMAN, E. B. #1	HOLDEN ENERGY CORPORATION	DRILL	5,650
1986-12-09	323967	42-163-32056	HARPER #1	CENTRAL TEXAS OIL & GAS	RENTR	7,360
1986-12-04	323932	42-163-32533	OPPENHEIMER & LANG #1	MCA PETROLEUM CORPORATION	DRILL	600
1986-10-30	320369	42-163-32528	LEWTON, FRANCES #15	WILLIAMS, CLAYTON W., JR., INC.	DRILL	7,650
1986-10-22	322070	42-163-32531	BURNS HEIRS #2	WILLIAMS, CLAYTON W., JR., INC.	DRILL	7,900
1986-10-21	322149	42-163-32532	SHINER RANCH -C- #207	TEXACO PRODUCING INC.	DRILL	8,000
1986-09-30	321262	42-163-32530	REPPERT AND SMYTH #1	CCV, INC.	DRILL	4,000
1986-09-19	320778	42-163-32529	THOMPSON #1	CCV, INC.	DRILL	4,000
1986-09-09	320321	42-163-32527	BURNS RANCH #2	WILLIAMS, CLAYTON W., JR., INC.	DRILL	7,700

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