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
1991-03-19	385853	42-163-30586	WEST COAST FARMS #2	BELSON OPERATING	RENTR	7,530
1991-03-18	385864	42-163-33035	LABATT, "A" #01	TEXAKOMA OIL & GAS CORPORATION	DRILL	8,700	Y
1991-03-15	385787	42-163-33034	NEWTON, CARL D. JR. #2	PEARSALL PARTNERS	DRILL	10,500	Y
1991-03-15	385768	42-163-33033	PARADISE #4H	WILLIAMS, CLAYTON W., JR., INC.	DRILL	6,100	Y
1991-03-14	385750	42-163-33032	ZEPEDA #5	CHESAPEAKE OPERATING, INC.	DRILL	6,100	Y
1991-03-14	385748	42-163-33031	STACEY, W.E. & SONS ET AL #2	PEARSALL PARTNERS	DRILL	10,000	Y
1991-03-14	385683	42-163-33030	HENDERSON #2	CHRISTICO PETROLEUM COMPANY	DRILL	10,000	Y
1991-03-13	385668	42-163-33029	CYCLONE #3	WEBER ENERGY CORPORATION	DRILL	9,900	Y
1991-03-11	385560	42-163-33028	WILLIAMS, C. #1	CHRISTICO PETROLEUM COMPANY	DRILL	11,000	Y
1991-03-11	385560	42-163-33028	WILLIAMS, CARL #1	TEXITA PROPERTIES COMPANY	DRILL	6,300	Y
1991-03-08	385487	42-163-33027	VOSS "D" #1	TAMARACK PETROLEUM COMPANY, INC.	DRILL	5,500	Y
1991-03-07	385428	42-163-33026	ASTRO, HUGO #3H	WINDSOR EXPLORATION COMPANY	DRILL	7,000	Y
1991-03-07	385412	42-163-33025	HENDERSON #1H	DIAMOND PETROLEUM	DRILL	9,700	Y
1991-03-07	385411	42-163-33024	STEWART-MENEFEE UNIT III #1	HYDROEX, INC.	DRILL	7,100	Y
1991-03-07	385384	42-163-33023	TALASEK #1	KINLAW OIL CORPORATION	DRILL	5,900	Y
1991-03-07	385383	42-163-33022	HARRIS A POOLED UNIT #5	DALE OPERATING COMPANY	DRILL	7,300	Y
1991-03-07	385383	42-163-33022	HARRIS A POOLED UNIT #5	DALE OPERATING COMPANY	DRILL	7,300	Y
1991-03-07	385377	42-163-33021	PANTHER HOLLOW #40	ORYX ENERGY COMPANY	DRILL	11,200	Y
1991-03-06	385363	42-163-33020	SARTAIN, E. G. ET AL #1	PEARSALL PARTNERS	DRILL	10,000	Y
1991-03-05	385190	42-163-33018	PARADISE #3H	WILLIAMS, CLAYTON W., JR., INC.	DRILL	6,100	Y
1991-03-01	385250	42-163-33019	CLAYTIE #1	CHESAPEAKE OPERATING, INC.	DRILL	11,000	Y
1991-03-01	385250	42-163-33019	CLAYTIE #1	CHESAPEAKE OPERATING, INC.	DRILL	7,700	Y
1991-02-26	385129	42-163-31846	TAYLOR/BERRY #2-A UNIT #2A	PETROIL DEVELOPMENT CORPORATION	RECOMP	8,900	Y
1991-02-25	385067	42-163-33016	SCHORP #1	WILLIAMS, CLAYTON W., JR., INC.	DRILL	8,150	Y
1991-02-25	385067	42-163-33016	SCHORP #1	WILLIAMS, CLAYTON W., JR., INC.	DRILL	8,150	Y
1991-02-22	385010	42-163-33015	HARPER RANCH #1H	ALTAIR ENERGY CORP.	DRILL	9,300	Y
1991-02-22	385010	42-163-33015	HARPER RANCH #1H	ALTAIR ENERGY CORP.	DRILL	9,535	Y
1991-02-20	381391	42-163-31807	KING #1	PENDRAGON OIL CO.	RENTR	6,600	Y
1991-02-19	384864	42-163-33014	NEWSOM-RIGGAN #1	KINLAW OIL CORPORATION	DRILL	5,600	Y
1991-02-19	384810	42-163-33013	EARNEST, W. A. #2806	CITATION OIL & GAS CORP.	DRILL	6,800	Y
1991-02-19	384741	42-163-33012	MCBRYDE-BENNETT #1	WINDSOR EXPLORATION COMPANY	DRILL	6,700	Y
1991-02-15	384730	42-163-33011	PETRONOMICS - A&M #1	A & M PETROLEUM CORPORATION	DRILL	7,868	Y
1991-02-15	384730	42-163-33011	HARRIS-MEYERS #1	ACOCK ENGINEERING & ASSOC., INC.	DRILL	5,385	Y
1991-02-15	384715	42-163-33010	SHINER RANCH #1	ORYX ENERGY COMPANY	DRILL	11,400	Y
1991-02-15	384708	42-163-33008	BERRY #3	CHESAPEAKE OPERATING, INC.	DRILL	9,000	Y
1991-02-15	384708	42-163-33008	BERRY #3	CHESAPEAKE OPERATING, INC.	DRILL	6,250	Y
1991-02-15	384707	42-163-30757	AVANT SWD #1	WILLIAMS, CLAYTON W., JR., INC.	RENTR	5,100
1991-02-15	384672	42-163-33007	LEPPARD RANCH "C" #3H	CHIODO CORP.	DRILL	6,500	Y
1991-02-13	384616	42-163-33005	GOOD, ROBERT B. ET UX #1	PEARSALL PARTNERS	DRILL	12,000	Y
1991-02-11	384451	42-163-33003	MANNAS AND JOHNSTON #4	MCRAE HORIZONTAL DRILLING, INC.	DRILL	8,800	Y
1991-02-11	384451	42-163-33003	MCRAE/ORYX M & J #4	MCRAE HORIZONTAL DRILLING, INC.	DRILL	8,800	Y
1991-02-11	381220	42-163-31846	TAYLOR, NOBEL A. #2A	PETROIL DEVELOPMENT CORPORATION	RECOMP	8,900	Y
1991-02-11	381220	42-163-31846	TAYLOR/BERRY #2-A UNIT #2A	PETROIL DEVELOPMENT CORPORATION	RECOMP	8,900	Y
1991-02-08	384447	42-163-33002	MARGARITA #1A	INCO OIL CORPORATION	DRILL	6,780	Y
1991-02-07	384370	42-163-33001	NEWSOM #1	KINLAW OIL CORPORATION	DRILL	5,800	Y
1991-02-07	383687	42-163-32983	MILLS, J. C. #2	RIO BRAVO ROYALTY CO.	DRILL	8,850	Y
1991-02-06	384330	42-163-33000	ANDERSON #1	NELMS BROS. OIL PROPERTIES INC.	DRILL	6,400	Y
1991-02-06	384303	42-163-32997	CYCLONE #2	WEBER ENERGY CORPORATION	DRILL	9,900	Y
1991-02-06	384188	42-163-32998	THOMPSON "A" #2	EDCO ENERGY, INC.	DRILL	6,250	Y
1991-02-05	384004	42-163-32991	DILLEY UNIT "C" #1	RGR PRODUCTION	DRILL	10,000	Y

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