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
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
1991-02-05	384004	42-163-32991	DILLEY UNIT "C" #1	RGR PRODUCTION	DRILL	10,000	Y
1991-02-04	384243	42-163-32164	COX #1	WORLD ENERGY CORPORATION	RECOMP	6,500	Y
1991-02-04	384162	42-163-32996	COX #1	WORLD ENERGY CORPORATION	DRILL	6,500	Y
1991-02-04	384094	42-163-32994	HUGHES-CANTU #2	SABRE OPERATING, INC.	DRILL	9,342	Y
1991-02-01	384115	42-163-32995	BAKER, JAMES A. #2	WILLIAMS, CLAYTON W., JR., INC.	DRILL	6,200	Y
1991-01-30	384038	42-163-32993	MCKINNEY #1	H.L.S. ENERGY CO., INC.	DRILL	5,200	Y
1991-01-30	384037	42-163-32992	RUPLE FARMS #1	H.L.S. ENERGY CO., INC.	DRILL	6,300	Y
1991-01-30	384031	42-163-32989	BEEVER, BILL INC. ET AL #1	PEARSALL PARTNERS	DRILL	10,000	Y
1991-01-29	383994	42-163-32990	NEWTON, CARL D. #3	PEARSALL PARTNERS	DRILL	10,500	Y
1991-01-29	383270	42-163-32977	MCKINLEY, ART #1	HOPI, INC.	DRILL	8,550	Y
1991-01-29	383270	42-163-32977	MCKINLEY, ART #1	CHESAPEAKE OPERATING, INC.	DRILL	6,100	Y
1991-01-28	383958	42-163-32988	RUMFIELD #2	H.L.S. ENERGY CO., INC.	DRILL	6,900	Y
1991-01-28	382484	42-163-32956	HILDEBRAND, IRA P. #3	EXXON CORP.	DRILL	8,625	Y

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