Frio County Drilling Permits

Every permit issued by the Texas Railroad Commission in Frio County — updated daily, data through 2026-07-22.

Frio County permitting is running 7.0 permits a month over the trailing 90 days (21 total, down 5% on the prior quarter). 3 were 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

2026-07-22

All Time

4,287

4,287 permits

ISSUED	PERMIT	API	LEASE	OPERATOR	TYPE	DEPTH	HZ
2021-01-29	867272	42-163-34246	MIDWAY C #108H	TRINITY OPERATING (USG), LLC	DRILL	9,999	Y
2021-01-12	866946	42-163-34240	TRISTON #3H	TEXAS INTERNATIONAL RESOURCE LLC	DRILL	7,550	Y
2021-01-12	866945	42-163-34239	TRISTON #2H	TEXAS INTERNATIONAL RESOURCE LLC	DRILL	7,550	Y
2021-01-12	866942	42-163-34238	TRISTON #1H	TEXAS INTERNATIONAL RESOURCE LLC	DRILL	7,550	Y
2020-12-11	866418	42-163-34237	LPO PRUE RANCH #1	LP OPERATING, LLC	DRILL	4,000
2020-06-26	864034	42-163-34236	BIGFOOT A #3	LP OPERATING, LLC	DRILL	4,500
2020-05-06	863478	42-163-34235	SNOOTS B #3	LP OPERATING, LLC	DRILL	4,250
2020-03-11	862574	42-163-34234	THOMPSON, DENNIS #2H	CROSSROADS MINERAL PROD., L.L.C.	DRILL	4,000	Y
2020-02-21	861875	42-163-33641	BURLESON #1H	VIRTEX OPERATING COMPANY, INC.	RECOMP	6,200	Y
2020-02-19	861774	42-163-34230	THOMPSON, DENNIS #1H	CROSSROADS MINERAL PROD., L.L.C.	DRILL	4,000	Y
2020-02-19	854388	42-163-33253	HALFF & OPPENHEIMER #1 R	BIGFOOT OIL LLC	RECOMP	3,950
2020-02-14	861826	42-163-34233	DERBY NORTH H #144H	TRINITY OPERATING (USG), LLC	DRILL	8,000	Y
2020-02-14	861825	42-163-34232	DERBY NORTH H #143H	TRINITY OPERATING (USG), LLC	DRILL	8,000	Y
2020-02-14	861824	42-163-34231	DERBY NORTH H #142H	TRINITY OPERATING (USG), LLC	DRILL	8,000	Y
2020-01-08	860444	42-163-34229	MIDWAY E #115H	TRINITY OPERATING (USG), LLC	DRILL	10,000	Y
2020-01-08	860444	42-163-34229	MIDWAY E #115H	TRINITY OPERATING (USG), LLC	DRILL	10,000	Y
2020-01-08	860443	42-163-34228	MIDWAY E #114H	TRINITY OPERATING (USG), LLC	DRILL	10,000	Y
2020-01-08	860443	42-163-34228	MIDWAY E #114H	TRINITY OPERATING (USG), LLC	DRILL	10,000	Y
2020-01-08	860442	42-163-34227	MIDWAY E #113H	TRINITY OPERATING (USG), LLC	DRILL	10,000	Y
2020-01-08	860442	42-163-34227	MIDWAY E #113H	TRINITY OPERATING (USG), LLC	DRILL	10,000	Y
2020-01-03	860439	42-163-34226	MIDWAY F #118H	TRINITY OPERATING (USG), LLC	DRILL	10,000	Y
2020-01-03	860439	42-163-34226	MIDWAY F #118H	TRINITY OPERATING (USG), LLC	DRILL	8,000	Y
2020-01-03	860436	42-163-34225	MIDWAY F #117H	TRINITY OPERATING (USG), LLC	DRILL	10,000	Y
2020-01-03	860436	42-163-34225	MIDWAY F #117H	TRINITY OPERATING (USG), LLC	DRILL	8,000	Y
2020-01-03	860434	42-163-34224	MIDWAY F #116H	TRINITY OPERATING (USG), LLC	DRILL	10,000	Y
2020-01-03	860434	42-163-34224	MIDWAY F #116H	TRINITY OPERATING (USG), LLC	DRILL	8,000	Y
2019-12-16	859749	42-163-34223	CARROLL-PHILLIPS C #1H	ROSEWOOD RESOURCES, INC.	DRILL	8,700	Y
2019-12-16	859748	42-163-34222	CARROLL-PHILLIPS B #1H	ROSEWOOD RESOURCES, INC.	DRILL	8,700	Y
2019-12-16	859744	42-163-34221	CARROLL-PHILLIPS A #1H	ROSEWOOD RESOURCES, INC.	DRILL	8,700	Y
2019-12-02	859501	42-163-34220	MARRS BAUERLE UNIT #5H	AGERON ENERGY, LLC	DRILL	6,450	Y
2019-12-02	859499	42-163-34219	MARRS BAUERLE UNIT #4H	AGERON ENERGY, LLC	DRILL	6,450	Y
2019-12-02	859498	42-163-34218	MARRS BAUERLE UNIT #3H	AGERON ENERGY, LLC	DRILL	6,450	Y
2019-10-21	858113	42-163-34217	SCHORP-WHITE RANCH, LTD. #A305	VENADO OPERATING COMPANY LLC	DRILL	8,700	Y
2019-10-21	858112	42-163-34216	SCHORP-WHITE RANCH, LTD. #A304	VENADO OPERATING COMPANY LLC	DRILL	8,700	Y
2019-10-21	858109	42-163-34215	SCHORP-WHITE RANCH, LTD. #A303	VENADO OPERATING COMPANY LLC	DRILL	8,700	Y
2019-10-21	858108	42-163-34214	SCHORP-WHITE RANCH, LTD. #A302	VENADO OPERATING COMPANY LLC	DRILL	8,700	Y
2019-10-21	858107	42-163-34213	SCHORP-WHITE RANCH, LTD. #A301	VENADO OPERATING COMPANY LLC	DRILL	8,700	Y
2019-10-03	857522	42-163-34211	WHITWELL E #113H	TRINITY OPERATING (USG), LLC	DRILL	10,000	Y
2019-10-03	857522	42-163-34211	WHITWELL E #113H	TRINITY OPERATING (USG), LLC	DRILL	8,000	Y
2019-10-03	857520	42-163-34210	WHITWELL E #112H	TRINITY OPERATING (USG), LLC	DRILL	10,000	Y
2019-10-03	857520	42-163-34210	WHITWELL E #112H	TRINITY OPERATING (USG), LLC	DRILL	8,000	Y
2019-10-03	857519	42-163-34209	WHITWELL D #111H	TRINITY OPERATING (USG), LLC	DRILL	10,000	Y
2019-10-03	857519	42-163-34209	WHITWELL D #111H	TRINITY OPERATING (USG), LLC	DRILL	10,000	Y
2019-10-03	857518	42-163-34212	WHITWELL D #110H	TRINITY OPERATING (USG), LLC	DRILL	10,000	Y
2019-10-03	857518	42-163-34212	WHITWELL D #110H	TRINITY OPERATING (USG), LLC	DRILL	10,000	Y
2019-09-30	857485	42-163-34208	WHITWELL C #109H	TRINITY OPERATING (USG), LLC	DRILL	10,000	Y
2019-09-30	857485	42-163-34208	WHITWELL C #109H	TRINITY OPERATING (USG), LLC	DRILL	8,000	Y
2019-09-30	857483	42-163-34207	WHITWELL C #108H	TRINITY OPERATING (USG), LLC	DRILL	10,000	Y
2019-09-30	857483	42-163-34207	WHITWELL C #108H	TRINITY OPERATING (USG), LLC	DRILL	8,000	Y
2019-09-30	857481	42-163-34206	WHITWELL C #107H	TRINITY OPERATING (USG), LLC	DRILL	10,000	Y

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