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
2018-10-05	845295	42-163-33022	HARRIS A POOLED UNIT #5	MAGNOLIA ENERGY PARTNERS CO., LP	RECOMP	8,400	Y
2018-09-18	844783	42-163-33536	COPPEDGE #1H	BLACKBRUSH O & G, LLC	RECOMP	7,400
2018-09-14	844678	42-163-34140	HARLAN A #1H	VIRTEX OPERATING COMPANY, INC.	DRILL	7,000	Y
2018-09-07	844421	42-163-34139	SNOOTS #1	LP OPERATING, LLC	DRILL	4,000
2018-09-07	844421	42-163-34139	ORNELAS-A #1	LP OPERATING, LLC	DRILL	4,000
2018-08-29	843853	42-163-34138	HARLAN, R.K. #11H	VIRTEX OPERATING COMPANY, INC.	DRILL	7,000	Y
2018-08-02	843106	42-163-34137	LONGHORN A EAGLE FORD POOLED UT #A104H	TRINITY OPERATING (USG), LLC	DRILL	10,000	Y
2018-08-02	843105	42-163-34136	LONGHORN A EAGLE FORD POOLED UT #A103H	TRINITY OPERATING (USG), LLC	DRILL	10,000	Y
2018-08-01	843046	42-163-34135	LOTHRINGER #1H	VIRTEX OPERATING COMPANY, INC.	DRILL	6,500	Y
2018-08-01	843032	42-163-34134	LONGHORN A EAGLE FORD POOLED UT #A102H	TRINITY OPERATING (USG), LLC	DRILL	10,000	Y
2018-07-31	842361	42-163-34130	KOTHMANN 303 #A303	VENADO OPERATING COMPANY LLC	DRILL	8,500	Y
2018-07-31	842349	42-163-34129	KOTHMANN 302 #A302	VENADO OPERATING COMPANY LLC	DRILL	8,500	Y
2018-07-31	842348	42-163-34128	KOTHMANN 301 #A301	VENADO OPERATING COMPANY LLC	DRILL	8,500	Y
2018-07-30	842886	42-163-34133	LONGHORN A EAGLE FORD POOLED UT #A101H	TRINITY OPERATING (USG), LLC	DRILL	10,000	Y
2018-07-27	842547	42-163-34131	MANN-NEUMANN UNIT #1	FIRSTRIKE ENERGY CORPORATION	DRILL	5,200	Y
2018-07-27	842547	42-163-34131	MANN-NEUMANN UNIT #1	FIRSTRIKE ENERGY CORPORATION	DRILL	5,200	Y
2018-07-24	842544	42-163-34132	HARLAN, R.K. #13H	VIRTEX OPERATING COMPANY, INC.	DRILL	5,800	Y
2018-07-20	842525	42-163-33485	CALAME #5	LP OPERATING, LLC	RECOMP	4,223
2018-06-20	841484	42-163-33388	HARLAN, R.K. #12	VIRTEX OPERATING COMPANY, INC.	RECOMP	5,800
2018-06-08	840978	42-163-34126	SCHORP 'D' #1H	COMSTOCK OIL & GAS, LP	DRILL	9,000	Y
2018-06-08	840968	42-163-34124	SCHORP 'B' #1H	COMSTOCK OIL & GAS, LP	DRILL	9,000	Y
2018-06-06	840855	42-163-33641	BURLESON #1	VIRTEX OPERATING COMPANY, INC.	RECOMP	5,969
2018-05-25	840353	42-163-34123	HCE HM 03N #304H	HAT CREEK ENERGY LLC	DRILL	6,150	Y
2018-05-25	840350	42-163-34122	HCE HM 03N #303H	HAT CREEK ENERGY LLC	DRILL	6,150	Y
2018-05-25	840349	42-163-34121	HCE HM 03S #302H	HAT CREEK ENERGY LLC	DRILL	6,150	Y
2018-05-25	840348	42-163-34120	HCE HM 03S #301H	HAT CREEK ENERGY LLC	DRILL	6,150	Y
2018-05-10	839808	42-163-34119	HCE ST 02 #304H	HAT CREEK ENERGY LLC	DRILL	6,750	Y
2018-05-10	839798	42-163-34116	HCE ST 02 #301H	HAT CREEK ENERGY LLC	DRILL	6,750	Y
2018-05-10	839691	42-163-34115	GUY BOB UNIT FRO #1H	EXCO OPERATING COMPANY, LP	DRILL	7,000	Y
2018-04-18	838607	42-163-34113	MELMS ESTATE #1H	BIGFOOT OIL LLC	DRILL	3,950	Y
2018-04-18	838607	42-163-34113	MELMS ESTATE #1H	BIGFOOT OIL LLC	DRILL	3,950	Y
2018-04-18	838605	42-163-34114	ALLERKAMP, ERNEST E. #2H	BIGFOOT OIL LLC	DRILL	3,950	Y
2018-04-13	838606	42-163-34112	MELMS ESTATE #1HA	BIGFOOT OIL LLC	DRILL	5,300	Y
2018-04-10	838300	42-163-34111	GUY BOB FRO #B 2H	EXCO OPERATING COMPANY, LP	DRILL	7,000	Y
2018-04-10	838297	42-163-34110	GUY BOB FRO #A 2H	EXCO OPERATING COMPANY, LP	DRILL	7,000	Y
2018-04-10	838297	42-163-34110	GUY BOB FRO #A 2H	EXCO OPERATING COMPANY, LP	DRILL	7,000	Y
2018-03-08	837114	42-163-34109	TAYLOR-CARRICO UNIT #1H	AGERON ENERGY, LLC	DRILL	6,900	Y
2018-02-26	836342	42-163-34108	HERBST #1H	AGERON ENERGY, LLC	DRILL	6,700	Y
2018-02-05	835932	42-163-34107	BOLL-CALVERT UNIT FRO #2H	EXCO OPERATING COMPANY, LP	DRILL	7,000	Y
2018-01-31	835644	42-163-34106	CALVERT RANCH FRO #D 2H	EXCO OPERATING COMPANY, LP	DRILL	7,000	Y
2018-01-26	835078	42-163-34105	BOLL FRO #B 2H	EXCO OPERATING COMPANY, LP	DRILL	7,000	Y
2018-01-26	834944	42-163-34099	HIDEAWAY RANCH NORTH #F 1EF	U.S. ENERGY DEVELOPMENT CORP	DRILL	9,000	Y
2018-01-25	834953	42-163-34104	HIDEAWAY RANCH NORTH #G 3EF	U.S. ENERGY DEVELOPMENT CORP	DRILL	9,000	Y
2018-01-25	834952	42-163-34103	HIDEAWAY RANCH NORTH #G 2EF	U.S. ENERGY DEVELOPMENT CORP	DRILL	9,000	Y
2018-01-25	834949	42-163-34102	HIDEAWAY RANCH NORTH #G 1EF	U.S. ENERGY DEVELOPMENT CORP	DRILL	9,000	Y
2018-01-25	834948	42-163-34101	HIDEAWAY RANCH NORTH #F 3EF	U.S. ENERGY DEVELOPMENT CORP	DRILL	9,000	Y
2018-01-25	834947	42-163-34100	HIDEAWAY RANCH NORTH #F 2EF	U.S. ENERGY DEVELOPMENT CORP	DRILL	9,000	Y
2017-12-22	834469	42-163-34098	CALVERT RANCH FRO #B 2H	EXCO OPERATING COMPANY, LP	DRILL	7,000	Y
2017-12-22	834466	42-163-34097	CALVERT RANCH FRO #C 2H	EXCO OPERATING COMPANY, LP	DRILL	7,000	Y
2017-12-22	834464	42-163-34096	GUY BOB FRO #C 1H	EXCO OPERATING COMPANY, LP	DRILL	7,000	Y

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