Frio County Drilling Permits

Every permit issued by the Texas Railroad Commission in Frio County — updated daily, data through 2026-08-19.

Frio County permitting is running 7.3 permits a month over the trailing 90 days (22 total, up 22% on the prior quarter). FORMENTERA OPERATIONS LLC leads with 45 permits in the past 12 months, one of 7 operators active in the county.

Last 30 Days

Operators (30d)

Latest Permit

2026-08-19

All Time

4,299

4,299 permits

ISSUED	PERMIT	API	LEASE	OPERATOR	TYPE	DEPTH	HZ
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
2017-12-22	834396	42-163-34095	GUY BOB FRO #B 1H	EXCO OPERATING COMPANY, LP	DRILL	7,000	Y
2017-12-21	834307	42-163-34094	WILLOW 3H #3H	CABOT OIL & GAS CORPORATION	DRILL	8,200	Y
2017-12-21	834307	42-163-34094	WILLOW 3H #3H	CABOT OIL & GAS CORPORATION	DRILL	8,500	Y
2017-12-21	834304	42-163-34093	WILLOW 2H #2H	CABOT OIL & GAS CORPORATION	DRILL	8,500	Y
2017-12-21	834295	42-163-34092	WILLOW 1H #1H	CABOT OIL & GAS CORPORATION	DRILL	8,500	Y
2017-12-21	834295	42-163-34092	WILLOW 1H #1H	CABOT OIL & GAS CORPORATION	DRILL	8,500	Y
2017-12-04	833549	42-163-34091	TORTUGA #109H	TEXAS AMERICAN RESOURCES COMPANY	DRILL	7,795	Y
2017-12-04	833539	42-163-34089	TORTUGA #107H	TEXAS AMERICAN RESOURCES COMPANY	DRILL	7,795	Y
2017-12-01	833542	42-163-34090	TORTUGA #108H	TEXAS AMERICAN RESOURCES COMPANY	DRILL	7,795	Y
2017-11-28	833332	42-163-33840	CALAME #1	LP OPERATING, LLC	RECOMP	4,300
2017-11-20	833054	42-163-34088	BLUEJACK 201H #201H	CABOT OIL & GAS CORPORATION	DRILL	8,000	Y
2017-11-17	832890	42-163-34087	BLUEJACK 2H #2H	CABOT OIL & GAS CORPORATION	DRILL	8,000	Y
2017-11-17	832888	42-163-34086	BLUEJACK 1H #1H	CABOT OIL & GAS CORPORATION	DRILL	8,000	Y
2017-11-03	832464	42-163-34085	SHINER RANCH #103H	TEXAS AMERICAN RESOURCES COMPANY	DRILL	7,890	Y
2017-11-01	831983	42-163-34084	PERCHERON 1H #1H	CABOT OIL & GAS CORPORATION	DRILL	9,000	Y
2017-10-16	831683	42-163-34083	ROBERT J.S. SMITH #2H	ROSEWOOD RESOURCES, INC.	DRILL	8,900	Y
2017-10-16	831680	42-163-34082	ROBERT J.S. SMITH #1H	ROSEWOOD RESOURCES, INC.	DRILL	8,900	Y
2017-08-29	830196	42-163-34079	APPALOOSA 4H #4H	CABOT OIL & GAS CORPORATION	DRILL	8,500	Y
2017-08-29	830192	42-163-34078	APPALOOSA 3H #3H	CABOT OIL & GAS CORPORATION	DRILL	8,500	Y
2017-08-28	830214	42-163-34081	SHINER RANCH #102H	TEXAS AMERICAN RESOURCES COMPANY	DRILL	7,809	Y
2017-08-28	830212	42-163-34080	SHINER RANCH #101H	TEXAS AMERICAN RESOURCES COMPANY	DRILL	7,809	Y
2017-08-28	830212	42-163-34080	SHINER RANCH #101H	TEXAS AMERICAN RESOURCES COMPANY	DRILL	7,809	Y
2017-07-19	828833	42-163-34077	WELDON SCHORP WEST UNIT #201H	CABOT OIL & GAS CORPORATION	DRILL	8,500	Y
2017-07-19	828833	42-163-34077	WELDON SCHORP WEST UNIT #201H	CABOT OIL & GAS CORPORATION	DRILL	8,800	Y
2017-07-11	828323	42-163-34074	HCE HM 06 #301H	HAT CREEK ENERGY LLC	DRILL	6,650	Y
2017-07-06	828428	42-163-34076	WELDON SCHORP UNIT 'A' #5H	CABOT OIL & GAS CORPORATION	DRILL	8,500	Y
2017-07-06	828428	42-163-34076	WELDON SCHORP UNIT 'A' #5H	CABOT OIL & GAS CORPORATION	DRILL	8,500	Y
2017-07-06	828427	42-163-34075	WELDON SCHORP UNIT 'A' #4H	CABOT OIL & GAS CORPORATION	DRILL	8,500	Y
2017-07-06	828427	42-163-34075	WELDON SCHORP UNIT 'A' #4H	CABOT OIL & GAS CORPORATION	DRILL	8,500	Y
2017-06-28	827908	42-163-34073	CLYDESDALE #201H	CABOT OIL & GAS CORPORATION	DRILL	8,000	Y
2017-06-16	827346	42-163-33911	HARLAN RK #10H	VIRTEX OPERATING COMPANY, INC.	DRILL	7,500	Y
2017-06-09	827078	42-163-34072	MCLEAN #1H	AGERON ENERGY, LLC	DRILL	6,300	Y
2017-06-01	826899	42-163-34071	DAUNTLESS 2H #2H	CABOT OIL & GAS CORPORATION	DRILL	8,500	Y
2017-06-01	826899	42-163-34071	DAUNTLESS 2H #2H	CABOT OIL & GAS CORPORATION	DRILL	8,500	Y
2017-05-31	827090	42-163-34070	S BAUERLE #1H	AGERON ENERGY, LLC	DRILL	6,600	Y
2017-05-15	826381	42-163-34069	DAUNTLESS 1H #1H	CABOT OIL & GAS CORPORATION	DRILL	8,500	Y
2017-05-15	826381	42-163-34069	DAUNTLESS 1H #1H	CABOT OIL & GAS CORPORATION	DRILL	8,500	Y
2017-05-12	825836	42-163-34068	HARLAN RK #8H	VIRTEX OPERATING COMPANY, INC.	DRILL	7,500	Y

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