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
1993-05-19	411733	42-163-33157	R & N #1	HOLLUB, LAMBERT DRILLING COMPANY	DRILL	3,800
1993-05-13	411676	42-163-32693	WINTERS #1	WEB WELL TENDING SERVICE, INC.	RECOMP	9,775	Y
1993-04-28	411139	42-163-33083	BRUNDRETT 'A' #2H	UNION PACIFIC RESOURCES COMPANY	RECOMP	12,200	Y
1993-04-27	410926	42-163-33155	CARNES RANCH #2	COLUMBIA GAS DEVELOPMENT CORP.	DRILL	7,300	Y
1993-04-15	410751	42-163-32108	ARROW-HILDEBRAND #4	GEMINI EXPLORATION COMPANY	RECOMP	6,800	Y
1993-04-15	410735	42-163-32672	MCCLANAHAN #1	UNION PACIFIC RESOURCES COMPANY	RECOMP	14,000	Y
1993-04-13	410489	42-163-32754	MINOTEX/BENKE "A" #C 3	MINERAL RESOURCES, INCORPORATED	RECOMP	8,858
1993-04-06	410535	42-163-32276	TREVINO & SONS #1H	TEXAN PRODUCTION	RENTR	7,300	Y
1993-04-06	410533	42-163-30644	PANTHER HOLLOW #8	ORYX ENERGY COMPANY	RECOMP	8,576	Y
1993-04-06	410532	42-163-31023	PANTHER HOLLOW #24	ORYX ENERGY COMPANY	RECOMP	8,683	Y
1993-03-26	410176	42-163-32621	WALLS, H.J. #1	UNION PACIFIC RESOURCES COMPANY	RECOMP	10,700	Y
1993-03-25	410190	42-163-33154	PANTHER HOLLOW #46	ORYX ENERGY COMPANY	DRILL	9,970	Y
1993-03-25	410189	42-163-33153	PANTHER HOLLOW #47	ORYX ENERGY COMPANY	DRILL	9,680	Y
1993-03-17	409930	42-163-33152	CARNES RANCH #1	COLUMBIA GAS DEVELOPMENT CORP.	DRILL	7,300	Y
1993-03-03	409380	42-163-33102	SOLCHER #2	AMPAK OIL COMPANY	RECOMP	5,600
1993-02-24	409285	42-163-33151	HILDEBRAND #5	GEMINI EXPLORATION COMPANY	DRILL	7,500	Y
1993-02-18	409104	42-163-33149	SHINER RANCH B #6	HINTON PRODUCTION COMPANY	DRILL	7,100	Y
1993-02-18	409104	42-163-33149	SHINER RANCH B #6	HINTON PRODUCTION COMPANY	DRILL	7,200	Y
1993-02-17	409110	42-163-32652	BENKE #1	CACTUS JACK OPERATING COMPANY	RENTR	7,520	Y
1993-02-14	409158	42-163-33150	CAPITOL THOMPSON #8	CAPITOL OPERATING & EXPL., INC.	DRILL	10,438	Y
1993-01-21	408341	42-163-33148	AVANT, J. R. #3	ORYX ENERGY COMPANY	DRILL	11,030	Y
1993-01-12	407999	42-163-33147	TATSCH #1	UNION PACIFIC RESOURCES COMPANY	DRILL	11,500	Y
1993-01-12	407998	42-163-33146	FERGUSON #1	UNION PACIFIC RESOURCES COMPANY	DRILL	11,900	Y
1993-01-05	406538	42-163-32944	CHIDO-ASTRO "A" #5	UNION PACIFIC RESOURCES COMPANY	RECOMP	11,300	Y
1992-12-31	407805	42-163-33145	SHINER RANCH B #4	HINTON PRODUCTION COMPANY	DRILL	7,300	Y
1992-12-23	407611	42-163-32609	GERSDORFF-CARTER UNIT #1	UNION PACIFIC RESOURCES COMPANY	RECOMP	9,800	Y
1992-12-23	407588	42-163-33143	HILDEBRAND #4	GEMINI EXPLORATION COMPANY	DRILL	7,300	Y
1992-12-23	407588	42-163-33143	HILDEBRAND #4	GEMINI EXPLORATION COMPANY	DRILL	7,300	Y
1992-12-16	407325	42-163-33142	HOLLOW, PANTHER #31	ORYX ENERGY COMPANY	DRILL	6,300	Y
1992-12-16	407324	42-163-33141	HOLLOW, PANTHER #39	ORYX ENERGY COMPANY	DRILL	6,350	Y
1992-12-16	407324	42-163-33141	HOLLOW, PANTHER #39	ORYX ENERGY COMPANY	DRILL	6,350	Y
1992-12-16	407324	42-163-33141	HOLLOW, PANTHER #39	ORYX ENERGY COMPANY	DRILL	6,420	Y
1992-12-10	407082	42-163-31809	GLAZNER #1	SANDIA ENERGY CORPORATION-NM	RECOMP	7,065	Y
1992-11-17	406035	42-163-30189	MEDINA SWD #1	TAMARACK PETROLEUM COMPANY, INC.	RENTR	5,314
1992-11-13	404092	42-163-33136	SHINER RANCH B #5	HINTON PRODUCTION COMPANY	DRILL	6,809	Y
1992-11-13	404092	42-163-33136	SHINER RANCH B #5	HINTON PRODUCTION COMPANY	DRILL	7,180	Y
1992-10-27	413826	42-163-32805	RIGGAN, J.M. "A" #1	FORTUNE OPERATING, INC.	RECOMP	8,500	Y
1992-10-27	405134	42-163-33051	GOOD, A.V. #1	UNION PACIFIC RESOURCES COMPANY	RECOMP	10,300	Y
1992-10-23	404867	42-163-33137	BETCO-BETCO UNIT #1	UNION PACIFIC RESOURCES COMPANY	DRILL	11,500	Y
1992-10-22	405053	42-163-33139	HILDEBRAND #3	GEMINI EXPLORATION COMPANY	DRILL	7,300	Y
1992-10-22	405024	42-163-33138	ALAMO LUMBER CO. #1A	SEAGO PETROLEUM, INC.	DRILL	5,600	Y
1992-10-22	404994	42-163-32820	CHIODO "C" #5	UNION PACIFIC RESOURCES COMPANY	DRILL	11,000	Y
1992-10-16	404835	42-163-30294	MILLS UNIT #1	TAMARACK PETROLEUM COMPANY, INC.	RENTR	5,500	Y
1992-10-16	404835	42-163-30294	MILLS UNIT #1	TAMARACK PETROLEUM COMPANY, INC.	RENTR	5,595	Y
1992-09-29	404056	42-163-33135	CAPITOL THOMPSON #7	CAPITOL OPERATING & EXPL., INC.	DRILL	10,300	Y
1992-09-16	403541	42-163-33134	SHINER RANCH #7	GEMINI EXPLORATION COMPANY	DRILL	7,500	Y
1992-09-04	403160	42-163-33133	BENNETT #2	TEKNA SYNERGY CORPORATION	DRILL	5,500
1992-08-27	402843	42-163-32578	AVANT, J.R. #1	ORYX ENERGY COMPANY	RECOMP	6,774	Y
1992-08-27	402843	42-163-32578	AVANT, J.R. #1	ORYX ENERGY COMPANY	RECOMP	6,855	Y
1992-08-18	402313	42-163-33132	ENGLISH #1	UNION PACIFIC RESOURCES COMPANY	DRILL	11,591	Y

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