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
1999-04-06	483655	42-163-33280	BROWN #4	PROPERTY DEVELOPMENT GROUP, INC.	DRILL	4,000
1999-04-06	483655	42-163-33280	BROWN #4	PROPERTY DEVELOPMENT GROUP, INC.	DRILL	4,000
1999-03-04	483002	42-163-33279	BROWN #3	PROPERTY DEVELOPMENT GROUP, INC.	DRILL	4,000
1999-03-04	483002	42-163-33279	BROWN #3	PROPERTY DEVELOPMENT GROUP, INC.	DRILL	4,000
1999-02-25	482935	42-163-33278	BROWN #2	PROPERTY DEVELOPMENT GROUP, INC.	DRILL	3,500
1998-12-28	481545	42-163-33277	BROWN #1	PROPERTY DEVELOPMENT GROUP, INC.	DRILL	4,000
1998-11-30	481189	42-163-01195	KELFER-LYNCH #2H	PEDECO, INC.	RENTR	7,000	Y
1998-10-20	480215	42-163-33276	CALAME #2	CALAME, JACK	DRILL	3,100
1998-09-15	479352	42-163-33242	BURLESON #1H	PEDECO, INC.	RECOMP	8,000	Y
1998-09-01	479181	42-163-32327	BURLESON "B" #2H	PEDECO, INC.	RENTR	8,000	Y
1998-07-22	478056	42-163-33275	HITZFELDER #9	PROPERTY DEVELOPMENT GROUP, INC.	DRILL	4,000
1998-07-21	478077	42-163-01354	BURLESON #3H	PEDECO, INC.	RENTR	7,000	Y
1998-07-16	478021	42-163-01191	KELFER-LYNCH #1H	PEDECO, INC.	RENTR	7,000	Y
1998-07-15	477971	42-163-30750	KELFER-MUDD #2H	PEDECO, INC.	RENTR	8,000	Y
1998-06-11	476876	42-163-33274	HITZFELDER #8	PROPERTY DEVELOPMENT GROUP, INC.	DRILL	4,000
1998-05-15	476235	42-163-01642	CALVERT #1H	PEDECO, INC.	RENTR	7,000	Y
1998-05-13	476153	42-163-33273	HALFF & OPPENHEIMER #2	PEDECO, INC.	DRILL	7,000
1998-04-06	475008	42-163-33272	HITZFELDER #7	PROPERTY DEVELOPMENT GROUP, INC.	DRILL	4,000
1998-04-01	474827	42-163-33271	CALAME #1	CALAME, JACK	DRILL	4,000
1998-02-19	473293	42-163-33270	HITZFELDER #6	PROPERTY DEVELOPMENT GROUP, INC.	DRILL	4,000
1998-02-19	473293	42-163-33270	HITZFELDER #6	PROPERTY DEVELOPMENT GROUP, INC.	DRILL	4,000
1998-01-23	472456	42-163-33269	HITZFELDER #5	PROPERTY DEVELOPMENT GROUP, INC.	DRILL	4,000
1997-12-17	471348	42-163-33268	THOMPSON WEBB 'B' #36	HCM	DRILL	3,800
1997-12-17	471348	42-163-33268	THOMPSON, WEBB 'B' #36	HCM	DRILL	3,800
1997-12-04	469777	42-163-32594	BUCKLEY, CLIFFORD #1 #1	MEGA ENERGY & OPERATING INC.	RECOMP	7,500	Y
1997-12-01	470668	42-163-33266	MEADOR, G. E. #408	OILEX INT'L INVESTMENTS, INC.	DRILL	3,500
1997-11-21	470269	42-163-33265	NIXON-DILLARD #1A	INLAND OCEAN, INC.	DRILL	5,300
1997-11-19	470288	42-163-33264	BIG FOOT OLMOS 'B' SAND UNIT #305AC	HCM	DRILL	4,000
1997-11-19	470288	42-163-33264	BURNS, JANE #305AC	HCM	DRILL	4,000
1997-11-19	470287	42-163-33262	BIG FOOT OLMOS 'B' SAND UNIT #365AC	HCM	DRILL	4,000
1997-11-19	470287	42-163-33262	WEBB THOMPSON -B- #365AC	HCM	DRILL	4,000
1997-11-19	470286	42-163-33261	BIG FOOT OLMOS 'B' SAND UNIT #252AC	HCM	DRILL	4,000
1997-11-19	470286	42-163-33261	BURNS, JANE #252AC	HCM	DRILL	4,000
1997-11-19	470285	42-163-33263	BIG FOOT OLMOS 'B' SAND UNIT #210AC	HCM	DRILL	4,000
1997-11-14	469643	42-163-33260	HITZFELDER #4	PROPERTY DEVELOPMENT GROUP, INC.	DRILL	3,500
1997-10-28	469252	42-163-33259	BIEDIGER, FERDINAND #1020	OILEX INT'L INVESTMENTS, INC.	DRILL	3,500
1997-10-24	469251	42-163-33258	THOMPSON, C. R. #617	OILEX INT'L INVESTMENTS, INC.	DRILL	3,500
1997-10-08	468510	42-163-33257	O'QUINN, WEBSTER #3A	VIRTEX PETROLEUM COMPANY, INC.	DRILL	3,100
1997-10-08	467896	42-163-33254	BERRY, MARTHA F. #12	VIRTEX PETROLEUM COMPANY, INC.	DRILL	3,150
1997-10-03	467965	42-163-33255	USSERY, CLAUDE #2	VIRTEX PETROLEUM COMPANY, INC.	DRILL	3,000
1997-09-29	467988	42-163-33256	WILLIAMS, GEO. M. #20	VIRTEX PETROLEUM COMPANY, INC.	DRILL	3,150
1997-09-19	467594	42-163-00106	HITZFELDER #1	PROPERTY DEVELOPMENT GROUP, INC.	RECOMP	4,000
1997-09-10	467427	42-163-33253	HALFF & OPPENHEIMER #1R	PEDECO, INC.	DRILL	6,500
1997-09-10	467374	42-163-33252	FERDINAND BIEDIGER #119	OILEX INT'L INVESTMENTS, INC.	DRILL	3,200
1997-09-10	467373	42-163-33251	C.R. THOMPSON "C" #99	OILEX INT'L INVESTMENTS, INC.	DRILL	3,500
1997-09-02	466056	42-163-33248	TATE, GORDON E. #9	VIRTEX PETROLEUM COMPANY, INC.	DRILL	3,500
1997-09-02	465948	42-163-33246	ECHENROTH, ED #4	VIRTEX PETROLEUM COMPANY, INC.	DRILL	3,500
1997-08-19	466057	42-163-33249	TATE, GORDON E. #8	VIRTEX PETROLEUM COMPANY, INC.	DRILL	3,500
1997-08-19	466019	42-163-33247	WILLIAMS, GEORGE M. #21	VIRTEX PETROLEUM COMPANY, INC.	DRILL	3,500
1997-08-13	466055	42-163-33250	O'QUINN, WEBSTER #3	VIRTEX PETROLEUM COMPANY, INC.	DRILL	3,500

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