← Frio County

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

8

Operators (30d)

2

Latest Permit

2026-09-11

All Time

4,301

4,301 permits
ISSUEDPERMITAPILEASEOPERATORTYPEDEPTHHZ
2003-07-0953399142-163-33313BERRY, MARTHA E. #12VIRTEX PETROLEUM COMPANY, INC.DRILL3,630
2003-07-0853394742-163-33312WILLIAMS, GEO. M. #22VIRTEX PETROLEUM COMPANY, INC.DRILL4,800
2003-07-0853394742-163-33312WILLIAMS, GEO. M. #22VIRTEX PETROLEUM COMPANY, INC.DRILL5,500
2003-07-0753365342-163-32422SHELL - C #3NUTEK OIL INCRECOMP2,300
2003-07-0753365342-163-32422SHELL - C #3NUTEK OIL INCRECOMP2,425
2003-07-0253378942-163-33311CASTILLO #1MASCOT OIL COMPANYDRILL3,400
2003-06-1953232942-163-30572CAPITOL THOMPSON III #9FIRST ROCK, INC.RECOMP7,405
2003-06-1953232842-163-30371CAPITOL THOMPSON II #1FIRST ROCK, INC.RECOMP7,200
2003-04-3053121642-163-30648THOMPSON, CAPITOL III #3FIRST ROCK, INC.RECOMP7,368
2003-03-2452976242-163-33310KOTHMANN #1TEXAS, LES & CO.DRILL5,900
2003-02-2652888042-163-30295ALEXIS #1HOLLEY OIL COMPANY, LLCRENTR6,000
2003-02-2652888042-163-30295ALEXIS #1HOLLEY OIL COMPANY, LLCRENTR6,000
2003-01-2852782142-163-30810MORALES, PEDRO #2TRIUMPH PETROLEUM COMPANY,L.L.C.RECOMP7,850
2003-01-0252636042-163-30564CAPITOL-THOMPSON III #4FIRST ROCK, INC.RECOMP7,360
2002-12-0452607142-163-33309ORNELAS, FILEMON (DON ALLEN # 1) #1SUNBURST, INC.DRILL2,000
2002-11-1852563742-163-33308HARLAN #6VIRTEX PETROLEUM COMPANY, INC.DRILL6,650
2002-11-1552556942-163-33307HARLAN #7VIRTEX PETROLEUM COMPANY, INC.DRILL6,650
2002-11-0852535742-163-32677BENNETT-SHINER UNIT #2TRIUMPH PETROLEUM COMPANY,L.L.C.RECOMP12,000Y
2002-07-1852198842-163-33306HARLAN #5VIRTEX PETROLEUM COMPANY, INC.DRILL7,200
2002-05-2952047342-163-32782HARLAN #1AVIRTEX PETROLEUM COMPANY, INC.RENTR7,500
2002-05-1551947442-163-33305BLACKBURN #3NICHOLS,EDWIN S EXPLORATIONS INCDRILL2,500
2002-05-1551947442-163-33305BLACKBURN #3NICHOLS,EDWIN S EXPLORATIONS INCDRILL3,000
2002-04-2351925642-163-33281CALAME #4HOUSTON PET. CO.RECOMP4,000
2002-02-0651739142-163-32804SHINER RANCH -B- #3RTRIUMPH PETROLEUM COMPANY,L.L.C.RECOMP7,600Y
2001-12-2151638842-163-32671MORALES #1TRIUMPH PETROLEUM COMPANY,L.L.C.RECOMP7,000Y
2001-12-2151638842-163-32671SHINER-MORALES UNIT #1TRIUMPH PETROLEUM COMPANY,L.L.C.RECOMP7,000Y
2001-09-1351358442-163-33304OPPENHEIMER-CALVERT #1DALE OPERATING COMPANYDRILL6,300
2001-09-1351358442-163-33304OPPENHEIMER-CALVERT #1DALE OPERATING COMPANYDRILL6,300Y
2001-09-1351358442-163-33304OPPENHEIMER-CALVERT #1DALE OPERATING COMPANYDRILL6,300Y
2001-08-2851237142-163-33318BROWNE, M. #3CATARINA PETROLEUM L. C.DRILL3,600
2001-08-1551237042-163-33302BROWNE, M. #4CATARINA PETROLEUM L. C.DRILL3,600
2001-08-1551237042-163-33302BROWNE, M. #4CATARINA PETROLEUM L. C.DRILL3,600
2001-06-1150613642-163-33253HALFF AND OPPENHEIMER #1RSPUR OPERATING CO.RECOMP5,925
2001-06-0750936742-163-32849STOUT -A #3SABINAL RESOURCES, INC.RECOMP7,600
2001-06-0550987442-163-01112WILLIAMS, GEORGE M. #3VIRTEX PETROLEUM COMPANY, INC.RENTR3,125
2001-03-0250554042-163-33253HALFF AND OPPENHEIMER #1RSPUR OPERATING CO.RECOMP5,925
2001-02-2050550542-163-33301MACHEN #8UNITED TEXAS PETROLEUM INC.DRILL1,200
2001-02-2050550442-163-33300MACHEN #7UNITED TEXAS PETROLEUM INC.DRILL1,200
2001-02-2050550342-163-33299MACHEN #6UNITED TEXAS PETROLEUM INC.DRILL1,200
2001-02-2050550242-163-33298MACHEN #5UNITED TEXAS PETROLEUM INC.DRILL1,200
2001-02-2050550142-163-33297MACHEN #4UNITED TEXAS PETROLEUM INC.DRILL1,200
2001-02-2050550042-163-33296MACHEN #3UNITED TEXAS PETROLEUM INC.DRILL1,200
2001-02-2050549942-163-33295MACHEN #2UNITED TEXAS PETROLEUM INC.DRILL1,200
2001-02-2050549842-163-33294MACHEN #1AUNITED TEXAS PETROLEUM INC.DRILL1,200
2001-02-2050549742-163-33293MACHEN #1UNITED TEXAS PETROLEUM INC.DRILL1,200
2001-02-0750475942-163-33292GRANT #1NICHOLS,EDWIN S EXPLORATIONS INCDRILL3,500
2001-01-2250436142-163-33291JOHNSON #1WISER OIL COMPANY, THEDRILL3,000
2001-01-2250412642-163-32422SHELL, C. #3NUTEK OIL INCRECOMP2,300
2000-04-2449431642-163-33290HITZFELDER #12PROPERTY DEVELOPMENT GROUP, INC.DRILL3,500
2000-04-2449431542-163-33323HITZFELDER #11PROPERTY DEVELOPMENT GROUP, INC.DRILL3,500
page 36 of 87
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Source: Texas Railroad Commission drilling permit master (OGA049M), refreshed daily. See also operators in Frio County.