← Frio County

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

4

Operators (30d)

2

Latest Permit

2026-07-22

All Time

4,287

4,287 permits
ISSUEDPERMITAPILEASEOPERATORTYPEDEPTHHZ
2008-02-0865075042-163-30295ALEXIS #1HOLLEY OIL COMPANY, LLCRECOMP6,000Y
2008-01-2465269442-163-32826KAIN A #2FIRST ROCK, INC.RECOMP6,650Y
2008-01-2465269442-163-32826KAIN A #2FIRST ROCK, INC.RECOMP6,650Y
2008-01-1665281542-163-01727BIG FOOT OLMOS B SAND UNIT #170MAVERICK ENERGY GROUP, INC.RECOMP3,999
2008-01-1665281442-163-00964BIG FOOT OLMOS B SAND UNIT #169MAVERICK ENERGY GROUP, INC.RECOMP3,999
2008-01-1665281242-163-01732BIG FOOT OLMOS B SAND UNIT #168MAVERICK ENERGY GROUP, INC.RECOMP3,999
2008-01-1465250542-163-00431BIG FOOT OLMOS B SAND UNIT #189MAVERICK ENERGY GROUP, INC.RECOMP3,999
2008-01-1465249742-163-01725BIG FOOT OLMOS B SAND UNIT #181MAVERICK ENERGY GROUP, INC.RECOMP3,999
2008-01-1465249442-163-01728BIG FOOT OLMOS B SAND UNIT #179MAVERICK ENERGY GROUP, INC.RECOMP3,999
2008-01-1465249242-163-01733BIG FOOT OLMOS B SAND UNIT #177MAVERICK ENERGY GROUP, INC.RECOMP3,999
2008-01-1065240242-163-00956BIG FOOT OLMOS B SAND UNIT #178MAVERICK ENERGY GROUP, INC.RECOMP3,999
2007-12-2865088742-163-33358WILLIAMSON #1ALAMO OPERATING COMPANY, L. C.DRILL6,000
2007-12-2165163342-163-01731BIG FOOT OLMOS B SAND UNIT #193MAVERICK ENERGY GROUP, INC.RECOMP3,999
2007-12-2065164542-163-00966BIG FOOT OLMOS B SAND UNIT #180MAVERICK ENERGY GROUP, INC.RECOMP3,999
2007-12-2065161942-163-00967BIG FOOT OLMOS B SAND UNIT #194MAVERICK ENERGY GROUP, INC.RECOMP3,999
2007-12-2065161342-163-01729BIG FOOT OLMOS B SAND UNIT #195MAVERICK ENERGY GROUP, INC.RECOMP3,999
2007-12-2065161242-163-00968BIG FOOT OLMOS B SAND UNIT #196MAVERICK ENERGY GROUP, INC.RECOMP3,999
2007-12-2065161142-163-01760BIG FOOT OLMOS B SAND UNIT #197MAVERICK ENERGY GROUP, INC.RECOMP3,999
2007-12-1965145142-163-80228BIG FOOT OLMOS B SAND UNIT #184MAVERICK ENERGY GROUP, INC.RECOMP3,999
2007-12-1965144542-163-00987BIG FOOT OLMOS B SAND UNIT #183MAVERICK ENERGY GROUP, INC.RECOMP3,999
2007-12-1965144242-163-00986BIG FOOT OLMOS B SAND UNIT #182MAVERICK ENERGY GROUP, INC.RECOMP3,999
2007-12-1965144142-163-00996BIG FOOT OLMOS B SAND UNIT #222MAVERICK ENERGY GROUP, INC.RECOMP3,999
2007-12-1865137942-163-00448BIG FOOT OLMOS B SAND UNIT #192MAVERICK ENERGY GROUP, INC.RECOMP3,999
2007-12-1865137442-163-00447BIG FOOT OLMOS B SAND UNIT #191MAVERICK ENERGY GROUP, INC.RECOMP3,999
2007-12-1865136742-163-00453BIG FOOT OLMOS B SAND UNIT #190MAVERICK ENERGY GROUP, INC.RECOMP3,999
2007-12-1865136242-163-00432BIG FOOT OLMOS B SAND UNIT #188MAVERICK ENERGY GROUP, INC.RECOMP3,999
2007-12-1865134542-163-00433BIG FOOT OLMOS B SAND UNIT #187MAVERICK ENERGY GROUP, INC.RECOMP3,999
2007-12-1865133542-163-00444BIG FOOT OLMOS B SAND UNIT #201MAVERICK ENERGY GROUP, INC.RECOMP3,999
2007-12-1865132842-163-00445BIG FOOT OLMOS B SAND UNIT #202MAVERICK ENERGY GROUP, INC.RECOMP3,999
2007-12-1865132642-163-00446BIG FOOT OLMOS B SAND UNIT #203MAVERICK ENERGY GROUP, INC.RECOMP3,999
2007-12-1865115042-163-00443BIG FOOT OLMOS B SAND UNIT #200MAVERICK ENERGY GROUP, INC.RECOMP3,999
2007-12-1065063742-163-33218BIG FOOT OLMOS B SAND UNIT #199 AMAVERICK ENERGY GROUP, INC.RECOMP3,999
2007-11-2964998842-163-33357PEDRO MORALES #5BLACKBRUSH O & G, INC.DRILL8,000
2007-11-2964988142-163-80230BIG FOOT OLMOS B SAND UNIT #186MAVERICK ENERGY GROUP, INC.RECOMP4,000
2007-11-2964987942-163-00442BIG FOOT OLMOS B SAND UNIT #199MAVERICK ENERGY GROUP, INC.RECOMP4,000
2007-11-2964987842-163-80229BIG FOOT OLMOS B SAND UNIT(03380 #185MAVERICK ENERGY GROUP, INC.RECOMP4,000
2007-11-0764874842-163-33345HARLAN, R. K. #10VIRTEX PETROLEUM COMPANY, INC.RECOMP6,312
2007-11-0764545442-163-01014BURNS, JANE A #264MAVERICK ENERGY GROUP, INC.RECOMP3,900
2007-11-0664818042-163-32064HILDEBRAND, IRA #2 HBLACKBRUSH O & G, INC.RECOMP7,000Y
2007-11-0264831542-163-00275SAUNDERS, SUSIE #4MAVERICK ENERGY GROUP, INC.RECOMP3,900
2007-10-2964831642-163-00274SAUNDERS, SUSIE #3MAVERICK ENERGY GROUP, INC.RECOMP3,900
2007-10-2964720442-163-33356MANN #1ROCK SOLID OPERATING, LLCDRILL6,400
2007-10-2964720442-163-33356MANN #1ROCK SOLID OPERATING, LLCDRILL6,400
2007-10-1164712942-163-00997BURNS, JANE A #242IMAVERICK ENERGY GROUP, INC.RECOMP3,900
2007-10-1164710942-163-33215BURNS, JANE #286AMAVERICK ENERGY GROUP, INC.RECOMP3,900
2007-10-0964691142-163-00083NOWLIN, T.P. #5JB OIL & GAS WELL SERVICERECOMP3,900
2007-10-0864713142-163-00998JANE BURNS A #243IMAVERICK ENERGY GROUP, INC.RECOMP3,900
2007-10-0864712842-163-01001JANE BURNS A #233IMAVERICK ENERGY GROUP, INC.RECOMP3,900
2007-10-0864712642-163-00346JANE BURNS A #208IMAVERICK ENERGY GROUP, INC.RECOMP3,900
2007-10-0864712542-163-00352JANE BURNS A #207IMAVERICK ENERGY GROUP, INC.RECOMP3,900
page 32 of 86
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Source: Texas Railroad Commission drilling permit master (OGA049M), refreshed daily. See also operators in Frio County.