Oil and gas leases in Frio County — page 2

Frio County, Texas has 1,189 oil and gas leases with production on file at the Railroad Commission, all of them in Commission district 01. 1,001 of them are oil leases and 188 are gas leases. Between them they carry 3,115 wellbores. Reported volumes run from January 1993 to August 2026 and come to 108.3 million barrels of oil and 54.9 million Mcf of gas. 256 operators file returns here. Every lease below has its own page with a decline-curve forecast and an estimate of what the whole lease is worth.

Key facts about Frio County

How many oil and gas leases are in Frio County?: Frio County has 1,189 oil and gas leases with production reported to the Railroad Commission of Texas, as of August 2026.
How much oil and gas has Frio County produced?: Leases in Frio County have reported 108,255,507 barrels of oil (bbl) and 54,895,045 thousand cubic feet of gas (Mcf) to the Railroad Commission of Texas between January 1993 and August 2026.
How many operators are active in Frio County?: 256 operators file production returns for leases in Frio County.
How much are mineral rights in Frio County worth?: There is no single figure: what a mineral or royalty interest in Frio County is worth depends on the individual lease, its decline, and the share the owner holds. Each of the 1,189 leases listed here has its own page with the full production history the operator reported, a decline-curve forecast, and an estimate of what a royalty interest in it is worth today.

Leases — page 2 of 6

HERBST — oil, Ageron Energy, LLC, Frio County, 234 thousand reported
KAIN — gas, Kain Petroleum Company, Frio County, 234 thousand reported
JACKSON, ET AL-EAST UNIT — gas, Cabot Oil & Gas Corporation, Frio County, 231 thousand reported
WALDEN, R. C. — gas, Amax Oil & Gas Inc., Frio County, 229 thousand reported
BLUEJACK 303 — gas, Javelin Energy Partners MGMT LLC, Frio County, 227 thousand reported
WHARNCLIFFE 2H — oil, Cabot Oil & Gas Corporation, Frio County, 226 thousand reported
ARABIAN 1H — oil, Cabot Oil & Gas Corporation, Frio County, 226 thousand reported
AVANT, J. R. -B- — oil, Oryx Energy Company, Frio County, 223 thousand reported
SHINER HEIRS — oil, Williams, Clayton Energy, L.L.C, Frio County, 222 thousand reported
ORELIA RANCH K — oil, Rosewood Resources, Inc., Frio County, 221 thousand reported
OQUINN, WEBSTER, GAS UNIT — gas, Amax Oil & Gas Inc., Frio County, 214 thousand reported
TALON 309 — gas, Javelin Energy Partners MGMT LLC, Frio County, 214 thousand reported
IRONWOOD A3 UNIT — oil, U.S. Energy Development Corp, Frio County, 213 thousand reported
BERRY, MARTHA F. — gas, Amax Oil & Gas Inc., Frio County, 213 thousand reported
BERRY, MARTHA E. — gas, Virtex Petroleum Company, Inc., Frio County, 212 thousand reported
ORELIA RANCH E — oil, Rosewood Resources, Inc., Frio County, 211 thousand reported
HILLMAN 303 — oil, Javelin Energy Partners MGMT LLC, Frio County, 211 thousand reported
IRONWOOD A2 UNIT — oil, U.S. Energy Development Corp, Frio County, 210 thousand reported
PEARSALL PARTNERS/GLG W.A.CARNES — oil, Petro-Hunt Corporation, Frio County, 210 thousand reported
CARNES 302 — oil, Venado Operating Company LLC, Frio County, 209 thousand reported
DERBY SOUTH H — oil, Trinity Operating (Usg), LLC, Frio County, 209 thousand reported
BLUEJACK 301 — oil, Javelin Energy Partners MGMT LLC, Frio County, 208 thousand reported
HILLMAN 301 — oil, Javelin Energy Partners MGMT LLC, Frio County, 208 thousand reported
RB AVANT UNIT — oil, Hess Corporation, Frio County, 207 thousand reported
SCHORP 'A' — oil, Comstock Oil & Gas, LP, Frio County, 206 thousand reported
ORELIA RANCH L — oil, Rosewood Resources, Inc., Frio County, 206 thousand reported
DAUNTLESS 1H — oil, Cabot Oil & Gas Corporation, Frio County, 205 thousand reported
CURTIS, SAM — gas, Amax Oil & Gas Inc., Frio County, 205 thousand reported
ECKENROTH, ED. H. — gas, Amax Oil & Gas Inc., Frio County, 205 thousand reported
TALON 101HC — oil, Javelin Energy Partners MGMT LLC, Frio County, 205 thousand reported
ORELIA RANCH I — oil, Rosewood Resources, Inc., Frio County, 203 thousand reported
R.H. PICKENS, ET AL A8 UNIT — oil, Cabot Oil & Gas Corporation, Frio County, 202 thousand reported
ECKENROTH, ED. H. — gas, Amax Oil & Gas Inc., Frio County, 202 thousand reported
TORTUGA — gas, Javelin Energy Partners MGMT LLC, Frio County, 202 thousand reported
LEWTON 203 — oil, Triumph Petroleum Company,L.L.C., Frio County, 199 thousand reported
MARRS MCLEAN UNIT — gas, Virtex Operating Company, Inc., Frio County, 199 thousand reported
CORSAIR 1H — oil, Cabot Oil & Gas Corporation, Frio County, 198 thousand reported
TALON 307 — gas, Javelin Energy Partners MGMT LLC, Frio County, 198 thousand reported
BERRY, MARTHA F. — gas, Amax Oil & Gas Inc., Frio County, 198 thousand reported
ORELIA RANCH D — oil, Rosewood Resources, Inc., Frio County, 197 thousand reported
TATE, GORDON E. — gas, Amax Oil & Gas Inc., Frio County, 195 thousand reported
TALON 308 — oil, Javelin Energy Partners MGMT LLC, Frio County, 195 thousand reported
HILLMAN 305 — oil, Javelin Energy Partners MGMT LLC, Frio County, 195 thousand reported
BROWN, EDGAR A. — gas, Amax Oil & Gas Inc., Frio County, 194 thousand reported
HILLMAN 302 — oil, Javelin Energy Partners MGMT LLC, Frio County, 194 thousand reported
HARLAN A — oil, Virtex Operating Company, Inc., Frio County, 192 thousand reported
PECHAL-SIRNY — gas, Virtex Petroleum Company, Inc., Frio County, 192 thousand reported
TALON 101HB — gas, Javelin Energy Partners MGMT LLC, Frio County, 192 thousand reported
WILLIAMS, GEO. M. — gas, Amax Oil & Gas Inc., Frio County, 191 thousand reported
JOE HINDES 'E' UNIT — oil, Cabot Oil & Gas Corporation, Frio County, 188 thousand reported
ECKENROTH, ED. H. — gas, Amax Oil & Gas Inc., Frio County, 185 thousand reported
TALON 101HA — oil, Javelin Energy Partners MGMT LLC, Frio County, 185 thousand reported
CARNES-REGENTS UNIT — oil, Venado Operating Company LLC, Frio County, 182 thousand reported
BUCKLEY, CLIFFORD ETAL — oil, Sandia Energy Corporation-NM, Frio County, 182 thousand reported
HARLAN, R. K. — gas, Denovo Oil & Gas, Inc., Frio County, 181 thousand reported
ARABIAN 2H — oil, Cabot Oil & Gas Corporation, Frio County, 181 thousand reported
SCHORP — oil, Comstock Oil & Gas, LP, Frio County, 181 thousand reported
BLUEJACK — oil, Javelin Energy Partners MGMT LLC, Frio County, 178 thousand reported
HOWARD, DELLA F. — gas, Amax Oil & Gas Inc., Frio County, 178 thousand reported
SCHORP 301 — oil, Venado Operating Company LLC, Frio County, 176 thousand reported
ALLERKAMP, ERNEST E. — oil, Jenex Petroleum Corporation, Frio County, 174 thousand reported
W. E. STACY & SONS ET AL — oil, Petro-Hunt Corporation, Frio County, 174 thousand reported
THOMPSON, WEBB -B- — oil, HCM, Frio County, 174 thousand reported
APPALOOSA 4H — oil, Cabot Oil & Gas Corporation, Frio County, 172 thousand reported
IRONWOOD A4 UNIT — oil, U.S. Energy Development Corp, Frio County, 172 thousand reported
CURTIS, SAM — gas, Amax Oil & Gas Inc., Frio County, 172 thousand reported
WHARNCLIFFE 1H — oil, Cabot Oil & Gas Corporation, Frio County, 169 thousand reported
SHINER RANCH — oil, Hinton Production Company, Frio County, 168 thousand reported
VOSS "C" — oil, Tamarack Petroleum Company, Inc., Frio County, 167 thousand reported
WILLIAMS, GEORGE M. — gas, Virtex Petroleum Company, Inc., Frio County, 167 thousand reported
ORELIA RANCH F — oil, Rosewood Resources, Inc., Frio County, 166 thousand reported
GRACEY — gas, Glenn, Wayne E. & Assoc., Inc., Frio County, 165 thousand reported
PANTHER HOLLOW UNIT 1 — oil, Palmera Resources, LLC, Frio County, 165 thousand reported
TATE, G. E. — gas, Amax Oil & Gas Inc., Frio County, 164 thousand reported
TATE, GORDON E. — gas, Amax Oil & Gas Inc., Frio County, 164 thousand reported
WILLIAMS, GEO. M. — gas, Amax Oil & Gas Inc., Frio County, 163 thousand reported
BETCO-BETCO UNIT — oil, Union Pacific Resources Company, Frio County, 163 thousand reported
JENNINGS UNIT — oil, Carrizo Oil & Gas, Inc., Frio County, 163 thousand reported
BURNS, JANE A — oil, Maverick Energy Group, Inc., Frio County, 162 thousand reported
CARRICO — oil, Citation Oil & Gas Corp., Frio County, 156 thousand reported
WALDEN, R. C. — gas, Amax Oil & Gas Inc., Frio County, 156 thousand reported
MELMS ESTATE — oil, Mariah Energy Corp., Frio County, 155 thousand reported
KOTHMANN 302 — oil, Venado Operating Company LLC, Frio County, 155 thousand reported
KELFER — oil, Virtex Operating Company, Inc., Frio County, 154 thousand reported
GPC PAN AM — oil, Goodrich Petroleum Company, Frio County, 154 thousand reported
WEST SHINER RANCH — oil, Sanchez-O'Brien Oil & Gas Corp., Frio County, 153 thousand reported
BEELER, R. F. "C" — oil, Citation Oil & Gas Corp., Frio County, 152 thousand reported
BURNS RANCH E — oil, Trinity Operating (Usg), LLC, Frio County, 151 thousand reported
APPALOOSA 2H — oil, Cabot Oil & Gas Corporation, Frio County, 149 thousand reported
HOOEY-STX-UNIT — oil, Formentera Operations LLC, Frio County, 149 thousand reported
WILLIAMS, GEO. M. — gas, Amax Oil & Gas Inc., Frio County, 148 thousand reported
BAUERLE NORTH UNIT FRO — oil, Exco Operating Company, LP, Frio County, 147 thousand reported
WALDEN, R. C. — gas, Amax Oil & Gas Inc., Frio County, 144 thousand reported
T CATTLE COMPANY — gas, Buffco Production Inc., Frio County, 144 thousand reported
HCE HM 06 — oil, Hat Creek Energy LLC, Frio County, 144 thousand reported
SCHORP 'B' — gas, Javelin Energy Partners MGMT LLC, Frio County, 143 thousand reported
DAVIS, LORENA H. — gas, Amax Oil & Gas Inc., Frio County, 143 thousand reported
TAYLOR-CARRICO UNIT — oil, Ageron Energy, LLC, Frio County, 142 thousand reported
KOTHMANN — oil, Manti Operating Company, Frio County, 142 thousand reported
HARLAN, R. K. — gas, Virtex Petroleum Company, Inc., Frio County, 140 thousand reported
3C UNIT — oil, Ricochet Energy, Inc., Frio County, 140 thousand reported
WILLIAMS, GEO. M. — gas, Amax Oil & Gas Inc., Frio County, 137 thousand reported
DARLENE 1-STX — oil, Formentera Operations LLC, Frio County, 137 thousand reported
HOWARD — gas, Glenn, Wayne E. & Assoc., Inc., Frio County, 137 thousand reported
BERRY, MARTHA F. — gas, Amax Oil & Gas Inc., Frio County, 134 thousand reported
THOMPSON, DENNIS — oil, HCM, Frio County, 133 thousand reported
HARLAN, R. K. — gas, Virtex Petroleum Company, Inc., Frio County, 133 thousand reported
HCE HM 05 — oil, Hat Creek Energy LLC, Frio County, 131 thousand reported
KOTHMANN 303 — oil, Venado Operating Company LLC, Frio County, 130 thousand reported
BAUERLE BOT UNIT — oil, Trinity Operating (Usg), LLC, Frio County, 130 thousand reported
RALLY EAGLE — oil, U.S. Enercorp, Ltd., Frio County, 130 thousand reported
BUERGER — oil, Citation Oil & Gas Corp., Frio County, 129 thousand reported
MIDWAY C — oil, Trinity Operating (Usg), LLC, Frio County, 128 thousand reported
HILDEBRAND, IRA P. — oil, Exxon Corp., Frio County, 128 thousand reported
HARDIN UNIT — oil, Hess Corporation, Frio County, 128 thousand reported
HURRIKAIN CAT I-STX — oil, Formentera Operations LLC, Frio County, 127 thousand reported
KINCAID — oil, U.S. Enercorp, Ltd., Frio County, 127 thousand reported
KOTHMANN 301 — oil, Venado Operating Company LLC, Frio County, 127 thousand reported
HITZFELDER — oil, Property Development Group, Inc., Frio County, 126 thousand reported
THOMPSON, C. R., ESTATE — gas, Amax Oil & Gas Inc., Frio County, 126 thousand reported
HCE HM 10 — oil, Hat Creek Energy LLC, Frio County, 125 thousand reported
BURNS, JANE -C- — oil, HCM, Frio County, 124 thousand reported
MORALES, PEDRO — oil, Blackbrush O & G, Inc., Frio County, 123 thousand reported
MIDWAY D — oil, Trinity Operating (Usg), LLC, Frio County, 123 thousand reported
HARLAN, R. K. — gas, Virtex Operating Company, Inc., Frio County, 123 thousand reported
C CROSS RANCH 304 — oil, Javelin Energy Partners MGMT LLC, Frio County, 122 thousand reported
TATE, G. E. — gas, Amax Oil & Gas Inc., Frio County, 120 thousand reported
THOMPSON-SMITH A — oil, Rosewood Resources, Inc., Frio County, 119 thousand reported
BANRICH — oil, SN Operating, LLC, Frio County, 118 thousand reported
HERNANDEZ, ROMAN — gas, Amax Oil & Gas Inc., Frio County, 118 thousand reported
PALS RANCH — oil, Blackbrush O & G, LLC, Frio County, 116 thousand reported
SENDERO-STX-UNIT — oil, Formentera Operations LLC, Frio County, 115 thousand reported
MCWILLIAMS-O'NEILL EF — oil, Virtex Operating Company, Inc., Frio County, 114 thousand reported
THOMPSON, C. R., ESTATE — gas, Amax Oil & Gas Inc., Frio County, 113 thousand reported
HURT — oil, Germany Operating Company, Frio County, 113 thousand reported
THOMPSON-SMITH B — oil, Rosewood Resources, Inc., Frio County, 113 thousand reported
SATTLER, EUGENE — gas, Amax Oil & Gas Inc., Frio County, 112 thousand reported
AVANT, J. R. -B- #1 — oil, Sage Energy Company, Frio County, 112 thousand reported
R.H. PICKENS, ET AL, A7 — oil, Cabot Oil & Gas Corporation, Frio County, 112 thousand reported
MCKINNEY — oil, Amac Energy, L.L.C., Frio County, 111 thousand reported
HCE BB 05S — oil, Hat Creek Energy LLC, Frio County, 110 thousand reported
PEARSALL PARTNERS/GLG MCDERMAND — oil, Petro-Hunt Corporation, Frio County, 110 thousand reported
MCWILLIAMS HEIRS A — oil, Virtex Operating Company, Inc., Frio County, 110 thousand reported
MCWILLIAMS-SOT-SARTAIN EF — oil, Virtex Operating Company, Inc., Frio County, 109 thousand reported
CALVERT, J. H. — gas, Virtex Petroleum Company, Inc., Frio County, 109 thousand reported
LOTHRINGER — oil, Virtex Operating Company, Inc., Frio County, 107 thousand reported
FERGUSON — oil, Blackbrush O & G, LLC, Frio County, 106 thousand reported
MANN, EDWARD — oil, Neumann, Alfred, Frio County, 106 thousand reported
WHITLEY-DUBOSE UNIT — oil, Marathon Oil Ef LLC, Frio County, 106 thousand reported
MONTEZUMA 101HY — oil, Javelin Energy Partners MGMT LLC, Frio County, 106 thousand reported
KOTHMANN-KERR UNIT — oil, Ef Energy, L.L.C., Frio County, 106 thousand reported
WILLIAMS, GEO, M. — gas, Virtex Petroleum Company, Inc., Frio County, 106 thousand reported
THOMPSON, J.C. JR — oil, Rim Operating, Inc., Frio County, 105 thousand reported
BERRY, MARTHA F. — gas, Amax Oil & Gas Inc., Frio County, 105 thousand reported
BUCKLEY, CLIFFORD ET AL — oil, Cantro Exploration, Inc., Frio County, 105 thousand reported
WILLIAMS, GEO. M. — gas, Virtex Petroleum Company, Inc., Frio County, 103 thousand reported
JOHNSTON -A- — oil, Brayton Oil Corp., Frio County, 103 thousand reported
SHACKELFORD — oil, SN Operating, LLC, Frio County, 102 thousand reported
OPPENHEIMER — oil, Sabre Operating, Inc., Frio County, 102 thousand reported
HOYLE-KOTHMANN — oil, Virtex Operating Company, Inc., Frio County, 101 thousand reported
TATE, GORDON E. — gas, Amax Oil & Gas Inc., Frio County, 101 thousand reported
THOMPSON, C. M. — oil, Mina Energy, Inc., Frio County, 100 thousand reported
GOERING, A. E. — gas, Amax Oil & Gas Inc., Frio County, 99 thousand reported
GPC PEDRO MORALES UNIT — oil, Goodrich Petroleum Company, Frio County, 99 thousand reported
MONTEZUMA 101HZ — oil, Javelin Energy Partners MGMT LLC, Frio County, 98 thousand reported
ORELIA RANCH G — oil, Rosewood Resources, Inc., Frio County, 98 thousand reported
HCE HM 04 — oil, Hat Creek Energy LLC, Frio County, 97 thousand reported
BORDOVSKY, J. S. "A" — oil, HCM, Frio County, 97 thousand reported
BENNETT-MORALES UNIT — oil, Hinton Production Company, Frio County, 97 thousand reported
BETCO-AVANT UNIT — oil, Union Pacific Resources Company, Frio County, 96 thousand reported
STEWART - MICHAEL UNIT — oil, Ricochet Energy, Inc., Frio County, 95 thousand reported
KOTHMANN UNIT — oil, Ef Energy, L.L.C., Frio County, 95 thousand reported
CALVERT — oil, Blackbrush O & G, Inc., Frio County, 94 thousand reported
THUNDERBIRD 101HX — oil, Javelin Energy Partners MGMT LLC, Frio County, 94 thousand reported
BRUSHHOOK 101HA — oil, Javelin Energy Partners MGMT LLC, Frio County, 93 thousand reported
THOMPSON-SMITH C U — oil, Rosewood Resources, Inc., Frio County, 93 thousand reported
MCKINLEY — oil, Texas American Resources Company, Frio County, 93 thousand reported
SHINER RANCH — gas, Blackbrush O & G, Inc., Frio County, 92 thousand reported
OPPENHEIMER UNIT — oil, Blackbrush O & G, LLC, Frio County, 92 thousand reported
BROWN — gas, Property Development Group, Inc., Frio County, 91 thousand reported
LITTLE-DUKES UNIT — oil, Virtex Operating Company, Inc., Frio County, 91 thousand reported
ROSENAUER, MATTIE — oil, HCM, Frio County, 91 thousand reported
MCKINNEY — oil, Hughes, Dan A. Company, L.P., Frio County, 91 thousand reported
WALDEN, R. C. — gas, Amax Oil & Gas Inc., Frio County, 90 thousand reported
BUERGER — oil, Southwest Oil & Land, Inc., Frio County, 90 thousand reported
THUNDERBIRD 101HW — oil, Javelin Energy Partners MGMT LLC, Frio County, 90 thousand reported
WILLIAMS — oil, Harper Hefte, Inc., Frio County, 89 thousand reported
R.H. PICKENS, ET AL 'A' — oil, Cabot Oil & Gas Corporation, Frio County, 89 thousand reported
HRH THOMPSOM — oil, Capitol Operating & Expl., Inc., Frio County, 89 thousand reported
MARRS MCLEAN — oil, Virtex Operating Company, Inc., Frio County, 89 thousand reported
GEORGE R. BROWN — oil, Virtex Operating Company, Inc., Frio County, 88 thousand reported
HCE JN 01 — oil, Hat Creek Energy LLC, Frio County, 87 thousand reported
WEST, FRED D. — gas, Amax Oil & Gas Inc., Frio County, 86 thousand reported
HERNANDEZ, ROMAN — gas, Amax Oil & Gas Inc., Frio County, 86 thousand reported
R.H. PICKENS, ET AL 'B' — oil, Cabot Oil & Gas Corporation, Frio County, 86 thousand reported
HCE ST 01 — oil, Hat Creek Energy LLC, Frio County, 86 thousand reported
BOLL FRO B — oil, Exco Operating Company, LP, Frio County, 86 thousand reported
BRUSHHOOK 101HB — oil, Javelin Energy Partners MGMT LLC, Frio County, 85 thousand reported
S BEEVER ET AL — oil, Virtex Operating Company, Inc., Frio County, 85 thousand reported
BAKER, JAMES A. — oil, Williams, Clayton Energy, L.L.C, Frio County, 85 thousand reported

Production figures are as reported to the Railroad Commission of Texas. Values shown on lease pages are estimates produced by fitting a decline curve to that reported history; they are not offers or appraisals.