Oil and gas leases in Starr County — page 10

Starr County, Texas has 3,285 oil and gas leases with production on file at the Railroad Commission, all of them in Commission district 04. 434 of them are oil leases and 2,851 are gas leases. Between them they carry 3,688 wellbores. Reported volumes run from January 1993 to August 2026 and come to 16.6 million barrels of oil and 3.1 billion Mcf of gas. 245 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 Starr County

How many oil and gas leases are in Starr County?
Starr County has 3,285 oil and gas leases with production reported to the Railroad Commission of Texas, as of August 2026.
How much oil and gas has Starr County produced?
Leases in Starr County have reported 16,596,226 barrels of oil (bbl) and 3,108,595,775 thousand cubic feet of gas (Mcf) to the Railroad Commission of Texas between January 1993 and August 2026.
How many operators are active in Starr County?
245 operators file production returns for leases in Starr County.
How much are mineral rights in Starr County worth?
There is no single figure: what a mineral or royalty interest in Starr County is worth depends on the individual lease, its decline, and the share the owner holds. Each of the 3,285 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 10 of 17

  • SLICK ESTATE — gas, Royal Production Company, Inc., Starr County, 190 thousand reported
  • DE GARZA, J. M. — gas, Southwest Oil & Land, Inc., Starr County, 189 thousand reported
  • MCKINNEY, AMANDA — oil, Kerr-Mcgee Oil & Gas Onshore LLC, Starr County, 188 thousand reported
  • SLICK, T. B. ESTATE — gas, Fina Oil & Chemical Company, Starr County, 188 thousand reported
  • GARCIA — gas, Touchstone Resources USA, Inc., Starr County, 188 thousand reported
  • SLICK, T. B. ESTATE — gas, Fina Oil & Chemical Company, Starr County, 188 thousand reported
  • REILLY HEIRS — gas, Oryx Energy Company, Starr County, 187 thousand reported
  • FINA CONOCO FEE — gas, Fina Oil & Chemical Company, Starr County, 187 thousand reported
  • COATES — gas, Tri-C Resources, Inc., Starr County, 187 thousand reported
  • SLICK, T. B. ESTATE "B" 536 — gas, Conoco Inc., Starr County, 187 thousand reported
  • GEO. H. SPEER — oil, Killam Oil Co., Ltd., Starr County, 187 thousand reported
  • USA 1 — gas, Cantera Operating, LLC, Starr County, 186 thousand reported
  • TEXAS OSAGE GAS UNIT — gas, Amax Oil & Gas Inc., Starr County, 186 thousand reported
  • GUERRA-USA GAS UNIT D — gas, Cantera Operating, LLC, Starr County, 186 thousand reported
  • DE GARCIA, B. G. — gas, Oryx Energy Company, Starr County, 184 thousand reported
  • SAMANO — gas, El Paso Production Oil & Gas Co., Starr County, 184 thousand reported
  • GONZALEZ, L. — gas, Enron Oil & Gas Company, Starr County, 184 thousand reported
  • ZAMORA — gas, Marquee Corporation, Starr County, 183 thousand reported
  • SLICK, T. B. EST. -A- 527 — gas, Kerr-Mcgee Oil & Gas Onshore LLC, Starr County, 182 thousand reported
  • MCKINNEY, AMANDA — gas, Exaro Energy II, LLC, Starr County, 182 thousand reported
  • GUERRA, A., JR. ET AL -A- — gas, PG&E Resources Company, Starr County, 182 thousand reported
  • BENTSEN BROS. "B" — gas, Shell Western E&P Inc., Starr County, 181 thousand reported
  • MCGILL BROS. — gas, Exxon Corp., Starr County, 181 thousand reported
  • SLICK ESTATE -C- — gas, Kerr-Mcgee Oil & Gas Onshore LLC, Starr County, 181 thousand reported
  • GARCIA, J.A. ETAL — gas, Merit Energy Company, Starr County, 181 thousand reported
  • GARZA-MONTALVO GAS UNIT — gas, Oryx Energy Company, Starr County, 181 thousand reported
  • DE GARCIA, B. G. — gas, Kerr-Mcgee Oil & Gas Onshore LP, Starr County, 181 thousand reported
  • GARCIA, M. M. B-538 — gas, Conoco Inc., Starr County, 181 thousand reported
  • SMITH, R.G. — gas, Wagner, Duer & Co., Starr County, 181 thousand reported
  • LA BRISA — oil, Texas Independent Explor., Inc., Starr County, 180 thousand reported
  • SLICK ESTATE -C- — gas, Oryx Energy Company, Starr County, 180 thousand reported
  • REILLY HEIRS — gas, Kerr-Mcgee Oil & Gas Onshore LP, Starr County, 180 thousand reported
  • BENTSEN BROS. "A" — gas, Headington Oil Company, Starr County, 180 thousand reported
  • YTURRIA L&L — gas, Merit Energy Company, Starr County, 179 thousand reported
  • SLICK, T. B. -B- — gas, Conoco Inc., Starr County, 179 thousand reported
  • FINA-CONOCO FEE — gas, Fina Oil & Chemical Company, Starr County, 179 thousand reported
  • GUERRA, R.A. — oil, M. J. G., Inc., Starr County, 179 thousand reported
  • SLICK, T. B. ESTATE "B" 266 — gas, Houston Exploration Company, The, Starr County, 177 thousand reported
  • MONTALVO, N. R. — gas, Exxon Corp., Starr County, 177 thousand reported
  • SHEERIN, IRENE-TEXAS STATE — gas, Neuhaus, V. F. Properties, Inc., Starr County, 177 thousand reported
  • SLICK, T B STATE "B" 222 — gas, Kerr-Mcgee Oil & Gas Onshore LLC, Starr County, 176 thousand reported
  • H. ACEVADO GAS UNIT — gas, Suemaur Exploration, Inc., Starr County, 176 thousand reported
  • H. ACEVEDO GAS UNIT — gas, Suemaur Exploration, Inc., Starr County, 175 thousand reported
  • HEARD, J. F. B. — gas, Alpha Omega Petroleum, Inc., Starr County, 175 thousand reported
  • BOSTON TEXAS LAND TRUST CO. — gas, Quisto Expl. & Production, L.C., Starr County, 175 thousand reported
  • DE FLORES, M. S. — gas, El Paso Production Oil & Gas Co., Starr County, 174 thousand reported
  • MONTALVO,I.V., -C- — gas, Oryx Energy Company, Starr County, 174 thousand reported
  • GARZA-RIVAS UNIT — gas, D.Y. Exploration, Inc., Starr County, 174 thousand reported
  • SLICK STATE "B" — gas, Apache Corporation, Starr County, 173 thousand reported
  • GARCIA, T. — gas, Reveille Resources, Starr County, 173 thousand reported
  • SAENZ, M., -STATE — gas, Oryx Energy Company, Starr County, 172 thousand reported
  • SEMMES TRUST, ET AL "906" — oil, Conoco Inc., Starr County, 172 thousand reported
  • LA BRISA RANCH 913 — gas, J. & M. Well Service, Inc., Starr County, 171 thousand reported
  • GARCIA — gas, Reveille Resources (Texas), Inc., Starr County, 171 thousand reported
  • SOUTHWEST TEXAS CORP. E — gas, Bluestone Natural Res. II, LLC, Starr County, 171 thousand reported
  • FROST NATIONAL BANK -A- — gas, Kerr-Mcgee Oil & Gas Onshore LP, Starr County, 170 thousand reported
  • BLOOMBERG, SAMUEL D. — gas, Apache Corporation, Starr County, 169 thousand reported
  • SLICK ESTATE -C- — gas, Kerr-Mcgee Oil & Gas Onshore LP, Starr County, 169 thousand reported
  • GUERRA — oil, Lpes, Inc., Starr County, 168 thousand reported
  • SLICK, T. B. ESTATE A — gas, Conoco Inc., Starr County, 168 thousand reported
  • FINA CONOCO FEE — gas, Fina Oil & Chemical Company, Starr County, 168 thousand reported
  • SLICK, T. B. ESTATE "A" — gas, Conoco Inc., Starr County, 168 thousand reported
  • I.V. MONTALVO 'C' — gas, Killam Oil Co., Ltd., Starr County, 167 thousand reported
  • MCGILL BROS. — gas, Exxon Mobil Corporation, Starr County, 167 thousand reported
  • GUERRA SHARE 305-C — gas, Texaco E & P Inc., Starr County, 167 thousand reported
  • SLICK, T B EST A 527 — gas, Kerr-Mcgee Oil & Gas Onshore LLC, Starr County, 167 thousand reported
  • MARTINEZ -B- — gas, Samedan Oil Corporation, Starr County, 166 thousand reported
  • ORIVE, A. — gas, Oryx Energy Company, Starr County, 166 thousand reported
  • COATES — gas, Tri-C Resources, Inc., Starr County, 165 thousand reported
  • FINA CONOCO FEE — gas, Fina Oil & Chemical Company, Starr County, 165 thousand reported
  • MONTALVO, N. R. — gas, Reh Energy, Inc., Starr County, 165 thousand reported
  • ROOS, ET AL — gas, Transtexas Gas Corporation, Starr County, 164 thousand reported
  • HEARD, J. F. B. — gas, Integrated Operating Corporation, Starr County, 162 thousand reported
  • REILLY HEIRS — gas, Hughes, Dan A. Company, L.P., Starr County, 162 thousand reported
  • GREINER ESTATE — gas, Carrizo Oil & Gas, Inc., Starr County, 161 thousand reported
  • CARRUTH, E.B. JR. TRUST, ET AL — gas, Cordele Development Corporation, Starr County, 161 thousand reported
  • GUERRA BROTHERS "H" — gas, Texas Independent Explor., Inc., Starr County, 161 thousand reported
  • GUERRA, LOUISE — gas, Wagner, Duer & Co., Starr County, 161 thousand reported
  • CHAPOTAL LAND CO. -A- — gas, Oryx Energy Company, Starr County, 160 thousand reported
  • GARCIA — gas, Touchstone Resources USA, Inc., Starr County, 159 thousand reported
  • REILLY GAS UNIT — gas, Oryx Energy Company, Starr County, 159 thousand reported
  • SAMANO "C" — gas, Cox Exploration, Inc., Starr County, 159 thousand reported
  • JONES FAMILY — gas, Bluestone Natural Res. II, LLC, Starr County, 159 thousand reported
  • ALVAREZ-HINOJOSA GAS UNIT — gas, Oryx Energy Company, Starr County, 158 thousand reported
  • SLICK, T. B. EST. -B- — gas, Conoco Inc., Starr County, 158 thousand reported
  • EVERARDO GARZA UNIT — gas, Texas Independent Explor Ltd., Starr County, 158 thousand reported
  • CHAMPION, A.A. — gas, Kerr-Mcgee Oil & Gas Onshore LP, Starr County, 157 thousand reported
  • HALL, J. F. STATE — gas, Killam Oil Co., Ltd., Starr County, 157 thousand reported
  • DE GARCIA, B.G. — gas, Oryx Energy Company, Starr County, 157 thousand reported
  • SLICK, T.B. A-535 — gas, Conoco Inc., Starr County, 157 thousand reported
  • GUERRA SHARE 8D — gas, Lynx Energy Company, Inc., Starr County, 157 thousand reported
  • HENSLEY-YTURRIA — oil, Carrizo Oil & Gas, Inc., Starr County, 157 thousand reported
  • CHAMPION, A. A. — gas, Kerr-Mcgee Oil & Gas Onshore LP, Starr County, 157 thousand reported
  • LONGORIA — gas, Milagro Exploration, LLC, Starr County, 157 thousand reported
  • SLICK ESTATE — gas, Trap Rock Oil, Ltd., Starr County, 156 thousand reported
  • HALL, C.M. -C- — gas, Oryx Energy Company, Starr County, 156 thousand reported
  • SLICK ESTATE 539 — gas, Texas Independent Explor., Inc., Starr County, 155 thousand reported
  • TCR SPEER-STATE — gas, Kerr-Mcgee Oil & Gas Onshore LP, Starr County, 155 thousand reported
  • GUERRA "D" — gas, Newfield Exploration Company, Starr County, 154 thousand reported
  • WOOD UNIT — gas, Mortimer Production Company, Starr County, 153 thousand reported
  • HERMANN, E. — gas, Kerr-Mcgee Oil & Gas Onshore LP, Starr County, 153 thousand reported
  • IGNACIA GUTIERREZ — oil, Rlu Operating, LLC, Starr County, 153 thousand reported
  • MARTINEZ -B- — gas, Samedan Oil Corporation, Starr County, 153 thousand reported
  • SLICK, T. B. ESTATE — gas, Fina Oil & Chemical Company, Starr County, 153 thousand reported
  • SAMANO — gas, El Paso Production Oil & Gas Co., Starr County, 153 thousand reported
  • GUERRA, R. A. — gas, Peoples Energy Prod.-TX, L.P., Starr County, 152 thousand reported
  • FARIAS UNIT — gas, Neuhaus, V. F. Properties, Inc., Starr County, 152 thousand reported
  • BAZAN — gas, Legend Natural Gas III, LP, Starr County, 152 thousand reported
  • COATES 553 — gas, Samson Lone Star LP, Starr County, 152 thousand reported
  • DAVENPORT, F. D., -A- — gas, Conoco Inc., Starr County, 152 thousand reported
  • GUERRA, F.B. ESTATE -B- — gas, PG&E Resources Company, Starr County, 152 thousand reported
  • SLICK STATE "B" — gas, Edge Petroleum Oper. Co., Inc., Starr County, 151 thousand reported
  • I.V. MONTALVO 'C' — gas, Killam Oil Co., Ltd., Starr County, 151 thousand reported
  • SLICK, T. B. ESTATE — gas, Fina Oil & Chemical Company, Starr County, 150 thousand reported
  • LA BRISA RANCH — gas, Glenn, Wayne E. & Assoc., Inc., Starr County, 150 thousand reported
  • DE GARZA, J.M. — gas, Southwest Oil & Land, Inc., Starr County, 150 thousand reported
  • GUERRA, R.A. — gas, Amax Oil & Gas Inc., Starr County, 150 thousand reported
  • FROST NATIONAL BANK -B- — gas, Kerr-Mcgee Oil & Gas Onshore LLC, Starr County, 149 thousand reported
  • MARTINEZ C — gas, Samedan Oil Corporation, Starr County, 149 thousand reported
  • SLICK, T. B. ESTATE — gas, Fina Oil & Chemical Company, Starr County, 149 thousand reported
  • CANALES, E. G. -GARZA GU — gas, Eog Resources, Inc., Starr County, 149 thousand reported
  • TRUSTEE #2A — gas, Star Of Texas Energy SRVS, Inc., Starr County, 148 thousand reported
  • BENTSEN BROS. -B- — gas, Shell Western E&P Inc., Starr County, 148 thousand reported
  • TEXACO FEE GUERRA SHARE 22 — gas, Metano Energy, LP, Starr County, 148 thousand reported
  • MULHOLLAND, ETAL — gas, Milagro Exploration, LLC, Starr County, 148 thousand reported
  • BOSTON TEXAS LAND TRUST #4 — gas, Legacy Corporation, The, Starr County, 147 thousand reported
  • DE PENA, V. L. — gas, Cimarron Engineering Corp., Starr County, 147 thousand reported
  • DE LOPEZ, C. V. — oil, Oryx Energy Company, Starr County, 147 thousand reported
  • STATE OF TEXAS-SLICK #4 — gas, Star Of Texas Energy SRVS, Inc., Starr County, 147 thousand reported
  • CAMERON — gas, Osborn,W.B. Oil & Gas Operations, Starr County, 147 thousand reported
  • VILLAREAL — gas, Peoples Energy Prod.-TX, L.P., Starr County, 146 thousand reported
  • GARCIA L&L CO. "C" — gas, Oryx Energy Company, Starr County, 146 thousand reported
  • GARCIA L & L CO. -C- — gas, Oryx Energy Company, Starr County, 146 thousand reported
  • LA BRISA RANCH 907 — gas, Trap Rock Oil, Ltd., Starr County, 146 thousand reported
  • DIAZ — gas, Reveille Resources, Starr County, 145 thousand reported
  • FLORES SEABURY — gas, Wolsey Well Service, L.P., Starr County, 145 thousand reported
  • CHAMPION, A. A. — gas, Kerr-Mcgee Oil & Gas Onshore LLC, Starr County, 144 thousand reported
  • SLICK, T. B. ESTATE — oil, Merit Energy Company, Starr County, 144 thousand reported
  • SLICK, EARL F. — gas, Hanson Production Company, Starr County, 144 thousand reported
  • SLICK STATE — gas, Smith Production Inc., Starr County, 143 thousand reported
  • SLICK, T.B. ESTATE — gas, Fina Oil & Chemical Company, Starr County, 143 thousand reported
  • GONZALES — gas, Texas Independent Explor., Inc., Starr County, 143 thousand reported
  • MAYFAIR LABRISA — gas, Texas Independent Explor., Inc., Starr County, 143 thousand reported
  • HMC-TIE LA BRISA — gas, Texas Independent Explor., Inc., Starr County, 143 thousand reported
  • FROST NATIONAL BANK -B- — gas, Kerr-Mcgee Oil & Gas Onshore LLC, Starr County, 143 thousand reported
  • FARIAS UNIT — gas, Neuhaus, V. F. Properties, Inc., Starr County, 143 thousand reported
  • RICHMOND — gas, Smith Production Inc., Starr County, 143 thousand reported
  • GARCIA L & L -C- — gas, Oryx Energy Company, Starr County, 143 thousand reported
  • STATE/SLICK — gas, Esenjay Petroleum Corp., Starr County, 142 thousand reported
  • GUERRA 'D' — gas, Milagro Exploration, LLC, Starr County, 141 thousand reported
  • SLICK 539 — gas, Texas Independent Explor., Inc., Starr County, 141 thousand reported
  • DE GARCIA, B. G. — oil, Oryx Energy Company, Starr County, 141 thousand reported
  • GARZA HEIRS — gas, Kerr-Mcgee Oil & Gas Onshore LLC, Starr County, 141 thousand reported
  • GUERRA, R. R. — gas, Hunter Petroleum Inc., Starr County, 141 thousand reported
  • GONZALES — oil, Newgulf Petroleum, LLC, Starr County, 141 thousand reported
  • SLICK-STATE — gas, Smith Production Inc., Starr County, 141 thousand reported
  • SLICK STATE "B" — gas, Smith Production Inc., Starr County, 140 thousand reported
  • CHAPOTAL LAND CO. -B- — gas, Kerr-Mcgee Oil & Gas Onshore LLC, Starr County, 140 thousand reported
  • BENTSEN BROS. -A- — gas, Headington Oil Company, Starr County, 140 thousand reported
  • SLICK 539 — gas, Samson Lone Star LP, Starr County, 140 thousand reported
  • GARCIA L&L CO. — gas, Smith Production Inc., Starr County, 139 thousand reported
  • SLICK, T. B. ESTATE "B" 536 — gas, Houston Exploration Company, The, Starr County, 139 thousand reported
  • CANTU UNIT — gas, Tasca Exploration Company, Starr County, 139 thousand reported
  • SLICK, T.B. ESTATE — gas, Fina Oil & Chemical Company, Starr County, 138 thousand reported
  • SLICK, T. B. ESTATE — gas, Fina Oil & Chemical Company, Starr County, 137 thousand reported
  • YZAGUIRRE — gas, Texas Independent Explor., Inc., Starr County, 137 thousand reported
  • GUERRA, R. R. — gas, Waters Eng. & Operating, Inc., Starr County, 137 thousand reported
  • LAUREL, C. — gas, Oryx Energy Company, Starr County, 137 thousand reported
  • SLICK, T. B. EST — gas, Fina Oil & Chemical Company, Starr County, 137 thousand reported
  • A. G. HERMANN JR. GAS UNIT — gas, Oryx Energy Company, Starr County, 137 thousand reported
  • COATES — gas, Tri-C Resources, Inc., Starr County, 136 thousand reported
  • MORSE — gas, Hughes, Dan A. Company, Starr County, 136 thousand reported
  • LA BRISA RANCH/STATE 542 — oil, Glenn, Wayne E. & Assoc., Inc., Starr County, 135 thousand reported
  • SPEER, GEO. H. STATE -D- — gas, Kerr-Mcgee Oil & Gas Onshore LP, Starr County, 135 thousand reported
  • MCGILL BROTHERS — gas, Exxon Corp., Starr County, 135 thousand reported
  • GUERRA BROS. — gas, Peoples Energy Prod.-TX, L.P., Starr County, 135 thousand reported
  • SLICK, T.B. EST. -A- — gas, Conoco Inc., Starr County, 133 thousand reported
  • MARTINEZ -B- — gas, Samedan Oil Corporation, Starr County, 133 thousand reported
  • CARDENAS, R.R. — gas, Oryx Energy Company, Starr County, 133 thousand reported
  • DE GARCIA, B. G. — gas, Kerr-Mcgee Oil & Gas Onshore LP, Starr County, 132 thousand reported
  • SLICK ESTATE "C" — gas, Kerr-Mcgee Oil & Gas Onshore LLC, Starr County, 132 thousand reported
  • SLICK — gas, Texas Independent Explor., Inc., Starr County, 132 thousand reported
  • MCCLURE — gas, Eog Resources, Inc., Starr County, 132 thousand reported
  • SLICK STATE "B" — gas, Edge Petroleum Oper. Co., Inc., Starr County, 131 thousand reported
  • LA BRISA LAND & CATTLE — gas, Texas Independent Explor., Inc., Starr County, 131 thousand reported
  • GUERRA, R. A. — gas, M. J. G., Inc., Starr County, 131 thousand reported
  • SLICK T.B. -A- 229 — oil, Kerr-Mcgee Oil & Gas Onshore LLC, Starr County, 131 thousand reported
  • SLICK, T. B. ESTATE — gas, Totalfinaelf E&P USA Inc, Starr County, 131 thousand reported
  • GUERRA, F. B. ESTATE -B- — gas, Wynn-Crosby Energy, Inc., Starr County, 130 thousand reported
  • MONTALVO, I. V. -C- — gas, Oryx Energy Company, Starr County, 130 thousand reported
  • GEO. H. SPEER — gas, Killam Oil Co., Ltd., Starr County, 130 thousand reported
  • SLICK, T.B. EST. -A- — gas, Conoco Inc., Starr County, 130 thousand reported
  • CHAPOTAL LAND CO. — gas, Kerr-Mcgee Oil & Gas Onshore LP, Starr County, 130 thousand reported
  • TEXACO FEE — gas, Linder Oil Company,A Partnership, Starr County, 130 thousand reported
  • FINA-CONOCO FEE — gas, Fina Oil & Chemical Company, Starr County, 130 thousand reported
  • FLORES — gas, Carl Oil & Gas Co., Starr County, 129 thousand reported
  • LA BRISA — oil, Texas Independent Explor., Inc., Starr County, 128 thousand reported
  • MONTALVO, I. V. -A- — gas, Exaro Energy II, LLC, Starr County, 128 thousand reported
  • BARRERA — gas, M. J. G., Inc., Starr County, 128 thousand reported
  • RICABY, S. B., ESTATE -D- — gas, J. & M. Well Service, Inc., Starr County, 127 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.