Oil and gas leases in Starr County — page 14

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 14 of 17

SLICK, T.B. A — gas, Conoco Inc., Starr County, 25 thousand reported
SAMANO — gas, El Paso Production Oil & Gas Co., Starr County, 25 thousand reported
MARRS-MCLEAN — oil, South Texas Limited Partnership, Starr County, 25 thousand reported
HALL, J. F. STATE — gas, Kerr-Mcgee Oil & Gas Onshore LLC, Starr County, 25 thousand reported
URSCHEL, C.F. — oil, Oxy USA Inc., Starr County, 24 thousand reported
GONZALEZ, L. — gas, Eog Resources, Inc., Starr County, 24 thousand reported
COATES 553 — gas, Texas Independent Explor., Inc., Starr County, 24 thousand reported
GARZA, JUAN M. — gas, CM TX Production, LLC, Starr County, 24 thousand reported
ESCOBAR — gas, Samedan Oil Corporation, Starr County, 24 thousand reported
HINOJOSA, ISIDRO GAS UNIT — gas, Transtexas Gas Corporation, Starr County, 24 thousand reported
HALL, J. F.-STATE — gas, Kerr-Mcgee Oil & Gas Onshore LLC, Starr County, 24 thousand reported
SHEERIN, IRENE-TEXAS STATE — gas, Neuhaus, V. F. Properties, Inc., Starr County, 24 thousand reported
ORIVE, A. — oil, Sanchez-O'Brien Oil & Gas Corp., Starr County, 24 thousand reported
GARCIA — oil, Strata Operating, Inc., Starr County, 24 thousand reported
ZARSKY-BAIRD UNIT — gas, M & S Production Company, Starr County, 24 thousand reported
HINOJOSA, J. L. — oil, M & S Production Company, Starr County, 24 thousand reported
LA BRISA RANCH 913 — gas, Trap Rock Oil, Ltd., Starr County, 23 thousand reported
SAENZ, VICENTE — gas, Texas Fuel Company, Starr County, 23 thousand reported
BENTSEN, L. M. "B" — gas, Quisto Expl. & Production, L.C., Starr County, 23 thousand reported
PEREZ GAS UNIT — gas, Prolithic Energy Company, L.P., Starr County, 23 thousand reported
VERA, J. P. — gas, Americo Oil Company, Starr County, 23 thousand reported
LA BRISA RANCH 907 — gas, Trap Rock Oil, Ltd., Starr County, 23 thousand reported
SHEERIN, IRENE-TEXAS STATE — gas, Neuhaus, V. F. Properties, Inc., Starr County, 23 thousand reported
HASTINGS-LOPEZ — gas, Drillmar Operating Company, Starr County, 23 thousand reported
MARTINEZ -B- — oil, Samedan Oil Corporation, Starr County, 23 thousand reported
SPEER, GEO. H. — gas, Exaro Energy II, LLC, Starr County, 23 thousand reported
HALL, C. M. -A- — gas, Oryx Energy Company, Starr County, 23 thousand reported
GARCIA L&L -C- — gas, Oryx Energy Company, Starr County, 23 thousand reported
I.V. MONTALVO 'C' — gas, Killam Oil Co., Ltd., Starr County, 23 thousand reported
MAYFAIR LA BRISA — gas, Hanson Production Company, Starr County, 23 thousand reported
YZAGUIRRE — gas, Texas Independent Explor., Inc., Starr County, 23 thousand reported
AMANDA MCKINNEY — oil, Killam Oil Co., Ltd., Starr County, 22 thousand reported
ORIVE, A. "A" — gas, Oryx Energy Company, Starr County, 22 thousand reported
SLICK, T. B., EST. — oil, Fina Oil & Chemical Company, Starr County, 22 thousand reported
HERMANN, A.G. JR. GAS UNIT — gas, Oryx Energy Company, Starr County, 22 thousand reported
MARTINEZ B — gas, Samedan Oil Corporation, Starr County, 22 thousand reported
STATE LMB PARTNERSHIP — gas, Samedan Oil Corporation, Starr County, 22 thousand reported
LAUREL, C. — gas, Kerr-Mcgee Oil & Gas Onshore LLC, Starr County, 22 thousand reported
SLICK, T. B. ESTATE — gas, Fina Oil & Chemical Company, Starr County, 22 thousand reported
GARZA-RIVAS UNIT(D.D.OIL CO.-B-) — gas, D.Y. Exploration, Inc., Starr County, 22 thousand reported
T. B. SLICK ESTATE 'E' 537 — oil, Hilcorp Energy Company, Starr County, 22 thousand reported
MONTALVO, N. R. — oil, Oryx Energy Company, Starr County, 22 thousand reported
TRUSTEE #1 — gas, Star Of Texas Energy SRVS, Inc., Starr County, 22 thousand reported
FROST NATIONAL BANK -B- — gas, Kerr-Mcgee Oil & Gas Onshore LP, Starr County, 21 thousand reported
HEARD — gas, Ram Operating Company, Inc., Starr County, 21 thousand reported
PENA — oil, Newgulf Petroleum, LLC, Starr County, 21 thousand reported
SLICK 230 — gas, Samson Lone Star LP, Starr County, 21 thousand reported
MARTINEZ -B- — oil, Samedan Oil Corporation, Starr County, 21 thousand reported
FINA CONOCO FEE — oil, Fina Oil & Chemical Company, Starr County, 21 thousand reported
DE FLORES, M. S. — gas, Tasca Exploration Company, Starr County, 21 thousand reported
GARCIA LAND & LIVESTOCK CO. -A- — oil, Oryx Energy Company, Starr County, 21 thousand reported
GARCIA, T. — oil, Starco Exploration, Inc., Starr County, 21 thousand reported
GARCIA — oil, Escudo Oil & Gas, LLC, Starr County, 21 thousand reported
EVELYN CAMERON STATE — gas, Carrizo Oil & Gas, Inc., Starr County, 21 thousand reported
3 M SOUTH — oil, Newgulf Petroleum, LLC, Starr County, 21 thousand reported
HEARD, J.F.B. — gas, Alpha Omega Petroleum, Inc., Starr County, 20 thousand reported
ESQUIVEL — gas, Reveille Resources (Texas), Inc., Starr County, 20 thousand reported
MARRS-MCLEAN — oil, South Texas Limited Partnership, Starr County, 20 thousand reported
SEMMES TRUST, ET AL "906" — gas, Conoco Inc., Starr County, 20 thousand reported
PARKS/HICKMAN — oil, Mortimer Exploration Company, Starr County, 20 thousand reported
SHEERIN, IRENE-TEXAS STATE — gas, Neuhaus, V. F. Properties, Inc., Starr County, 20 thousand reported
GUERRA, F. B. — gas, Greenbrier Oper. Co., Starr County, 20 thousand reported
HEARD — oil, Noble Energy Inc, Starr County, 20 thousand reported
BOSTON TEXAS LAND TRUST #3 — gas, Legacy Corporation, The, Starr County, 20 thousand reported
A.G. HERMAN GAS UNIT — gas, Oryx Energy Company, Starr County, 20 thousand reported
GUERRA, A. A — oil, Wynn-Crosby Energy, Inc., Starr County, 20 thousand reported
GARCIA, T. — gas, Reveille Resources, Starr County, 20 thousand reported
BLACK STONE MINERALS — gas, TNT Petroleum Company, Inc., Starr County, 20 thousand reported
MARTINEZ -B- — oil, Samedan Oil Corporation, Starr County, 20 thousand reported
GARCIA, I. Y. — gas, Kerr-Mcgee Oil & Gas Onshore LP, Starr County, 19 thousand reported
ELOY — oil, Tepee Petroleum Co., Inc., Starr County, 19 thousand reported
MCGILL BROS. — oil, Exxon Corp., Starr County, 19 thousand reported
DON CAMERON ET AL G. U. — gas, Dewbre Petroleum Corporation, Starr County, 19 thousand reported
TREVINO, E. — oil, Dearman, W. C., Starr County, 19 thousand reported
GUERRA, R. R. — oil, Bommer Engineering Co., Starr County, 19 thousand reported
TEXACO FEE GUERRA "F" — gas, Linder Oil Company,A Partnership, Starr County, 19 thousand reported
HILES/GARZA — oil, Mortimer Production Company, Starr County, 19 thousand reported
COATES ESTATE — gas, Texas Independent Explor., Inc., Starr County, 19 thousand reported
LA BRISA RANCH — gas, Carrizo Oil & Gas, Inc., Starr County, 19 thousand reported
MARTINEZ, B. — gas, Samedan Oil Corporation, Starr County, 19 thousand reported
REILLY HEIRS — gas, Oryx Energy Company, Starr County, 19 thousand reported
HERMANN, A.G. GAS UNIT — oil, Kerr-Mcgee Oil & Gas Onshore LLC, Starr County, 19 thousand reported
LA BRISA — gas, Texas Independent Explor., Inc., Starr County, 19 thousand reported
GUERRA, R.R. — gas, Waters Eng. & Operating, Inc., Starr County, 19 thousand reported
BENTSEN — gas, Strata Operating, Inc., Starr County, 19 thousand reported
GUERRA, F. B. "F" — gas, Wynn-Crosby Energy, Inc., Starr County, 19 thousand reported
GUERRA-USA GAS UNIT "D" — gas, El Paso E & P Company, L. P., Starr County, 19 thousand reported
DE FLORES, M. S. G/U — gas, Carl Oil & Gas Co., Starr County, 18 thousand reported
LA BRISA RANCH / STATE 542 — gas, Trap Rock Oil, Ltd., Starr County, 18 thousand reported
MONTALVO, I.V. -C- — gas, Oryx Energy Company, Starr County, 18 thousand reported
SAENZ — gas, Acock/Anaqua Operating Co., LP, Starr County, 18 thousand reported
BLOOMBERG, SAMUEL D. — gas, Smith Production Inc., Starr County, 18 thousand reported
MCKINNEY, AMANDA — gas, Kerr-Mcgee Oil & Gas Onshore LP, Starr County, 18 thousand reported
LA BRISA RANCH/STATE 542 — oil, Glenn, Wayne E. & Assoc., Inc., Starr County, 18 thousand reported
GUERRA, R. A. ET AL — oil, Acock Engineering & Assoc., Inc., Starr County, 18 thousand reported
MCGILL BROS. — oil, Exxon Corp., Starr County, 18 thousand reported
MONTALVO, N. R. — gas, Reh Energy, Inc., Starr County, 18 thousand reported
SLICK, T. B. ESTATE A — gas, Conoco Inc., Starr County, 18 thousand reported
MCKINNEY, A. — oil, Oryx Energy Company, Starr County, 18 thousand reported
GONZALEZ, RICARDO — gas, Eog Resources, Inc., Starr County, 18 thousand reported
LA BRISA LAND & CATTLE CO. — gas, J. & M. Well Service, Inc., Starr County, 18 thousand reported
CAMERON GAS UNIT — gas, Neuhaus, V. F. Properties, Inc., Starr County, 17 thousand reported
MONTALVO 'B' UNIT — oil, Killam Oil Co., Ltd., Starr County, 17 thousand reported
YTURRIA L & L — gas, Merit Energy Company, Starr County, 17 thousand reported
USA — gas, Sanchez-O'Brien Oil & Gas Corp., Starr County, 17 thousand reported
GARZA - RIVAS UNIT — gas, D.Y. Exploration, Inc., Starr County, 17 thousand reported
TB SLICK ESTATE A 527 — oil, Hilcorp Energy Company, Starr County, 17 thousand reported
COATES — oil, Tri-C Resources, Inc., Starr County, 17 thousand reported
LA BRISA RANCH — oil, Belco Operating Corp., Starr County, 17 thousand reported
GARCIA L&L CO. — oil, Kerr-Mcgee Oil & Gas Onshore LLC, Starr County, 17 thousand reported
SAMANO — gas, El Paso Production Oil & Gas Co., Starr County, 17 thousand reported
BRANNAN, JOHN -A- — oil, M & S Production Company, Starr County, 17 thousand reported
VILLARREAL — gas, M. J. G., Inc., Starr County, 17 thousand reported
DAVENPORT, O. H. HEIRS — gas, Fina Oil & Chemical Company, Starr County, 17 thousand reported
HALL, C. M. — gas, Oryx Energy Company, Starr County, 16 thousand reported
MAYFAIR LA BRISA — gas, Hanson Minerals Co., Starr County, 16 thousand reported
YTURRIA L&L — oil, Bison Energy Partners, Inc., Starr County, 16 thousand reported
MARTINEZ — oil, Denovo Oil & Gas, Inc., Starr County, 16 thousand reported
GREINER "A" NO.1 — oil, Mueller Engineering Corp., Starr County, 16 thousand reported
GREEN & MANNING GAS UNIT NO. 1 — gas, J. & M. Well Service, Inc., Starr County, 16 thousand reported
NATIONSBANK — gas, Transtexas Gas Corporation, Starr County, 16 thousand reported
SHEERIN, IRENE-TEXAS STATE — gas, Neuhaus, V. F. Properties, Inc., Starr County, 16 thousand reported
MCGILL BROS. — oil, Exxon Corp., Starr County, 16 thousand reported
T. GARCIA — oil, 12TH Man Energy, LLC, Starr County, 16 thousand reported
CONOCO-RINCON UT — oil, Kerr-Mcgee Oil & Gas Onshore LLC, Starr County, 15 thousand reported
STATE OF TEXAS — gas, Hanson Production Company, Starr County, 15 thousand reported
HALL, J. F. STATE — oil, Kerr-Mcgee Oil & Gas Onshore LLC, Starr County, 15 thousand reported
PIRTLE, G. W. ET AL — oil, Wagner, Duer & Co., Starr County, 15 thousand reported
SLICK, T.B. ESTATE B — gas, Conoco Inc., Starr County, 15 thousand reported
GUERRA, R.A. — gas, Amax Oil & Gas Inc., Starr County, 15 thousand reported
CAMERON-STATE — gas, Dahco Operating, LLC, Starr County, 15 thousand reported
LYONS, HELENE W. — oil, J. & M. Well Service, Inc., Starr County, 15 thousand reported
COATES — gas, Tri-C Resources, Inc., Starr County, 15 thousand reported
I.V. MONTALVO 'C' — gas, Killam Oil Co., Ltd., Starr County, 15 thousand reported
FINA-CONOCO FEE — gas, Fina Oil & Chemical Company, Starr County, 15 thousand reported
CHAPOTAL LAND CO. — gas, Kerr-Mcgee Oil & Gas Onshore LP, Starr County, 15 thousand reported
MCLEAN, MARRS — oil, South Texas Limited Partnership, Starr County, 15 thousand reported
I.V. MONTALVO 'C' — gas, Killam Oil Co., Ltd., Starr County, 15 thousand reported
GUERRA STATE GAS UNIT — gas, Opex Energy, LLC, Starr County, 15 thousand reported
GARCIA L & L -C- — gas, Oryx Energy Company, Starr County, 15 thousand reported
GARCIA, JOSE DR. — gas, Energy Development Corp., Starr County, 15 thousand reported
STATE SLICK "D" — gas, Fina Oil & Chemical Company, Starr County, 15 thousand reported
DEGARCIA, B. G. — gas, Smith Production Inc., Starr County, 15 thousand reported
EAST, ALICE K.,MRS.,STATE — gas, Exxon Corp., Starr County, 15 thousand reported
FUENTES, J. R. — oil, J. & M. Well Service, Inc., Starr County, 15 thousand reported
GARCIA L & L COMPANY "C" — gas, Oryx Energy Company, Starr County, 14 thousand reported
DE GARCIA, B. G. — gas, Kerr-Mcgee Oil & Gas Onshore LP, Starr County, 14 thousand reported
CAMERON, W. I. — oil, Conoco Inc., Starr County, 14 thousand reported
SHEERIN DEEP GAS UNIT — gas, Neuhaus, V. F. Properties, Inc., Starr County, 14 thousand reported
BENTSEN BROS. "B" — gas, Shell Western E&P, Starr County, 14 thousand reported
KINCAID,J. W. — oil, Altman Energy, Inc., Starr County, 14 thousand reported
CARRUTH, E.B. JR, TRUST ET AL — oil, Cordele Development Corporation, Starr County, 14 thousand reported
MONTALVO, I.V. -A- — gas, Oryx Energy Company, Starr County, 14 thousand reported
LOPEZ G.U. — oil, Edge Petroleum Oper. Co., Inc., Starr County, 14 thousand reported
GARCIA L&L CO. — gas, Kerr-Mcgee Oil & Gas Onshore LLC, Starr County, 14 thousand reported
RICABY — gas, White Oak Operating Company LLC, Starr County, 14 thousand reported
NEBLETT — oil, Carrizo Oil & Gas, Inc., Starr County, 14 thousand reported
LA BRISA 91 — gas, Texas Independent Explor., Inc., Starr County, 14 thousand reported
FRIO E UNIT -B- — oil, Conoco Inc., Starr County, 14 thousand reported
CELESTINO GARZA GU — gas, M. J. G., Inc., Starr County, 14 thousand reported
GARZA, A. M.-STATE — oil, Shell Western E&P Inc., Starr County, 13 thousand reported
MCGILL BROS — oil, Exxon Corp., Starr County, 13 thousand reported
FARIAS, N. A. — gas, Peoples Energy Prod.-TX, L.P., Starr County, 13 thousand reported
LA BRISA RANCH 907 — oil, Trap Rock Oil Company, Starr County, 13 thousand reported
GUERRA, R. A. — gas, Amax Oil & Gas Inc., Starr County, 13 thousand reported
SOLIS, DOLORES S., ET AL — gas, Neuhaus, V. F. Properties, Inc., Starr County, 13 thousand reported
MORSE — oil, Cherry, William H., Inc., Starr County, 13 thousand reported
VILLARREAL, G. G. -C- UNIT 22 — oil, Oryx Energy Company, Starr County, 13 thousand reported
MCKINNEY, AMANDA — gas, Exaro Energy II, LLC, Starr County, 13 thousand reported
MARTINEZ, FELIX — gas, Neuhaus, V. F. Properties, Inc., Starr County, 13 thousand reported
SHEERIN, IRENE - TEXAS STATE — gas, Neuhaus, V. F. Properties, Inc., Starr County, 13 thousand reported
LAUREL — oil, Jetco Exploration, Starr County, 13 thousand reported
LA BRISA LAND & CATTLE CO. — gas, J. & M. Well Service, Inc., Starr County, 13 thousand reported
MCGILL BROS. — gas, Exxon Corp., Starr County, 13 thousand reported
ALVAREZ-HINOJOSA GAS UNIT — gas, Kerr-Mcgee Oil & Gas Onshore LLC, Starr County, 13 thousand reported
CAMERON — gas, Cameron, Paul E., JR., Inc., Starr County, 13 thousand reported
SAMANO, M. — oil, Starco Exploration, Inc., Starr County, 13 thousand reported
ALVAREZ-HINOJOSA GAS UNIT — gas, Kerr-Mcgee Oil & Gas Onshore LP, Starr County, 13 thousand reported
EAST, ALICE K., MRS., -B- — oil, Exxon Corp., Starr County, 13 thousand reported
GUERRA SHARE 189 — gas, Texaco E & P Inc., Starr County, 12 thousand reported
MONTALVO, N. R. — gas, Exxon Corp., Starr County, 12 thousand reported
SLICK ESTATE — oil, Texas Independent Explor., Inc., Starr County, 12 thousand reported
DAVENPORT -A- — oil, Texas Independent Explor., Inc., Starr County, 12 thousand reported
BLOOMBERG, SAMUEL D. — gas, Edge Petroleum Oper. Co., Inc., Starr County, 12 thousand reported
DECKER GU — gas, J. & M. Well Service, Inc., Starr County, 12 thousand reported
COOK, VANNIE, TRUSTS — oil, Schiefelbein & Lagrange Oil Co., Starr County, 12 thousand reported
SHARE 92 — oil, Metano Energy, LP, Starr County, 12 thousand reported
FROST NATIONAL BANK — gas, Hughes, Dan A. Company, L.P., Starr County, 12 thousand reported
OLIVAREZ, O. GU — gas, Amax Oil & Gas Inc., Starr County, 12 thousand reported
PARKS, W.S. ET AL — gas, J. & M. Well Service, Inc., Starr County, 12 thousand reported
ZERTUCHE, F. — oil, Fanion Production Co., Starr County, 12 thousand reported
FINA CONOCO FEE — gas, Fina Oil & Chemical Company, Starr County, 12 thousand reported
RODRIGUEZ, S. — gas, Oryx Energy Company, Starr County, 12 thousand reported
LA BRISA RANCH — gas, Pyle Petroleum, Starr County, 12 thousand reported
STATE-SLICK -D- — gas, Fina Oil & Chemical Company, Starr County, 12 thousand reported
BLOCK, E. HEIRS "B" — gas, Exxon Corp., Starr County, 12 thousand reported
I.V. MONTALVO 'A' — gas, Killam Oil Co., Ltd., Starr County, 12 thousand reported
SLICK, T. B. B-536 — gas, Conoco Inc., Starr County, 12 thousand reported
COATES — gas, Tri-C Resources, Inc., Starr County, 12 thousand reported
SAENZ — oil, Acock/Anaqua Operating Co., LP, Starr County, 12 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.