Oil and gas leases in Starr County — page 13

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 13 of 17

TEXACO FEE — gas, Linder Oil Company,A Partnership, Starr County, 45 thousand reported
GARCIA HEIRS GAS UNIT — gas, Transtexas Gas Corporation, Starr County, 44 thousand reported
SLICK, T.B. ESTATE A 527 — oil, Hilcorp Energy Company, Starr County, 44 thousand reported
GARCIA, J.A. ETAL — gas, Merit Energy Company, Starr County, 44 thousand reported
GONZALES — oil, Texas Independent Explor., Inc., Starr County, 44 thousand reported
STATE SLICK #2A — gas, Star Of Texas Energy SRVS, Inc., Starr County, 44 thousand reported
MCKIM-ALVAREZ — gas, Southwest Oil & Land, Inc., Starr County, 44 thousand reported
GARCIA, I. Y. — gas, Smith Production Inc., Starr County, 44 thousand reported
SLICK 531 — gas, Texas Independent Explor., Inc., Starr County, 44 thousand reported
NILO SHALLOW A GU — gas, Enron Oil & Gas Company, Starr County, 43 thousand reported
YTURRIA L & L CO. -B- — gas, Kerr-Mcgee Oil & Gas Onshore LLC, Starr County, 43 thousand reported
MCCLURE — gas, Eog Resources, Inc., Starr County, 43 thousand reported
SALINAS, D. — gas, Ricochet Energy, Inc., Starr County, 43 thousand reported
GARZA, A.M.-STATE — oil, Shell Western E&P Inc., Starr County, 43 thousand reported
KENT DEEP — gas, Edge Petroleum Oper. Co., Inc., Starr County, 43 thousand reported
MONTALVO, N. R. — oil, Reh Energy, Inc., Starr County, 43 thousand reported
HERMANN, E — gas, Smith Production Inc., Starr County, 43 thousand reported
PIRTLE — gas, Barrett Brothers Oil & Gas, Inc., Starr County, 43 thousand reported
ECHOLS, GEORGE ET AL — gas, Greenbrier Oper. Co., Starr County, 42 thousand reported
HALL, J. F. STATE — gas, Kerr-Mcgee Oil & Gas Onshore LLC, Starr County, 42 thousand reported
CAMERON, W.I. 138 — oil, Conoco Inc., Starr County, 42 thousand reported
GUERRA DAVID — gas, Wagner, Duer & Co., Starr County, 42 thousand reported
BROCK, J. D. -A- — oil, M & S Production Company, Starr County, 42 thousand reported
EAST, ALICE K. MRS., STATE — gas, Exxon Corp., Starr County, 42 thousand reported
HILES/GARZA #1 — gas, Mortimer Production Company, Starr County, 42 thousand reported
SHARE 91 — oil, Lynx Energy Company, Inc., Starr County, 42 thousand reported
LA BRISA RANCH — gas, Pyle Petroleum, Inc., Starr County, 42 thousand reported
MARTINEZ -B- — gas, Samedan Oil Corporation, Starr County, 42 thousand reported
GUERRA GAS UNIT "A" — gas, Milagro Exploration, LLC, Starr County, 42 thousand reported
VILLARREAL — gas, Peoples Energy Prod.-TX, L.P., Starr County, 42 thousand reported
CHAPOTAL LAND CO. -A- — oil, Kerr-Mcgee Oil & Gas Onshore LLC, Starr County, 42 thousand reported
GUERRA, R. A. — gas, M. J. G., Inc., Starr County, 41 thousand reported
NILO SHALLOW A GU — gas, Eog Resources, Inc., Starr County, 41 thousand reported
DEGARCIA-CHAMPION UNIT — gas, Kerr-Mcgee Oil & Gas Onshore LLC, Starr County, 41 thousand reported
MILLER B-C SAND UNIT — oil, Oryx Energy Company, Starr County, 41 thousand reported
SLICK "A" — gas, Mueller Engineering Corp., Starr County, 41 thousand reported
FIRST NATIONAL BANK OF MISSION — gas, Amax Oil & Gas Inc., Starr County, 40 thousand reported
CAMERON, DON ET AL -A- — gas, Neuhaus, V. F. Properties, Inc., Starr County, 40 thousand reported
MUNOZ UNIT — gas, Christico Petroleum Company, Starr County, 40 thousand reported
LA BRISA LAND & CATTLE — gas, Texas Independent Explor., Inc., Starr County, 40 thousand reported
GARCIA-YTURRIA -A- GU — gas, Kerr-Mcgee Oil & Gas Onshore LLC, Starr County, 40 thousand reported
MONTALVO, N. R. — gas, Reh Energy, Inc., Starr County, 40 thousand reported
GARCIA, T — gas, Starco Exploration, Inc., Starr County, 40 thousand reported
GARZA, D.L. -A- — gas, Cummins & Walker Oil Co., Inc., Starr County, 39 thousand reported
MARGO "A" — gas, Newgulf Petroleum, LLC, Starr County, 39 thousand reported
GARCIA L&L CO. — gas, Oryx Energy Company, Starr County, 39 thousand reported
SANCHEZ, Y. — gas, M & S Production Company, Starr County, 39 thousand reported
SLICK 230 — gas, Samson Lone Star LP, Starr County, 39 thousand reported
LA BRISA RANCH — gas, Belco Energy Corp., Starr County, 39 thousand reported
SAMANO — gas, Smith Production Inc., Starr County, 39 thousand reported
BLACK STONE MINERALS — gas, Metano Energy, LP, Starr County, 39 thousand reported
SANCHEZ, Y. — gas, M & S Production Company, Starr County, 39 thousand reported
MAYFAIR LA BRISA — oil, Texas Independent Explor Ltd., Starr County, 38 thousand reported
SLICK ESTATE — gas, Texas Independent Explor., Inc., Starr County, 38 thousand reported
GARCIA, DR. JOSE "B" — oil, Energy Development Corp., Starr County, 38 thousand reported
MCKINNEY, AMANDA — gas, Exaro Energy II, LLC, Starr County, 38 thousand reported
JUAREZ, ENEMORIA — gas, Exxon Mobil Corporation, Starr County, 38 thousand reported
GUERRA SHARE 8 - D — gas, Metano Energy, LP, Starr County, 38 thousand reported
REILLY HEIRS — gas, Oryx Energy Company, Starr County, 38 thousand reported
VILLAREAL UNIT — oil, Strata Operating, Inc., Starr County, 37 thousand reported
VILLARREAL — oil, Pitco Investments, Ltd., Starr County, 37 thousand reported
SAENZ — oil, Osborn Heirs Company, Starr County, 37 thousand reported
TEXACO FEE — gas, Texaco E & P Inc., Starr County, 37 thousand reported
LA BRISA RANCH PARTNERS 91 — gas, Metano Energy, LP, Starr County, 37 thousand reported
LA BRISA RANCH — gas, Carrizo Oil & Gas, Inc., Starr County, 37 thousand reported
T. B. SLICK ESTATE 'A' 231 — oil, Hilcorp Energy Company, Starr County, 37 thousand reported
YZAGUIRRE — gas, Texas Independent Explor., Inc., Starr County, 37 thousand reported
PHILLIPS BTLT — gas, Samedan Oil Corporation, Starr County, 37 thousand reported
SLICK, T.B. STATE "B" 232 — oil, Kerr-Mcgee Oil & Gas Onshore LLC, Starr County, 37 thousand reported
T.B. SLICK ESTATE B 528 — gas, Houston Exploration Company, The, Starr County, 37 thousand reported
GARZA, JUAN M. — gas, D.Y. Exploration, Inc., Starr County, 36 thousand reported
MCGILL BROS. — gas, Exxon Corp., Starr County, 36 thousand reported
FLORES UNIT — gas, Bison Energy Partners, Inc., Starr County, 36 thousand reported
DE LOPEZ, C. V. -B- — gas, Oryx Energy Company, Starr County, 36 thousand reported
GUERRA, ET AL. — gas, Morningstar Gas, Inc., Starr County, 36 thousand reported
YTURRIA L & L — oil, Trap Rock Oil, Ltd., Starr County, 36 thousand reported
GARCIA, I. Y. — gas, Kerr-Mcgee Oil & Gas Onshore LLC, Starr County, 36 thousand reported
GUERRA, F. B. "B" — oil, Corpus Christi Leaseholds, Inc., Starr County, 36 thousand reported
MARTINEZ — gas, BPL Exploration, Ltd., Starr County, 36 thousand reported
HORNADAY — gas, Eog Resources, Inc., Starr County, 35 thousand reported
BREAKER — oil, Mortimer Exploration Company, Starr County, 35 thousand reported
SLICK ESTATE -C- — gas, Kerr-Mcgee Oil & Gas Onshore LLC, Starr County, 35 thousand reported
SLICK ESTATE -C- — gas, Kerr-Mcgee Oil & Gas Onshore LLC, Starr County, 35 thousand reported
GARZA STATE UNIT — gas, Tri-C Resources, Inc., Starr County, 35 thousand reported
SAENZ, M. -STATE — oil, Oryx Energy Company, Starr County, 35 thousand reported
FLORES, O. — gas, El Paso Production Oil & Gas Co., Starr County, 35 thousand reported
DIAZ — gas, Touchstone Resources USA, Inc., Starr County, 34 thousand reported
SLICK, T. B. EST -A- — gas, Conoco Inc., Starr County, 34 thousand reported
BROCK — gas, Bengail, Inc, Starr County, 34 thousand reported
CANTU — oil, WJW Operating Co.,LLC, Starr County, 34 thousand reported
GUERRA, R.A. — gas, Peoples Energy Prod.-TX, L.P., Starr County, 34 thousand reported
COOPER FOUNDATION — gas, Bluestone Natural Res. II, LLC, Starr County, 34 thousand reported
FLORES UNIT — gas, Hanson Production Company, Starr County, 34 thousand reported
SLICK, T. B. B-232 — gas, Conoco Inc., Starr County, 34 thousand reported
YTURRIA LAND & LIVESTOCK CO. — gas, Fox, Hewitt B., Inc., Starr County, 34 thousand reported
HERMANN, A. G. GAS UNIT — gas, Kerr-Mcgee Oil & Gas Onshore LLC, Starr County, 34 thousand reported
GUERRA, A., JR. NCT-1 — gas, Texas Independent Explor., Inc., Starr County, 34 thousand reported
SLICK T.B. ESTATE — oil, Total E&P USA, Inc., Starr County, 34 thousand reported
SLICK, T. B. ESTATE — gas, Fina Oil & Chemical Company, Starr County, 34 thousand reported
BROCK, J.D. "H" — gas, M & S Production Company, Starr County, 34 thousand reported
DE GARZA, C. L. — oil, Kerr-Mcgee Oil & Gas Onshore LLC, Starr County, 34 thousand reported
TEXAS OSAGE GAS UNIT — gas, Amax Oil & Gas Inc., Starr County, 34 thousand reported
CAMERON 137 — gas, Texas Independent Explor Ltd., Starr County, 33 thousand reported
H. ACEVEDO GAS UNIT — gas, Suemaur Exploration, Inc., Starr County, 33 thousand reported
MARTINEZ -B- — gas, Samedan Oil Corporation, Starr County, 33 thousand reported
DE GARZA, J. M. — gas, Southwest Oil & Land, Inc., Starr County, 33 thousand reported
MCKINNEY, AMANDA — gas, Exaro Energy II, LLC, Starr County, 33 thousand reported
SHARE 92 — gas, Laredo Energy, LP, Starr County, 33 thousand reported
SOUTHWEST FARM & RANCH — gas, Fina Oil & Chemical Company, Starr County, 33 thousand reported
GARCIA L&L -C- — gas, Oryx Energy Company, Starr County, 33 thousand reported
SILVA-COATES ENERGY TRUST — gas, Oryx Energy Company, Starr County, 32 thousand reported
GREEN - MANNING — gas, J. & M. Well Service, Inc., Starr County, 32 thousand reported
MONTALVO, N. R. — oil, Kerr-Mcgee Oil & Gas Onshore LP, Starr County, 32 thousand reported
CARDENAS, R.R. — gas, Oryx Energy Company, Starr County, 32 thousand reported
MONTALVO, I. V. -C- — gas, Oryx Energy Company, Starr County, 32 thousand reported
CAMERON — oil, Cameron, Paul E., JR., Inc., Starr County, 32 thousand reported
SANCHEZ, A.L. — oil, Quintana Pet. Corp., Starr County, 32 thousand reported
LA BRISA LAND & CATTLE CO. W — gas, TNT Petroleum Company, Inc., Starr County, 32 thousand reported
SLICK, T.B. EST. -H- — gas, Conoco Inc., Starr County, 32 thousand reported
BENTSEN BROS. "B" — gas, Pearl Energy, L.L.C., Starr County, 32 thousand reported
BLOOMBERG, SAMUEL D. — gas, Smith Production Inc., Starr County, 32 thousand reported
MARTINEZ -B- — gas, Samedan Oil Corporation, Starr County, 31 thousand reported
I.V. MONTALVO 'A' — gas, Killam Oil Co., Ltd., Starr County, 31 thousand reported
SLICK, T. B. ESTATE — gas, Fina Oil & Chemical Company, Starr County, 31 thousand reported
SOUTHWEST FARM & RANCH — gas, Fina Oil & Chemical Company, Starr County, 31 thousand reported
T. GARCIA A — oil, Strata Operating, Inc., Starr County, 31 thousand reported
SMITH OIL UNIT — oil, Wagner, Duer & Co., Starr County, 31 thousand reported
STATE OF TEXAS — gas, Hanson Production Company, Starr County, 31 thousand reported
SAENZ, VICENTE STATE -C- — oil, Valor Energy, LLC, Starr County, 31 thousand reported
GARCIA L & L CO. -C- — gas, Kerr-Mcgee Oil & Gas Onshore LLC, Starr County, 31 thousand reported
PENA, LUIS "B" — oil, Reveille Resources, Starr County, 31 thousand reported
SEMMES A — gas, Hamman Oil & Refining Company, Starr County, 31 thousand reported
SLICK ESTATE — gas, Mueller Engineering Corp., Starr County, 30 thousand reported
LA BRISA RANCH/STATE 542 — oil, Glenn, Wayne E. & Assoc., Inc., Starr County, 30 thousand reported
YTURRIA L & L — gas, Bison Energy Partners, Inc., Starr County, 30 thousand reported
MCGILL BROS. — gas, Exxon Corp., Starr County, 30 thousand reported
LA BRISA LAND & CATTLE CO. — gas, TNT Petroleum Company, Inc., Starr County, 30 thousand reported
AL-SW BTLT #1 — gas, Howard Exploration, Inc., Starr County, 30 thousand reported
WALKER-STATE — gas, Navajo Exploration, Inc., Starr County, 30 thousand reported
GUERRA, F. B. ESTATE "B" — gas, Wynn-Crosby Energy, Inc., Starr County, 30 thousand reported
GUERRA BROS. — gas, Peoples Energy Prod.-TX, L.P., Starr County, 30 thousand reported
SILVA — gas, Mustang Oil & Gas Corporation, Starr County, 30 thousand reported
GARZA, A. M.-STATE — oil, Shell Western E&P Inc., Starr County, 30 thousand reported
HALL, C. M. -A- — gas, Kerr-Mcgee Oil & Gas Onshore LP, Starr County, 30 thousand reported
SPEER, GEO. H. STATE -D- — gas, Kerr-Mcgee Oil & Gas Onshore LLC, Starr County, 30 thousand reported
GARCIA L&L CO. — gas, Smith Production Inc., Starr County, 29 thousand reported
SLICK — gas, Royal Production Company, Inc., Starr County, 29 thousand reported
RODRIGUEZ — gas, Tepee Petroleum Co., Inc., Starr County, 29 thousand reported
SEABURY — gas, J. & M. Well Service, Inc., Starr County, 29 thousand reported
GUERRA SHARE 305-C — oil, Texaco E & P Inc., Starr County, 29 thousand reported
SLICK ESTATE -C- — gas, Kerr-Mcgee Oil & Gas Onshore LLC, Starr County, 29 thousand reported
DE LOPEZ, C. V. -A- — oil, Omimex Petroleum, Inc., Starr County, 29 thousand reported
C. V. DE LOPEZ — oil, Killam Oil Co., Ltd., Starr County, 29 thousand reported
ALVARADO, DANIEL — gas, M. J. G., Inc., Starr County, 29 thousand reported
LA BRISA RANCH 907 — gas, Glenn, Wayne E. & Assoc., Inc., Starr County, 29 thousand reported
RAMIREZ GU 'E' — gas, Cantera Operating, LLC, Starr County, 28 thousand reported
MARTINEZ -B- — oil, Noble Energy Inc, Starr County, 28 thousand reported
SPEER, GEO. H. ST. "B" — gas, Exaro Energy II, LLC, Starr County, 28 thousand reported
CAMERON W.I. 138 — gas, Forest Oil Corporation, Starr County, 28 thousand reported
MARTINEZ -B- — gas, Noble Energy Inc, Starr County, 28 thousand reported
LA BRISA RANCH 907 — gas, Glenn, Wayne E. & Assoc., Inc., Starr County, 28 thousand reported
GUERRA, R. R. — gas, Waters Eng. & Operating, Inc., Starr County, 28 thousand reported
GUERRA, F. B. — oil, Kebo Oil & Gas, Inc., Starr County, 28 thousand reported
HEARD, J.F.B. — gas, Alpha Omega Petroleum, Inc., Starr County, 28 thousand reported
FLORES, O. — oil, Tasca Exploration Company, Starr County, 28 thousand reported
DE LOPEZ, C.V. — gas, Oryx Energy Company, Starr County, 28 thousand reported
SLICK T.B. ESTATE "B" 528 — gas, Forest Oil Corporation, Starr County, 28 thousand reported
SLICK, T. B. ESTATE — oil, Fina Oil & Chemical Company, Starr County, 28 thousand reported
MCLEAN, MARRS — gas, J. & M. Well Service, Inc., Starr County, 28 thousand reported
MARTINEZ B — oil, Noble Energy Inc, Starr County, 27 thousand reported
RODRIGUEZ, S. — gas, Oryx Energy Company, Starr County, 27 thousand reported
LA BRISA RANCH / STATE 542 — gas, Trap Rock Oil, Ltd., Starr County, 27 thousand reported
SLICK, T. B. ESTATE "B-266" — gas, Houston Exploration Company, The, Starr County, 27 thousand reported
SLICK — gas, Plains Exploration & Prod. Co., Starr County, 27 thousand reported
GARZA, D. L. — gas, Cummins & Walker Oil Co., Inc., Starr County, 27 thousand reported
LAUREL, C. — gas, Oryx Energy Company, Starr County, 27 thousand reported
MONTALVO HEIRS 'B' — gas, Killam Oil Co., Ltd., Starr County, 27 thousand reported
DR. GARCIA, JOSE G. — gas, Energy Development Corp., Starr County, 27 thousand reported
HEARD — gas, L & F Drilling Co., Inc. (1), Starr County, 27 thousand reported
GEO. H. SPEER — gas, Killam Oil Co., Ltd., Starr County, 26 thousand reported
REILLY HEIRS — gas, Oryx Energy Company, Starr County, 26 thousand reported
GUERRA-USA GAS UNIT "D" — gas, El Paso E & P Company, L. P., Starr County, 26 thousand reported
CAMERON 487 — gas, Texas Independent Explor., Inc., Starr County, 26 thousand reported
HALL, J. F. STATE — oil, Killam Oil Co., Ltd., Starr County, 26 thousand reported
LA BRISA RANCH 907 — oil, Glenn, Wayne E. & Assoc., Inc., Starr County, 26 thousand reported
YTURRIA L &L CO.-B- — gas, Oryx Energy Company, Starr County, 26 thousand reported
LA BRISA RANCH 907 — gas, Glenn, Wayne E. & Assoc., Inc., Starr County, 26 thousand reported
SLICK, T. B. ESTATE — gas, Fina Oil & Chemical Company, Starr County, 26 thousand reported
GUERRA, A., JR. ET AL -A- — gas, Wynn-Crosby Energy, Inc., Starr County, 26 thousand reported
CAMERON — gas, Cameron, Paul E., JR., Inc., Starr County, 26 thousand reported
DE GARZA, C. L. — gas, Oryx Energy Company, Starr County, 25 thousand reported
MARTINEZ, FELIX — gas, Neuhaus, V. F. Properties, Inc., Starr County, 25 thousand reported
MONTALVO, N. R. — gas, Reh Energy, Inc., Starr County, 25 thousand reported
SLICK, T. B. ESTATE — gas, Fina Oil & Chemical Company, Starr County, 25 thousand reported
SPEER, GEO. H. — gas, Oryx Energy Company, Starr County, 25 thousand reported
LA BRISA RANCH/STATE 542 — oil, Glenn, Wayne E. & Assoc., Inc., Starr County, 25 thousand reported
BROCK, J. D. -B- — oil, M & S Production Company, Starr County, 25 thousand reported
FINA CONOCO FEE — gas, Fina Oil & Chemical Company, Starr County, 25 thousand reported
MARRS-MCLEAN — gas, J. & M. Well Service, Inc., Starr County, 25 thousand reported
BENTSEN TRACT I — gas, TNT Petroleum Company, Inc., Starr County, 25 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.