Oil and gas leases in Starr County — page 12

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 12 of 17

  • SLICK, EARL F. — gas, Texas Independent Explor., Inc., Starr County, 79 thousand reported
  • SLICK, T. B. ESTATE — gas, Fina Oil & Chemical Company, Starr County, 79 thousand reported
  • GARCIA, J. A. ET AL — gas, Bison Energy Partners, Inc., Starr County, 78 thousand reported
  • STATE OF TEXAS — gas, Hanson Production Company, Starr County, 78 thousand reported
  • PENA, EMMA ET AL — gas, Shell Western E&P, Starr County, 78 thousand reported
  • MARRS-MCLEAN — gas, South Texas Limited Partnership, Starr County, 78 thousand reported
  • HERMANN, E. — gas, Kerr-Mcgee Oil & Gas Onshore LP, Starr County, 77 thousand reported
  • LA BRISA RANCH — gas, Pyle Petroleum, Starr County, 77 thousand reported
  • SLICK ESTATE 539 — gas, Texas Independent Explor., Inc., Starr County, 77 thousand reported
  • GARZA, JUAN M. — oil, D.Y. Exploration, Inc., Starr County, 77 thousand reported
  • STATE SLICK "D" — gas, Totalfinaelf E&P USA Inc, Starr County, 77 thousand reported
  • DE GARCIA, B.G. — gas, Oryx Energy Company, Starr County, 76 thousand reported
  • WALKER, BILLY L — gas, Mortimer Exploration Company, Starr County, 76 thousand reported
  • DEE DAVENPORT STATE OF TEXAS — gas, Fina Oil & Chemical Company, Starr County, 76 thousand reported
  • STATE OF TEXAS-SLICK #2 — gas, Star Of Texas Energy SRVS, Inc., Starr County, 76 thousand reported
  • SEMMES TRUST , ET AL 906 — oil, Kerr-Mcgee Oil & Gas Onshore LLC, Starr County, 76 thousand reported
  • GARCIA, M. GAS UNIT — gas, Legend Natural Gas III, LP, Starr County, 76 thousand reported
  • SLICK, T. B. ESTATE — gas, Fina Oil & Chemical Company, Starr County, 76 thousand reported
  • MARGO ESTATE — gas, Edge Petroleum Oper. Co., Inc., Starr County, 76 thousand reported
  • SLICK, T. B. STATE HB 222 — gas, Kerr-Mcgee Oil & Gas Onshore LLC, Starr County, 75 thousand reported
  • GUERRA-USA GAS UNIT "D" — gas, El Paso E & P Company, L. P., Starr County, 75 thousand reported
  • GUERRA, A. JR., ET AL -A- — gas, PG&E Resources Company, Starr County, 75 thousand reported
  • HORNADAY — gas, Bluestone Natural Res. II, LLC, Starr County, 75 thousand reported
  • A. G. HERMANN GAS UNIT — gas, Kerr-Mcgee Oil & Gas Onshore LLC, Starr County, 75 thousand reported
  • MCGILL BROS. — gas, Coronado Energy E&P Company, LLC, Starr County, 75 thousand reported
  • TEXACO FEE-GUERRA "C" #1 — oil, Linder Oil Company,A Partnership, Starr County, 74 thousand reported
  • SLICK, T.B. ESTATE A 527 — gas, Forest Oil Corporation, Starr County, 73 thousand reported
  • SLICK, T. B. ESTATE — gas, Fina Oil & Chemical Company, Starr County, 73 thousand reported
  • SLICK, T. B. ESTATE — gas, Total E&P USA, Inc., Starr County, 73 thousand reported
  • N.R. MONTALVO — gas, Killam Oil Co., Ltd., Starr County, 73 thousand reported
  • BARRERA, R. — gas, Quintana Pet. Corp., Starr County, 72 thousand reported
  • STATE OF TEXAS — gas, Hanson Production Company, Starr County, 72 thousand reported
  • DE GARCIA, B. G. — gas, Kerr-Mcgee Oil & Gas Onshore LP, Starr County, 72 thousand reported
  • FARIAS UNIT — gas, Neuhaus, V. F. Properties, Inc., Starr County, 71 thousand reported
  • GUERRA SHARE 184 — gas, Texaco E & P Inc., Starr County, 71 thousand reported
  • DE GARCIA, B.G. — gas, Oryx Energy Company, Starr County, 71 thousand reported
  • GUERRA, A. "A" — gas, Tesoro E&P Company, L.P., Starr County, 71 thousand reported
  • SLICK, T. B. EST. A 485 — gas, Kerr-Mcgee Oil & Gas Onshore LLC, Starr County, 71 thousand reported
  • CAMERON — gas, Cameron, Paul E., JR., Inc., Starr County, 71 thousand reported
  • SLICK ESTATE -C- — gas, Kerr-Mcgee Oil & Gas Onshore LP, Starr County, 71 thousand reported
  • SLICK, T. B. ESTATE A — gas, Conoco Inc., Starr County, 71 thousand reported
  • FROST NATIONAL BANK -A- — gas, Kerr-Mcgee Oil & Gas Onshore LP, Starr County, 71 thousand reported
  • MONTALVO, N. R. — gas, Kerr-Mcgee Oil & Gas Onshore LLC, Starr County, 71 thousand reported
  • MARTINEZ B — gas, Samedan Oil Corporation, Starr County, 71 thousand reported
  • DAVENPORT, D. STATE — gas, Conoco Inc., Starr County, 71 thousand reported
  • SLICK, T. B. -A- 229 — gas, Kerr-Mcgee Oil & Gas Onshore LLC, Starr County, 70 thousand reported
  • GUERRA, H. P. -C- — gas, Mcrae, Nathan D., Starr County, 70 thousand reported
  • GUERRA, F.B. — gas, M & S Production Company, Starr County, 70 thousand reported
  • SAMANO, M. "C" — gas, Coastal Oil & Gas Corporation, Starr County, 70 thousand reported
  • GARCIA, T. — gas, Reveille Resources, Starr County, 70 thousand reported
  • I. V. MONTALVO 'C' — oil, Killam Oil Co., Ltd., Starr County, 69 thousand reported
  • LA BRISA RANCH/STATE 542 — gas, Glenn, Wayne E. & Assoc., Inc., Starr County, 69 thousand reported
  • MCLEAN, MARRS — oil, South Texas Limited Partnership, Starr County, 69 thousand reported
  • NYE, F. GAS UNIT — gas, Ricochet Energy, Inc., Starr County, 69 thousand reported
  • CAMERON GAS UNIT — gas, Paladin-Hayes, L.L.C., Starr County, 69 thousand reported
  • SAENZ, M. -STATE — gas, Oryx Energy Company, Starr County, 69 thousand reported
  • SAMANO "H' — gas, El Paso Production Oil & Gas Co., Starr County, 69 thousand reported
  • AMANDA MCKINNEY — gas, Killam Oil Co., Ltd., Starr County, 69 thousand reported
  • HERMAN, A.G. GAS UNIT — gas, Oryx Energy Company, Starr County, 69 thousand reported
  • SHEERIN GAS UNIT — gas, Legend Natural Gas III, LP, Starr County, 68 thousand reported
  • OLIVARES, A. — gas, Killam Oil Co., Ltd., Starr County, 68 thousand reported
  • SOUTHWEST TEXAS CORP. D — gas, Bluestone Natural Res. II, LLC, Starr County, 68 thousand reported
  • ECHOLS, GEORGE — gas, Coastal Oil & Gas Corporation, Starr County, 68 thousand reported
  • LA BRISA RANCH PARTNERS 91 — oil, J. & M. Well Service, Inc., Starr County, 68 thousand reported
  • SLICK, T. B. ESTATE — gas, Total E&P USA, Inc., Starr County, 68 thousand reported
  • SLICK ESTATE — gas, Texas Independent Explor., Inc., Starr County, 68 thousand reported
  • I. V. MONTALVO 'C' — oil, Killam Oil Co., Ltd., Starr County, 68 thousand reported
  • SLICK, T..B. ESTATE A — oil, Conoco Inc., Starr County, 68 thousand reported
  • GUERRA SHARES 304-C — gas, Petro-Hunt Corporation, Starr County, 68 thousand reported
  • MARRS-MCLEAN — gas, South Texas Limited Partnership, Starr County, 67 thousand reported
  • SANCHEZ — gas, BT Operating Co., Starr County, 67 thousand reported
  • VILLARREAL — gas, Energy Development Corp., Starr County, 67 thousand reported
  • USA 3 — gas, Cantera Operating, LLC, Starr County, 66 thousand reported
  • DE GARCIA, B. G. — gas, Kerr-Mcgee Oil & Gas Onshore LLC, Starr County, 66 thousand reported
  • VILLARREAL — gas, Energy Development Corp., Starr County, 66 thousand reported
  • HERMAN, A.G. GAS UNIT — gas, Oryx Energy Company, Starr County, 66 thousand reported
  • GARZA, ROMEO — gas, Eog Resources, Inc., Starr County, 66 thousand reported
  • MCGILL BROS. — gas, Exxon Corp., Starr County, 65 thousand reported
  • HERMANN, A. G. GAS UNIT — gas, Kerr-Mcgee Oil & Gas Onshore LP, Starr County, 65 thousand reported
  • A. G. HERMANN GAS UNIT — gas, Kerr-Mcgee Oil & Gas Onshore LLC, Starr County, 65 thousand reported
  • LYONS, HELENE — gas, Booher Engineering, Inc., Starr County, 65 thousand reported
  • SLICK, T. B. ESTATE "B" 536 — gas, Conoco Inc., Starr County, 65 thousand reported
  • CANTU — gas, WJW Operating Co.,LLC, Starr County, 64 thousand reported
  • SAENZ,NOE — gas, Tepee Petroleum Co., Inc., Starr County, 64 thousand reported
  • NILO GU — gas, Enron Oil & Gas Company, Starr County, 64 thousand reported
  • SHARE 305-C — gas, Lynx Energy Company, Inc., Starr County, 63 thousand reported
  • GARZA, A. M. -STATE — gas, Merit Energy Company, Starr County, 63 thousand reported
  • SALINAS — gas, Hanson Production Company, Starr County, 63 thousand reported
  • DE GARZA, J.M. — gas, Americo Oil Company, Starr County, 63 thousand reported
  • SLICK STATE "B" — oil, Smith Production Inc., Starr County, 62 thousand reported
  • HIDALGO-WILLACY — gas, L & F Drilling Co., Inc. (1), Starr County, 62 thousand reported
  • MAYFAIR LABRISA — gas, Hanson Production Company, Starr County, 62 thousand reported
  • GUERRA, J. C. ET AL — oil, Kelley Oil Corporation, Starr County, 62 thousand reported
  • GUERRA. F.B. "E" — oil, Corpus Christi Leaseholds, Inc., Starr County, 62 thousand reported
  • KING EDMUNDS — gas, Starco Exploration, Inc., Starr County, 61 thousand reported
  • GONZALES — gas, Newgulf Petroleum, LLC, Starr County, 61 thousand reported
  • SLICK, T. B. ESTATE — gas, Shell Western E&P, Starr County, 61 thousand reported
  • MCGILL BROS. — gas, Exxon Corp., Starr County, 61 thousand reported
  • MARGO/PENA — gas, Mortimer Exploration Company, Starr County, 61 thousand reported
  • BLISS — gas, El Paso Production Oil & Gas Co., Starr County, 61 thousand reported
  • SLICK, EARL F. — oil, Texas Independent Explor., Inc., Starr County, 61 thousand reported
  • SLICK, T B EST -B- 486 — oil, Kerr-Mcgee Oil & Gas Onshore LLC, Starr County, 61 thousand reported
  • HASTINGS-LOPEZ — gas, Drillmar Operating Company, Starr County, 61 thousand reported
  • LA BRISA RANCH/BELMONT — oil, Trap Rock Oil, Ltd., Starr County, 60 thousand reported
  • TEXACO FEE GUERRA C — gas, Metano Energy, LP, Starr County, 60 thousand reported
  • SAENZ, M.-STATE — gas, Oryx Energy Company, Starr County, 60 thousand reported
  • HERMANN, A.G. GAS UNIT — gas, Oryx Energy Company, Starr County, 60 thousand reported
  • FINA CONOCO FEE — gas, Fina Oil & Chemical Company, Starr County, 60 thousand reported
  • GARCIA, I. Y. — gas, Kerr-Mcgee Oil & Gas Onshore LLC, Starr County, 60 thousand reported
  • SLICK, T.B. ESTATE — gas, Fina Oil & Chemical Company, Starr County, 60 thousand reported
  • HEARD, J. F. B. — gas, Integrated Operating Corporation, Starr County, 60 thousand reported
  • LA BRISA 971 — oil, Texas Independent Explor., Inc., Starr County, 60 thousand reported
  • SLICK ESTATE -C- — gas, Oryx Energy Company, Starr County, 59 thousand reported
  • CAMERON-STATE — gas, Dahco Operating, LLC, Starr County, 59 thousand reported
  • SLICK 531 — oil, Texas Independent Explor., Inc., Starr County, 58 thousand reported
  • ECHOLS, GEORGE — gas, Greenbrier Oper. Co., Starr County, 58 thousand reported
  • CAMERON, DON — gas, Neuhaus, V. F. Properties, Inc., Starr County, 58 thousand reported
  • GUERRA SHARE 184 — gas, Petro-Hunt Corporation, Starr County, 58 thousand reported
  • HALL, J.F. -STATE-A- — gas, Oryx Energy Company, Starr County, 58 thousand reported
  • YZAGUIRRE — gas, Texas Independent Explor., Inc., Starr County, 58 thousand reported
  • GUERRA, F.B. ESTATE -B- — oil, PG&E Resources Company, Starr County, 57 thousand reported
  • ALVAREZ-HINOJOSA UNIT (UPPER) — gas, Kerr-Mcgee Oil & Gas Onshore LP, Starr County, 57 thousand reported
  • SPEER, GEORGE H. ST. "B" — gas, Oryx Energy Company, Starr County, 57 thousand reported
  • KEMPNER MINERALS, LP — gas, Pyle Petroleum, Inc., Starr County, 57 thousand reported
  • DOYNO — gas, Falcon Production Co., Starr County, 57 thousand reported
  • SLICK, T. B. ESTATE A-527 — gas, Conoco Inc., Starr County, 57 thousand reported
  • YTURRIA L & L CO. -B- — gas, Kerr-Mcgee Oil & Gas Onshore LLC, Starr County, 57 thousand reported
  • DE FLORES, M.S. — gas, Tasca Exploration Company, Starr County, 57 thousand reported
  • REILLY HEIRS — oil, Oryx Energy Company, Starr County, 56 thousand reported
  • BENTSEN TRACT 1V -A- — gas, TNT Petroleum Company, Inc., Starr County, 56 thousand reported
  • BOSTON TEXAS LAND TRUST # 4 — gas, Legacy Corporation, The, Starr County, 56 thousand reported
  • TEXACO FEE-GUERRA "E" #1 — oil, Linder Oil Company,A Partnership, Starr County, 56 thousand reported
  • DE GARZA, J. M. — oil, Southwest Oil & Land, Inc., Starr County, 56 thousand reported
  • MAYFAIR LABRISA — gas, Hanson Production Company, Starr County, 55 thousand reported
  • MCGILL BROS. — oil, Exxon Corp., Starr County, 55 thousand reported
  • SLICK, T. B. A-229 — oil, Conoco Inc., Starr County, 55 thousand reported
  • MARTINEZ — gas, Thorp Petroleum Corporation, Starr County, 55 thousand reported
  • MARGO — gas, Newgulf Petroleum, LLC, Starr County, 55 thousand reported
  • YTURRIA L&L CO. -B- — gas, Oryx Energy Company, Starr County, 55 thousand reported
  • SLICK 535 — gas, Texas Independent Explor., Inc., Starr County, 54 thousand reported
  • SLICK, T.B. ESTATE A-527 — oil, Conoco Inc., Starr County, 54 thousand reported
  • FINA CONOCO FEE — gas, Fina Oil & Chemical Company, Starr County, 53 thousand reported
  • LEHR — gas, Americo Oil Company, Starr County, 53 thousand reported
  • GUERRA, A., JR. ET AL -A- — gas, PG&E Resources Company, Starr County, 53 thousand reported
  • STATE OF TEXAS — gas, Hanson Production Company, Starr County, 53 thousand reported
  • GARCIA BB — gas, Wagner Oil Company, Starr County, 53 thousand reported
  • SOUTHWEST FARM & RANCH — gas, Fina Oil & Chemical Company, Starr County, 53 thousand reported
  • NEBLETT — gas, Carrizo Oil & Gas, Inc., Starr County, 52 thousand reported
  • DE GARZA, C. L. — oil, Oryx Energy Company, Starr County, 52 thousand reported
  • OLIVARES, A. — gas, Oryx Energy Company, Starr County, 52 thousand reported
  • GUERRA BROS. — gas, Peoples Energy Prod.-TX, L.P., Starr County, 52 thousand reported
  • CAMERON 487 — oil, Samson Lone Star LP, Starr County, 52 thousand reported
  • GONZALES — gas, Texas Independent Explor., Inc., Starr County, 52 thousand reported
  • SLICK, T. B. EST. -A- — gas, Conoco Inc., Starr County, 52 thousand reported
  • MUNOZ UNIT — gas, Christico Petroleum Company, Starr County, 52 thousand reported
  • DAVENPORT, O.H. — gas, Fina Oil & Chemical Company, Starr County, 52 thousand reported
  • BLOOMBERG, SAMUEL D. — gas, Smith Production Inc., Starr County, 51 thousand reported
  • D. D. OIL CO. -B- — oil, D.Y. Exploration, Inc., Starr County, 51 thousand reported
  • LA BRISA — gas, H & P Exploration Co., Starr County, 51 thousand reported
  • SAMANO "C" — gas, Cox Exploration, Inc., Starr County, 51 thousand reported
  • CANTU UNIT — gas, WJW Operating Co.,LLC, Starr County, 51 thousand reported
  • BROCK, J. D. -A- — oil, M & S Production Company, Starr County, 51 thousand reported
  • REILLY HEIRS — gas, Kerr-Mcgee Oil & Gas Onshore LP, Starr County, 51 thousand reported
  • GUERRA, A. — oil, Newman Operating Company, Starr County, 51 thousand reported
  • SLICK, T. B. ESTATE B1 — gas, Conoco Inc., Starr County, 51 thousand reported
  • PEREZ — oil, Prolithic Energy Company, L.P., Starr County, 51 thousand reported
  • STATE OF TEXAS — gas, Hanson Production Company, Starr County, 50 thousand reported
  • GARCIA HEIRS GAS UNIT — gas, Transtexas Gas Corporation, Starr County, 50 thousand reported
  • YTURRIA L & L — oil, Merit Energy Company, Starr County, 50 thousand reported
  • GARZA — gas, Killam Oil Co., Ltd., Starr County, 50 thousand reported
  • SHARE 180A — gas, Lynx Energy Company, Inc., Starr County, 50 thousand reported
  • SEMMES TRUST , ET AL 906 — oil, Kerr-Mcgee Oil & Gas Onshore LLC, Starr County, 50 thousand reported
  • SLICK, T. B. ESTATE — gas, Fina Oil & Chemical Company, Starr County, 50 thousand reported
  • GUERRA, A. "A" — gas, Tesoro E&P Company, L.P., Starr County, 49 thousand reported
  • SPEER, GEO. H. — gas, Kerr-Mcgee Oil & Gas Onshore LP, Starr County, 49 thousand reported
  • LA BRISA RANCH 913 — gas, Jenkins, Winston, Starr County, 49 thousand reported
  • MONTALVO, I. V. -C- — gas, Oryx Energy Company, Starr County, 49 thousand reported
  • MCLEAN, MARRS — gas, Opex Energy, LLC, Starr County, 48 thousand reported
  • YTURRIA L&L CO. -B- — gas, Oryx Energy Company, Starr County, 48 thousand reported
  • SMITH, R.G. GAS UNIT — gas, Wagner, Duer & Co., Starr County, 48 thousand reported
  • MONTALVO — gas, Samson Lone Star LP, Starr County, 47 thousand reported
  • SLICK, T. B. B-232 — oil, Kerr-Mcgee Oil & Gas Onshore LLC, Starr County, 47 thousand reported
  • KENT A — gas, Edge Petroleum Oper. Co., Inc., Starr County, 47 thousand reported
  • GUERRA GAS UNIT "A" — gas, El Paso Production Oil & Gas Co., Starr County, 47 thousand reported
  • BRANNAN, JOHN "A" — oil, Wynn-Crosby Energy, Inc., Starr County, 47 thousand reported
  • LA BRISA LAND & CATTLE CO. — gas, Pyle Petroleum, Inc., Starr County, 47 thousand reported
  • SAMANO "C" — gas, Starco Exploration, Inc., Starr County, 47 thousand reported
  • HALL, J. F. STATE — gas, Kerr-Mcgee Oil & Gas Onshore LP, Starr County, 47 thousand reported
  • BLACK STONE MINERALS — oil, Pyle Petroleum, Inc., Starr County, 47 thousand reported
  • CANTU UNIT — gas, Tasca Exploration Company, Starr County, 46 thousand reported
  • ELOY — oil, Pride Energy Company, Starr County, 46 thousand reported
  • LAUREL, C. — gas, Oryx Energy Company, Starr County, 46 thousand reported
  • PIRTLE — gas, Barrett Brothers Oil & Gas, Inc., Starr County, 45 thousand reported
  • MCKINNEY, AMANDA — gas, Kerr-Mcgee Oil & Gas Onshore LP, Starr County, 45 thousand reported
  • GUERRA, R.A. — gas, Peoples Energy Prod.-TX, L.P., Starr County, 45 thousand reported
  • A. G. HERMANN GAS UNIT — gas, Kerr-Mcgee Oil & Gas Onshore LLC, Starr County, 45 thousand reported
  • SLICK, T. B. A-535 — gas, Conoco Inc., Starr County, 45 thousand reported
  • DE GARCIA, B. G. — gas, Oryx Energy Company, Starr County, 45 thousand reported
  • OLIVARES , A. — gas, Oryx Energy Company, Starr County, 45 thousand reported
  • STATE SLICK D — gas, Fina Oil & Chemical Company, Starr County, 45 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.