Oil and gas leases in Starr County — page 8

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 8 of 17

  • CLEOPATRA — gas, Wynn-Crosby Energy, Inc., Starr County, 389 thousand reported
  • SHEERIN GAS UNIT — gas, Legend Natural Gas III, LP, Starr County, 388 thousand reported
  • STARRPRO MINERALS B — gas, Legend Natural Gas III, LP, Starr County, 387 thousand reported
  • BLOOMBERG, SAMUEL D. — gas, Starr County, 386 thousand reported
  • WEHRLE, E.F. 220 — gas, Conoco Inc., Starr County, 386 thousand reported
  • DE GARCIA, B.G. — gas, Oryx Energy Company, Starr County, 386 thousand reported
  • SHEERIN UNIT — gas, Metano Energy III, LP, Starr County, 384 thousand reported
  • DE GARCIA, B.G. — gas, Kerr-Mcgee Oil & Gas Onshore LP, Starr County, 384 thousand reported
  • MCCLURE NORTH — gas, Eog Resources, Inc., Starr County, 383 thousand reported
  • REILLY HEIRS — gas, Kerr-Mcgee Oil & Gas Onshore LP, Starr County, 382 thousand reported
  • T. B. SLICK ESTATE "A" 231 — gas, Houston Exploration Company, The, Starr County, 382 thousand reported
  • HERMAN, A.G., JR GAS UNIT — gas, Oryx Energy Company, Starr County, 378 thousand reported
  • I.V. MONTALVO 'C' — oil, Killam Oil Co., Ltd., Starr County, 378 thousand reported
  • GARCIA L&L CO. — gas, Kerr-Mcgee Oil & Gas Onshore LP, Starr County, 377 thousand reported
  • ECHOLS — gas, Milagro Exploration, LLC, Starr County, 377 thousand reported
  • GARCIA, I. Y. — gas, Oryx Energy Company, Starr County, 377 thousand reported
  • GARCIA, M. M. "D" — gas, Conoco Inc., Starr County, 375 thousand reported
  • GUERRA STATE GU — gas, Wagner, Duer & Co., Starr County, 375 thousand reported
  • HEARD — gas, Metano Energy, LP, Starr County, 374 thousand reported
  • MARRS MCLEAN — gas, Ceniza Petroleum, Inc., Starr County, 373 thousand reported
  • HALL, J. F. STATE — gas, Kerr-Mcgee Oil & Gas Onshore LP, Starr County, 371 thousand reported
  • SLICK, T. B. ESTATE "B" 536 — gas, Forest Oil Corporation, Starr County, 371 thousand reported
  • I. V. MONTALVO 'C' — gas, Killam Oil Co., Ltd., Starr County, 370 thousand reported
  • SLICK, T.B. ESTATE #175 UNIT — gas, Conoco Inc., Starr County, 370 thousand reported
  • CAMERON — gas, Ascent Energy, Inc, Starr County, 369 thousand reported
  • VILLARREAL — gas, Peoples Energy Prod.-TX, L.P., Starr County, 368 thousand reported
  • FINA CONOCO FEE — gas, Fina Oil & Chemical Company, Starr County, 368 thousand reported
  • USA — gas, El Paso Production Oil & Gas Co., Starr County, 368 thousand reported
  • GARCIA, I.Y. — gas, Oryx Energy Company, Starr County, 368 thousand reported
  • SLICK, T. B. ESTATE — gas, Shell Western E&P, Starr County, 367 thousand reported
  • HINOJOSA — gas, Amax Oil & Gas Inc., Starr County, 367 thousand reported
  • SLICK, T.B. ESTATE — gas, Fina Oil & Chemical Company, Starr County, 365 thousand reported
  • MCGILL BROS. — gas, Exxon Corp., Starr County, 365 thousand reported
  • JMK #1 — gas, Star Of Texas Energy SRVS, Inc., Starr County, 364 thousand reported
  • STATE OF TEXAS — gas, Hanson Production Company, Starr County, 364 thousand reported
  • SLICK ESTATE -C- — gas, Oryx Energy Company, Starr County, 364 thousand reported
  • GUERRA, A. JR. ET AL -A- — gas, Wynn-Crosby Energy, Inc., Starr County, 363 thousand reported
  • ALVAREZ-HINOJOSA GAS UNIT — gas, Kerr-Mcgee Oil & Gas Onshore LP, Starr County, 361 thousand reported
  • CHAMPION, A. A. — gas, Kerr-Mcgee Oil & Gas Onshore LLC, Starr County, 361 thousand reported
  • SOLIS, DOLORES S., ET AL — gas, Neuhaus, V. F. Properties, Inc., Starr County, 361 thousand reported
  • BENTSEN BROS.-STATE — gas, Shell Western E&P Inc., Starr County, 361 thousand reported
  • SLICK, T. B. A-535 — gas, Texas Independent Explor., Inc., Starr County, 360 thousand reported
  • SOUTHWEST TEXAS CORP. D — gas, Bluestone Natural Res. II, LLC, Starr County, 360 thousand reported
  • BLOOMBERG — gas, Bass Enterprises Production Co., Starr County, 359 thousand reported
  • VILLARREAL — oil, Energy Development Corp., Starr County, 359 thousand reported
  • TRUSTEE #2 — gas, Star Of Texas Energy SRVS, Inc., Starr County, 359 thousand reported
  • CAMERON-STATE — gas, Dahco Operating, LLC, Starr County, 357 thousand reported
  • SW FARM & RANCH - STATE OF TX — gas, Fina Oil & Chemical Company, Starr County, 356 thousand reported
  • MULHOLLAND — gas, Rincon Petroleum Corporation, Starr County, 355 thousand reported
  • GUERRA-USA GAS UNIT "D" — gas, El Paso E & P Company, L. P., Starr County, 354 thousand reported
  • HERMANN, A.G.GAS UNIT — gas, Kerr-Mcgee Oil & Gas Onshore LP, Starr County, 354 thousand reported
  • VALLE GRANDE — gas, Milagro Exploration, LLC, Starr County, 353 thousand reported
  • HEARD — gas, Ascent Operating, LP, Starr County, 353 thousand reported
  • SAGA — gas, El Paso E & P Company, L. P., Starr County, 352 thousand reported
  • BLOOMBERG, SAMUEL D. — gas, Smith Production Inc., Starr County, 352 thousand reported
  • GARZA STATE UNIT — gas, Tri-C Resources, Inc., Starr County, 351 thousand reported
  • AL-MARTINEZ STATE #1 — gas, Legacy Corporation, The, Starr County, 351 thousand reported
  • MARGO — oil, Newgulf Petroleum, LLC, Starr County, 351 thousand reported
  • LAUREL, D. — gas, Kukui Operating Company, Starr County, 351 thousand reported
  • E. ESCOBAR GAS UNIT 1 — gas, Petro-Hunt Corporation, Starr County, 350 thousand reported
  • HEARD — gas, Milagro Exploration, LLC, Starr County, 348 thousand reported
  • FROST NATIONAL BANK -A- — gas, Kerr-Mcgee Oil & Gas Onshore LP, Starr County, 347 thousand reported
  • USA — gas, El Paso E & P Company, L. P., Starr County, 347 thousand reported
  • SLICK 539 — gas, Samson Lone Star LP, Starr County, 346 thousand reported
  • GUERRA, F.B. — gas, Kebo Oil & Gas, Inc., Starr County, 346 thousand reported
  • DE LOPEZ, C. V. -B- — gas, Kerr-Mcgee Oil & Gas Onshore LLC, Starr County, 346 thousand reported
  • USA 2 — gas, Sanchez-O'Brien Oil & Gas Corp., Starr County, 345 thousand reported
  • ZAMORA — gas, Newgulf Petroleum, LLC, Starr County, 345 thousand reported
  • MCGILL BROS. — gas, Exxon Mobil Corporation, Starr County, 344 thousand reported
  • MARGO "A" — gas, Newgulf Petroleum, LLC, Starr County, 344 thousand reported
  • SLICK, T.B. EST -A- — gas, Conoco Inc., Starr County, 344 thousand reported
  • SLICK, T. B. ESTATE — gas, Fina Oil & Chemical Company, Starr County, 344 thousand reported
  • DIAZ — gas, Touchstone Resources USA, Inc., Starr County, 343 thousand reported
  • HMC/TIE LABRISA — gas, Hanson Production Company, Starr County, 341 thousand reported
  • SEMMES TRUST, ET AL "906" — gas, Conocophillips Company, Starr County, 340 thousand reported
  • DON CAMERON ET AL G.U. — gas, Ascent Operating, LP, Starr County, 339 thousand reported
  • ALVAREZ-HINOJOSA GAS UNIT — gas, Kerr-Mcgee Oil & Gas Onshore LLC, Starr County, 339 thousand reported
  • NIMMO G.U. NO.1 — gas, Coastal Oil & Gas Corporation, Starr County, 339 thousand reported
  • WOOD/WARDNER — gas, Mortimer Exploration Company, Starr County, 336 thousand reported
  • SLICK, T. B. ESTATE — gas, Fina Oil & Chemical Company, Starr County, 335 thousand reported
  • LAS ESCOBAS — gas, Eog Resources, Inc., Starr County, 335 thousand reported
  • SLICK — gas, Royal Production Company, Inc., Starr County, 335 thousand reported
  • HERMANN, A. G. GAS UNIT — gas, Kerr-Mcgee Oil & Gas Onshore LLC, Starr County, 334 thousand reported
  • GARZA-HITCHCOCK ET AL G. U. — gas, Ascent Operating, LP, Starr County, 334 thousand reported
  • SEMMES TRUST, ET AL "906" — gas, Conocophillips Company, Starr County, 333 thousand reported
  • MCGILL BROS. — gas, Exxon Corp., Starr County, 332 thousand reported
  • DEGARCIA, B.G. — gas, Oryx Energy Company, Starr County, 332 thousand reported
  • GUERRA, F. B. — gas, Greenbrier Oper. Co., Starr County, 331 thousand reported
  • COATES-STATE, GEO. H — gas, Texas Independent Explor., Inc., Starr County, 331 thousand reported
  • STARRPRO MINERALS STATE B UNIT — gas, Legend Natural Gas III, LP, Starr County, 330 thousand reported
  • MARTINEZ B — gas, Noble Energy Inc, Starr County, 329 thousand reported
  • SHARE 180A — gas, Lynx Energy Company, Inc., Starr County, 327 thousand reported
  • MARTINEZ "B" — gas, Samedan Oil Corporation, Starr County, 326 thousand reported
  • FERGUSON, D. — gas, Peoples Energy Prod.-TX, L.P., Starr County, 326 thousand reported
  • BILLUPS — gas, Eog Resources, Inc., Starr County, 326 thousand reported
  • HEARD, J. F. B. — gas, Alpha Omega Petroleum, Inc., Starr County, 325 thousand reported
  • HEARD, J. F. B. — gas, Alpha Omega Petroleum, Inc., Starr County, 325 thousand reported
  • STATE OF TEXAS GAS UNIT #1 — gas, Fina Oil & Chemical Company, Starr County, 325 thousand reported
  • MONTALVO, N.R. — gas, Reh Energy, Inc., Starr County, 324 thousand reported
  • VILLARREAL — gas, Pitco Investments, Ltd., Starr County, 324 thousand reported
  • MARTINEZ, F. F. 546 — gas, Texas Independent Explor., Inc., Starr County, 323 thousand reported
  • DE GARCIA, B. G. — gas, Kerr-Mcgee Oil & Gas Onshore LP, Starr County, 323 thousand reported
  • SLICK, T. B. ESTATE — gas, Shell Western E&P, Starr County, 323 thousand reported
  • FROST NATIONAL BANK -A- — gas, Kerr-Mcgee Oil & Gas Onshore LLC, Starr County, 322 thousand reported
  • GARZA-RIVAS UNIT — gas, D.Y. Exploration, Inc., Starr County, 322 thousand reported
  • SLICK, T. B. ESTATE "A" — gas, Kerr-Mcgee Oil & Gas Onshore LLC, Starr County, 322 thousand reported
  • CELESTINO GARZA GU — gas, Amax Oil & Gas Inc., Starr County, 322 thousand reported
  • CAMERON GAS UNIT — gas, Ascent Energy, Inc, Starr County, 320 thousand reported
  • SLICK STATE "B" — gas, Smith Production Inc., Starr County, 320 thousand reported
  • SLICK, T. B. ESTATE — gas, Fina Oil & Chemical Company, Starr County, 320 thousand reported
  • JONES FAMILY — gas, Eog Resources, Inc., Starr County, 320 thousand reported
  • KING EDMUNDS — gas, Starco Exploration, Inc., Starr County, 319 thousand reported
  • SOUTHWEST FARM & RANCH-STATE — gas, Fina Oil & Chemical Company, Starr County, 319 thousand reported
  • ROOS BENNETT B — gas, H & P Exploration Co., Starr County, 319 thousand reported
  • MARTINEZ -B- — oil, Noble Energy Inc, Starr County, 318 thousand reported
  • SAENZ, M. -STATE- — gas, Oryx Energy Company, Starr County, 318 thousand reported
  • SILVA STATE GAS UNIT — gas, El Paso Production Oil & Gas Co., Starr County, 317 thousand reported
  • SLICK STATE "B" — gas, Edge Petroleum Oper. Co., Inc., Starr County, 316 thousand reported
  • GARCIA L&L CO. — gas, Kerr-Mcgee Oil & Gas Onshore LP, Starr County, 315 thousand reported
  • SLICK, T. B. ESTATE — gas, Oxy USA Inc., Starr County, 313 thousand reported
  • SOUTHWEST FARM & RANCH-STATE — gas, Totalfinaelf E&P USA Inc, Starr County, 311 thousand reported
  • COATES/WRIGHT UNIT — gas, Mortimer Production Company, Starr County, 311 thousand reported
  • SLICK, T. B. ESTATE B-486 — gas, Conoco Inc., Starr County, 311 thousand reported
  • GUERRA, F.B. — gas, Kebo Oil & Gas, Inc., Starr County, 310 thousand reported
  • SLICK, T. B. ESTATE — gas, Total E&P USA, Inc., Starr County, 310 thousand reported
  • THOMAS - RIFE GAS UNIT — gas, Shell Western E&P Inc., Starr County, 309 thousand reported
  • BLOCK, E. HEIRS "B" — gas, Olsen Energy Inc., Starr County, 309 thousand reported
  • MARGO — gas, Newgulf Petroleum, LLC, Starr County, 308 thousand reported
  • ALTA-GARCIA — gas, Tepee Petroleum Co., Inc., Starr County, 307 thousand reported
  • BLOOMBERG, SAMUEL D. — gas, Edge Petroleum Oper. Co., Inc., Starr County, 306 thousand reported
  • GUERRA, R. A. — gas, Peoples Energy Prod.-TX, L.P., Starr County, 306 thousand reported
  • SLICK, T. B. EST. A-527 — gas, Kerr-Mcgee Oil & Gas Onshore LLC, Starr County, 306 thousand reported
  • SLICK, T. B. ESTATE — gas, Total E&P USA, Inc., Starr County, 305 thousand reported
  • GUERRA, A. JR. ET AL -A- — gas, Wynn-Crosby Energy, Inc., Starr County, 304 thousand reported
  • WOOD "B" — gas, Transtexas Gas Corporation, Starr County, 304 thousand reported
  • REILLY HEIRS — gas, Oryx Energy Company, Starr County, 303 thousand reported
  • SLICK, T. B. ESTATE — gas, Fina Oil & Chemical Company, Starr County, 302 thousand reported
  • SLICK, T. B. ESTATE "A" — gas, Kerr-Mcgee Oil & Gas Onshore LLC, Starr County, 301 thousand reported
  • HALL, C.M. -A- — gas, Oryx Energy Company, Starr County, 301 thousand reported
  • GARCIA L&L -B- — gas, Oryx Energy Company, Starr County, 300 thousand reported
  • GARZA-HITCHCOCK ET AL UNIT — gas, Shell Western E&P Inc., Starr County, 298 thousand reported
  • HOWELL, J.J. — gas, Shell Western E&P Inc., Starr County, 298 thousand reported
  • GONZALES — gas, Newgulf Petroleum, LLC, Starr County, 297 thousand reported
  • STARR PRODUCE COMPANY — gas, Opex Energy, LLC, Starr County, 296 thousand reported
  • SLICK, T. B. ESTATE "A" — gas, Kerr-Mcgee Oil & Gas Onshore LLC, Starr County, 296 thousand reported
  • VILLARREAL — gas, Energy Development Corp., Starr County, 296 thousand reported
  • SLICK STATE "B" — gas, Edge Petroleum Oper. Co., Inc., Starr County, 296 thousand reported
  • BTLT — gas, Sheridan Production Company, LLC, Starr County, 295 thousand reported
  • SLICK, T. B. ESTATE "A" — gas, Conoco Inc., Starr County, 295 thousand reported
  • MCGILL BROS. — gas, Exxon Corp., Starr County, 295 thousand reported
  • LAUREL, D. — gas, Rand - Paulson Oil Company, Inc., Starr County, 294 thousand reported
  • GARZA-HITCHCOCK ET AL UNIT — gas, Shell Western E&P Inc., Starr County, 294 thousand reported
  • SALINAS, FAUSTO ET AL — gas, Thorp Petroleum Corporation, Starr County, 293 thousand reported
  • MCGILL BROS. — gas, Exxon Corp., Starr County, 293 thousand reported
  • ARRIAGA GU "F" — gas, Coastal Oil & Gas Corporation, Starr County, 292 thousand reported
  • DE GARCIA, B. G. — gas, Kerr-Mcgee Oil & Gas Onshore LP, Starr County, 292 thousand reported
  • MARTINEZ -B- — gas, Samedan Oil Corporation, Starr County, 292 thousand reported
  • DEGARCIA, B. G. — gas, Kerr-Mcgee Oil & Gas Onshore LP, Starr County, 291 thousand reported
  • ESQUIVEL — gas, Reveille Resources (Texas), Inc., Starr County, 291 thousand reported
  • VILLARREAL — gas, Coates Energy Trust, Starr County, 291 thousand reported
  • JUANA SALAS — gas, El Paso Production Oil & Gas Co., Starr County, 291 thousand reported
  • DE GARCIA, B. G. — gas, Kerr-Mcgee Oil & Gas Onshore LLC, Starr County, 291 thousand reported
  • WOOD "A" — gas, Transtexas Gas Corporation, Starr County, 290 thousand reported
  • HALL, J. F. STATE -A- — gas, Oryx Energy Company, Starr County, 290 thousand reported
  • DAVENPORT, O. H. HEIRS — gas, Totalfinaelf E&P USA Inc, Starr County, 290 thousand reported
  • HART ET AL — gas, Thorp Petroleum Corporation, Starr County, 290 thousand reported
  • GARZA, ROMEO — gas, Eog Resources, Inc., Starr County, 289 thousand reported
  • STATE OF TEXAS SLICK #1 — gas, Star Of Texas Energy SRVS, Inc., Starr County, 287 thousand reported
  • COATES 553 — gas, Samson Lone Star LP, Starr County, 286 thousand reported
  • SLICK, T. B. ESTATE "B" 536 — gas, Forest Oil Corporation, Starr County, 286 thousand reported
  • SLICK, T. B. ESTATE "A" — gas, Conoco Inc., Starr County, 286 thousand reported
  • MCLEAN, MARRS — gas, White Oak Operating Company LLC, Starr County, 286 thousand reported
  • HMC-TIE LA BRISA — gas, Texas Independent Explor., Inc., Starr County, 286 thousand reported
  • USA 2 — gas, Sanchez-O'Brien Oil & Gas Corp., Starr County, 284 thousand reported
  • BENTSEN BROS. "B" — gas, Shell Western E&P Inc., Starr County, 283 thousand reported
  • A. G. HERMAN GAS UNIT — gas, Oryx Energy Company, Starr County, 283 thousand reported
  • I.V. MONTALVO 'C' — gas, Killam Oil Co., Ltd., Starr County, 282 thousand reported
  • BROCK, J. D., -H- — gas, RCB Record Company, Starr County, 282 thousand reported
  • SALINAS — gas, Thorp Petroleum Corporation, Starr County, 281 thousand reported
  • SLICK, T. B. ESTATE — gas, Fina Oil & Chemical Company, Starr County, 281 thousand reported
  • GARCIA, I. Y. — gas, Kerr-Mcgee Oil & Gas Onshore LP, Starr County, 281 thousand reported
  • JONES FAMILY — gas, Bluestone Natural Res. II, LLC, Starr County, 281 thousand reported
  • REILLY HEIRS — gas, Hughes, Dan A. Company, L.P., Starr County, 281 thousand reported
  • BENTSEN, L. M. — gas, Quisto Expl. & Production, L.C., Starr County, 280 thousand reported
  • FROST NATIONAL BANK -A- — gas, Kerr-Mcgee Oil & Gas Onshore LLC, Starr County, 280 thousand reported
  • RICHMOND — gas, Smith Production Inc., Starr County, 279 thousand reported
  • GARZA - RIVAS UNIT — gas, D.Y. Exploration, Inc., Starr County, 279 thousand reported
  • DE LOPEZ, C. V. -A- — gas, Omimex Petroleum, Inc., Starr County, 277 thousand reported
  • MCGILL BROS. — gas, Exxon Corp., Starr County, 276 thousand reported
  • EDMUNDS, A.K. — gas, Starco Exploration, Inc., Starr County, 276 thousand reported
  • MAYFAIR LA BRISA — gas, Hanson Production Company, Starr County, 276 thousand reported
  • GUERRA MINERAL TRUST — gas, Eog Resources, Inc., Starr County, 276 thousand reported
  • ALVAREZ-HINOJOSA — gas, Oryx Energy Company, Starr County, 275 thousand reported
  • SLICK, T. B. ESTATE -B- — oil, Conoco Inc., Starr County, 274 thousand reported
  • STATE SLICK "D" — gas, Fina Oil & Chemical Company, Starr County, 274 thousand reported
  • LA BRISA 92 — gas, Texas Independent Explor., Inc., Starr County, 273 thousand reported
  • FARIAS UNIT — gas, Neuhaus, V. F. Properties, Inc., Starr County, 273 thousand reported
  • GONZALES — gas, Texas Independent Explor., Inc., Starr County, 272 thousand reported
  • SPEER, GEO. H. STATE -D- — gas, Killam Oil Co., Ltd., Starr County, 272 thousand reported
  • SLICK, T. B. ESTATE — gas, Shell Western E&P, Starr County, 271 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.