Oil and gas leases in Starr County — page 17

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 17 of 17

SALINAS, M. V. — oil, Falcon Production Co., Starr County, 383 reported
SLICK, T. B. ESTATE — gas, Fina Oil & Chemical Company, Starr County, 374 reported
FINA CONOCO FEE — gas, Fina Oil & Chemical Company, Starr County, 367 reported
MONTALVO HEIRS 'B' — oil, Killam Oil Co., Ltd., Starr County, 356 reported
SALINAS, M. V., ETAL — oil, Falcon Production Co., Starr County, 349 reported
GUZMAN — oil, Strata Operating, Inc., Starr County, 341 reported
WRIGHT BROTHERS/DOYNO — oil, Falcon Production Co., Starr County, 340 reported
WARDNER TRUSTEE — oil, Falcon Production Co., Starr County, 338 reported
MONTALVO, N. R. — gas, Kerr-Mcgee Oil & Gas Onshore LP, Starr County, 337 reported
YTURRIA L&L CO. -B- — gas, Oryx Energy Company, Starr County, 327 reported
GARCIA-WENTZ — oil, Alvarez & Alvarez, Starr County, 325 reported
WARDNER, G. P. TRUSTEE -C- — oil, Falcon Production Co., Starr County, 320 reported
WARDNER, G. P., TRUSTEE -C- — oil, Falcon Production Co., Starr County, 318 reported
WOOD, D. G., SR. -C- — oil, Falcon Production Co., Starr County, 312 reported
SALINAS, M. V. — oil, Falcon Production Co., Starr County, 312 reported
SAENZ, M. -STATE — gas, Oryx Energy Company, Starr County, 311 reported
WARDNER, G. P., TRUSTEE -C- — oil, Falcon Production Co., Starr County, 309 reported
SPEER, GEO. H. — gas, Oryx Energy Company, Starr County, 307 reported
LA BRISA RANCH / STATE 542 — gas, Trap Rock Oil, Ltd., Starr County, 306 reported
WOOD, D. G., SR. -A- — oil, Falcon Production Co., Starr County, 306 reported
ZACHRY, H. B., ETAL — oil, Alvarez & Alvarez, Starr County, 303 reported
CHAPOTAL LAND CO. -A- — oil, Oryx Energy Company, Starr County, 302 reported
SANCHEZ, Y. — gas, M & S Production Company, Starr County, 300 reported
WOOD, D. G., SR. — oil, Sarrita Oil Co., Inc., Starr County, 297 reported
ECHOLS — gas, White Oak Operating Company LLC, Starr County, 292 reported
GROOS NATIONAL BANK — gas, Wagner, Duer & Co., Starr County, 291 reported
GUERRA, H. D., ETAL — oil, Poor Boy Oilfield Service, Starr County, 290 reported
LA BRISA RANCH — oil, Carrizo Oil & Gas, Inc., Starr County, 290 reported
ORIVE, A. — gas, Oryx Energy Company, Starr County, 286 reported
WOOD, D. G., SR., -C- — oil, Falcon Production Co., Starr County, 283 reported
WOOD, D. G., SR. -A- — oil, Falcon Production Co., Starr County, 281 reported
GREINER — oil, Mueller Engineering Corp., Starr County, 271 reported
RAMIREZ — gas, Mcdonald & Johnson Resources,LLC, Starr County, 270 reported
WOOD, D. G. -C- — oil, Falcon Production Co., Starr County, 270 reported
LA BRISA LAND & CATTLE CO. — oil, Jenkins, Winston, Starr County, 264 reported
WARDNER TRUSTEE — oil, Falcon Production Co., Starr County, 255 reported
REYNA, N., ETAL — oil, Alvarez & Alvarez, Starr County, 251 reported
WOOD, D. G. SR. — oil, Sarrita Oil Co., Inc., Starr County, 249 reported
LMB CORP STATE — gas, Alyndson Oil & Gas Inc., Starr County, 243 reported
WRIGHT — gas, Mortimer Production Company, Starr County, 241 reported
DAVIS, IDA, ESTATE — oil, M & S Production Company, Starr County, 238 reported
BAIRD, LILLIE MAE — oil, J. & M. Well Service, Inc., Starr County, 227 reported
SAMANO — gas, Smith Production Inc., Starr County, 223 reported
FLORES UNIT — oil, Merit Energy Company, Starr County, 216 reported
BLOOMBERG, SAMUEL D. — gas, Apache Corporation, Starr County, 214 reported
RODRIQUEZ, T. — oil, Falcon Production Co., Starr County, 213 reported
PARKS, W. S., ET AL — gas, J. & M. Well Service, Inc., Starr County, 204 reported
MCKINNEY, MRS. A. — gas, Oryx Energy Company, Starr County, 201 reported
MARGO "A" — oil, Newgulf Petroleum, LLC, Starr County, 200 reported
A. G. HERMANN GAS UNIT — gas, Kerr-Mcgee Oil & Gas Onshore LLC, Starr County, 199 reported
LA BRISA LAND & CATTLE CO. — oil, Poor Boy Oilfield Service, Starr County, 183 reported
MONTALVO, I. V., -C- — gas, Oryx Energy Company, Starr County, 171 reported
SPEER, GEORGE H. — gas, Oryx Energy Company, Starr County, 161 reported
SPEER, GEO. H. ST. "B" — oil, Kerr-Mcgee Oil & Gas Onshore LLC, Starr County, 155 reported
YTURRIA L&L — gas, Merit Energy Company, Starr County, 146 reported
MARTINEZ -B- — oil, Samedan Oil Corporation, Starr County, 122 reported
NIMMO UNIT — gas, Neuhaus, V. F. Properties, Inc., Starr County, 119 reported
LMB-STATE — oil, Cimarron Engineering Corp., Starr County, 115 reported
LA BRISA RANCH PARTNERS 91 — gas, Trap Rock Oil, Ltd., Starr County, 96 reported
SEABURY,F.W. EST. OF — gas, J. & M. Well Service, Inc., Starr County, 93 reported
ALVAREZ, CORNELIO — oil, Alvarez & Alvarez, Starr County, 92 reported
CAMERON, W.I. SEC. 138 — gas, Conoco Inc., Starr County, 89 reported
MARTINEZ B — oil, Noble Energy Inc, Starr County, 79 reported
RANGER — oil, Scorpion Operating, Inc., Starr County, 76 reported
HALL, J. F. STATE -A- — gas, Oryx Energy Company, Starr County, 74 reported
CHAPOTAL LAND CO. -A- — gas, Kerr-Mcgee Oil & Gas Onshore LP, Starr County, 69 reported
GARZA, D. L. "A" — oil, Cummins & Walker Oil Co., Inc., Starr County, 67 reported
DE GARZA, J. M. — oil, Southwest Oil & Land, Inc., Starr County, 48 reported
GARCIA L & L -C- — gas, Starco Exploration, Inc., Starr County, 44 reported
MARTINEZ — oil, BPL Exploration, Ltd., Starr County, 33 reported
RODRIQUEZ — gas, Wagner, Duer & Co., Starr County, 31 reported
LOPEZ GAS UNIT 1 — gas, Comstock Oil & Gas, LP, Starr County, 25 reported
DE FLORES, M. S. — gas, Wagner Oil Company, Starr County, 24 reported
SEMMES-WALLER — gas, Carrizo Oil & Gas, Inc., Starr County, 20 reported
MCGILL BROS. — oil, Exxon Corp., Starr County, 20 reported
GONZALES, L., SHARE 20 — oil, Texaco E & P Inc., Starr County, 14 reported
MONTALVO, N.R. — gas, Exxon Corp., Starr County, 13 reported
LOPEZ, C. V. DE -A- — oil, Omimex Petroleum, Inc., Starr County, 12 reported
PENA, S. G. — oil, D.Y. Exploration, Inc., Starr County, 10 reported
LA BRISA RANCH 913 — oil, J. & M. Well Service, Inc., Starr County, 8 reported
PARKS, W. S. ETAL — oil, J. & M. Well Service, Inc., Starr County, 7 reported
GREEN & MANNING GU-2 — oil, J. & M. Well Service, Inc., Starr County, 6 reported
OLIVAREZ, MIGUEL — oil, Energy Development Corp., Starr County, 5 reported
LYONS, HELEN W. — oil, J. & M. Well Service, Inc., Starr County, 3 reported
CHAPOTAL LAND CO. -A- — gas, Kerr-Mcgee Oil & Gas Onshore LLC, Starr County, 1 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.