Oil and gas leases in Zapata County — page 16

Zapata County, Texas has 4,566 oil and gas leases with production on file at the Railroad Commission, all of them in Commission district 04. 37 of them are oil leases and 4,529 are gas leases. Between them they carry 5,021 wellbores. Reported volumes run from January 1993 to August 2026 and come to 1.7 million barrels of oil and 6.8 billion Mcf of gas. 167 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 Zapata County

How many oil and gas leases are in Zapata County?: Zapata County has 4,566 oil and gas leases with production reported to the Railroad Commission of Texas, as of August 2026.
How much oil and gas has Zapata County produced?: Leases in Zapata County have reported 1,667,230 barrels of oil (bbl) and 6,766,844,568 thousand cubic feet of gas (Mcf) to the Railroad Commission of Texas between January 1993 and August 2026.
How many operators are active in Zapata County?: 167 operators file production returns for leases in Zapata County.
How much are mineral rights in Zapata County worth?: There is no single figure: what a mineral or royalty interest in Zapata County is worth depends on the individual lease, its decline, and the share the owner holds. Each of the 4,566 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 16 of 23

RUBEN FLORES MINERALS, LTD — gas, Conocophillips Company, Zapata County, 450 thousand reported
BMT MARTIN B — gas, Conoco Inc., Zapata County, 450 thousand reported
URIBE — gas, Eagle Oil & Gas Co., Zapata County, 449 thousand reported
MARTINEZ, S. — gas, Enron Oil & Gas Company, Zapata County, 449 thousand reported
LA PERLA — gas, Transtexas Gas Corporation, Zapata County, 447 thousand reported
HAYNES, L. — gas, Pogo Producing Company LLC, Zapata County, 446 thousand reported
LEONARDO — gas, Houston Exploration Company, The, Zapata County, 445 thousand reported
GARZA, AMERICA ET AL — gas, Enron Oil & Gas Company, Zapata County, 445 thousand reported
BERNARDO GAS UNIT — gas, Transamerican Natural Gas Corp., Zapata County, 444 thousand reported
HAYNES, L. — gas, Pogo Producing Company, Zapata County, 444 thousand reported
JENNINGS RANCH C — gas, Conoco Inc., Zapata County, 443 thousand reported
LAUREL, O. M. ESTATE — gas, Chesapeake Operating, Inc., Zapata County, 443 thousand reported
ASCHE — gas, Transamerican Natural Gas Corp., Zapata County, 441 thousand reported
VELENO RANCH — gas, Dominion Expl. & Prod., Inc., Zapata County, 440 thousand reported
ABELINO — gas, Killam Oil Company, Zapata County, 440 thousand reported
ZACHRY — gas, El Paso E&P Zapata, L.P., Zapata County, 440 thousand reported
U.S.A. GAS UNIT 2 — gas, Transtexas Gas Corporation, Zapata County, 438 thousand reported
LA PERLA — gas, Transamerican Natural Gas Corp., Zapata County, 438 thousand reported
JENNINGS RANCH D — gas, Conocophillips Company, Zapata County, 438 thousand reported
VELA, SERAPIO HEIRS "B" — gas, Enron Oil & Gas Company, Zapata County, 437 thousand reported
OLD ZAPATA DEEP GAS UNIT — gas, Enron Oil & Gas Company, Zapata County, 436 thousand reported
ALEXANDER — gas, Amax Oil & Gas Inc., Zapata County, 436 thousand reported
BUSTAMANTE HEIRS — gas, Killam Oil Company, Zapata County, 436 thousand reported
JENNINGS — gas, Pennzoil Exploration & Prod. Co., Zapata County, 435 thousand reported
LA PERLA — gas, Conoco Inc., Zapata County, 435 thousand reported
LEYENDECKER, G. L. — gas, Comstock Oil & Gas, LP, Zapata County, 434 thousand reported
BENAVIDES - STATE GU — gas, Enron Oil & Gas Company, Zapata County, 433 thousand reported
ALEXANDER, M.M. NCT "B" — gas, Enron Oil & Gas Company, Zapata County, 433 thousand reported
LA SOLEDAD — gas, Legend Natural Gas II, LP, Zapata County, 432 thousand reported
VIDAURRI STATE GAS UNIT #1 — gas, Chevron U. S. A. Inc., Zapata County, 432 thousand reported
HAYNES MINERAL TRUST — gas, Transamerican Natural Gas Corp., Zapata County, 432 thousand reported
MCASKILL — gas, Transamerican Natural Gas Corp., Zapata County, 431 thousand reported
RMT C — gas, Chesapeake Operating, Inc., Zapata County, 430 thousand reported
HAYNES — gas, Devon Energy Production Co, L.P., Zapata County, 430 thousand reported
LOPENO "B" — gas, Bridge Oil Production Co., Inc., Zapata County, 428 thousand reported
M.L.E.I., MARSHALL, S. G. — gas, Chevron U. S. A. Inc., Zapata County, 428 thousand reported
GUTIERREZ, E. E. — gas, Houston Exploration Company, The, Zapata County, 428 thousand reported
VELA-CUELLAR, J. — gas, Chesapeake Operating, Inc., Zapata County, 428 thousand reported
HAYNES, L. — gas, Pogo Producing Company, Zapata County, 427 thousand reported
THOMASMA, RAY J. — gas, Devon Energy Production Co, L.P., Zapata County, 426 thousand reported
VELA, J. M. — gas, Chevron U. S. A. Inc., Zapata County, 425 thousand reported
3J ZAPATA RANCHES — gas, Newfield Exploration Company, Zapata County, 424 thousand reported
MARSHALL S. G. — gas, Chevron U. S. A. Inc., Zapata County, 424 thousand reported
RAMIREZ, JOSE EST. E — gas, Dominion Expl. & Prod., Inc., Zapata County, 424 thousand reported
RANCHO NUEVO — gas, Transtexas Gas Corporation, Zapata County, 423 thousand reported
TREVINO, ALBERT — gas, Pennzenergy Exp. & Prod., L.L.C., Zapata County, 423 thousand reported
ROMERO VASQUEZ — gas, Chesapeake Operating, Inc., Zapata County, 423 thousand reported
NEEL, BESS M. — gas, Kerr-Mcgee Corporation, Zapata County, 422 thousand reported
BRUNI RANCH — gas, Conoco Inc., Zapata County, 422 thousand reported
SMITH, A.H. — gas, Pioneer Resources Producing, L.P, Zapata County, 421 thousand reported
LA PERLA — gas, Transamerican Natural Gas Corp., Zapata County, 421 thousand reported
MARTINEZ, M. — gas, Enron Oil & Gas Company, Zapata County, 420 thousand reported
VELA, J.M. — gas, Chevron U. S. A. Inc., Zapata County, 420 thousand reported
ALEXANDER, M. M. — gas, Enron Oil & Gas Company, Zapata County, 420 thousand reported
SALINAS — gas, Newfield Exploration Company, Zapata County, 420 thousand reported
BRUNI MINERAL TRUST — gas, Michael Petroleum Corporation, Zapata County, 420 thousand reported
VASQUEZ, ROMERO J. — gas, Chesapeake Operating, Inc., Zapata County, 419 thousand reported
LA PERLA — gas, Transamerican Natural Gas Corp., Zapata County, 419 thousand reported
JACOBA — gas, Transamerican Natural Gas Corp., Zapata County, 419 thousand reported
ASCHE — gas, Houston Exploration Company, The, Zapata County, 418 thousand reported
BRUNI MINERAL TRUST 15 — gas, Killam Oil Co., Ltd., Zapata County, 418 thousand reported
YZAGUIRRE-LEO GAS UNIT — gas, Transamerican Natural Gas Corp., Zapata County, 417 thousand reported
HAYNES, L. — gas, Amerada Hess Corporation, Zapata County, 417 thousand reported
BRUNI RANCH — gas, Conocophillips Company, Zapata County, 417 thousand reported
JUANA — gas, Transamerican Natural Gas Corp., Zapata County, 417 thousand reported
GARCIA, SALVADOR "E" — gas, Enron Oil & Gas Company, Zapata County, 416 thousand reported
JENNINGS RANCH D — gas, Conoco Inc., Zapata County, 416 thousand reported
HAYNES, L. — gas, Pogo Producing Company, Zapata County, 416 thousand reported
GUTIERREZ, HIGINIO JR. — gas, Eog Resources, Inc., Zapata County, 415 thousand reported
BRUNI RANCH — gas, Conoco Inc., Zapata County, 414 thousand reported
BENAVIDES, B.R. "A" — gas, Transamerican Natural Gas Corp., Zapata County, 414 thousand reported
ASCHE — gas, Houston Exploration Company, The, Zapata County, 414 thousand reported
RAMIREZ — gas, Conocophillips Company, Zapata County, 413 thousand reported
SINGER B — gas, Chesapeake Operating, Inc., Zapata County, 412 thousand reported
FULBRIGHT, J. E. "G" — gas, Hughes, Dan A. Company, L.P., Zapata County, 412 thousand reported
PEREZ, F. R. — gas, Transtexas Gas Corporation, Zapata County, 412 thousand reported
VELA-CUELLAR, J. GAS UNIT — gas, Chesapeake Operating, Inc., Zapata County, 412 thousand reported
HAYNES MINERAL TRUST — gas, Forest Oil Corporation, Zapata County, 411 thousand reported
LAS AVISPAS — gas, Chesapeake Operating, Inc., Zapata County, 411 thousand reported
GUTIERREZ, J.M. — gas, S M K Energy Corporation, Zapata County, 411 thousand reported
HAYNES — gas, Devon Energy Production Co, L.P., Zapata County, 410 thousand reported
LA PERLA — gas, Conoco Inc., Zapata County, 410 thousand reported
GUERRA — gas, Transtexas Gas Corporation, Zapata County, 408 thousand reported
CANALES — gas, Transtexas Gas Corporation, Zapata County, 408 thousand reported
HAYNES "B" — gas, Transamerican Natural Gas Corp., Zapata County, 406 thousand reported
LAUREL MINERAL ESTATE — gas, Conocophillips Company, Zapata County, 406 thousand reported
VELA, J.M. — gas, Chevron U. S. A. Inc., Zapata County, 405 thousand reported
MECOM, J. W. — gas, Coastal Oil & Gas Corporation, Zapata County, 405 thousand reported
ELIZONDO ET AL — gas, El Paso E & P Company, L. P., Zapata County, 404 thousand reported
HAYNES, L. — gas, North Central Oil Corp., Zapata County, 404 thousand reported
MARTINEZ, S "B" — gas, Eog Resources, Inc., Zapata County, 404 thousand reported
HAYNES MINERAL TRUST — gas, Transamerican Natural Gas Corp., Zapata County, 401 thousand reported
JUANA — gas, Houston Exploration Company, The, Zapata County, 401 thousand reported
EL EBANITO — gas, Legend Natural Gas II, LP, Zapata County, 401 thousand reported
SALINAS — gas, Acock Operating Limited, Zapata County, 401 thousand reported
VELA — gas, Chesapeake Operating, Inc., Zapata County, 399 thousand reported
FLORES, L.G. — gas, Forest Oil Corporation, Zapata County, 398 thousand reported
GUERRA "L" — gas, Peoples Energy Prod.-TX, L.P., Zapata County, 397 thousand reported
HAYNES, L. — gas, North Central Oil Corp., Zapata County, 397 thousand reported
GUTIERREZ HEIRS — gas, Enron Oil & Gas Company, Zapata County, 397 thousand reported
TREVINO — gas, Transamerican Natural Gas Corp., Zapata County, 397 thousand reported
LEONARDO — gas, Houston Exploration Company, The, Zapata County, 397 thousand reported
HAYNES MINERAL TRUST — gas, Houston Exploration Company, The, Zapata County, 397 thousand reported
LAS PALOMAS — gas, Conocophillips Company, Zapata County, 397 thousand reported
FLORES, L. G. — gas, Transtexas Gas Corporation, Zapata County, 397 thousand reported
JENNINGS RANCH D — gas, Conocophillips Company, Zapata County, 396 thousand reported
ASCHE — gas, Houston Exploration Company, The, Zapata County, 394 thousand reported
YZAGUIRRE, J. — gas, KCS Resources, Inc., Zapata County, 394 thousand reported
PALMRYA — gas, El Paso Production Oil & Gas Co., Zapata County, 393 thousand reported
ZACHRY, E.B. — gas, Mobil Producing TX. & N.M. Inc., Zapata County, 392 thousand reported
ASCHE — gas, Houston Exploration Company, The, Zapata County, 392 thousand reported
MECOM, J. W. — gas, Coastal Oil & Gas Corporation, Zapata County, 392 thousand reported
JENNINGS — gas, Pennzoil Exploration & Prod. Co., Zapata County, 392 thousand reported
VIELMANN — gas, Chesapeake Operating, Inc., Zapata County, 390 thousand reported
OCTAVIO SALINAS GAS UNIT — gas, Sonat Exploration Co. - Houston, Zapata County, 389 thousand reported
FERNANDO MUNOZ GAS UNIT — gas, Dominion Expl. & Prod., Inc., Zapata County, 389 thousand reported
MEZA — gas, Ricochet Energy, Inc., Zapata County, 388 thousand reported
MUNOZ — gas, Houston Exploration Company, The, Zapata County, 388 thousand reported
YZAQUIRRE, J. — gas, Enercorp Resources, Inc., Zapata County, 387 thousand reported
LAS PRESAS-GARCIA "A" — gas, Paloma Resources, LLC, Zapata County, 387 thousand reported
LOPENO "D" — gas, Bridge Oil Production Co., Inc., Zapata County, 386 thousand reported
MECOM, J. W. — gas, Coastal Oil & Gas Corporation, Zapata County, 386 thousand reported
HAYNES — gas, Devon Energy Production Co, L.P., Zapata County, 385 thousand reported
DELOZEIS FAMILY TRUST — gas, Chesapeake Operating, Inc., Zapata County, 384 thousand reported
URIBE, S. — gas, Chevron U. S. A. Inc., Zapata County, 384 thousand reported
MECOM, J. W. — gas, United Resources, LP, Zapata County, 383 thousand reported
SLATOR RANCH S — gas, Eog Resources, Inc., Zapata County, 383 thousand reported
MCMURREY, WM. — gas, Transamerican Natural Gas Corp., Zapata County, 382 thousand reported
J. VELA CUELLAR G. U. B — gas, Chesapeake Operating, Inc., Zapata County, 382 thousand reported
TALBERT "A" — gas, El Paso E&P Zapata, L.P., Zapata County, 381 thousand reported
BERNARDO GAS UNIT — gas, Transamerican Natural Gas Corp., Zapata County, 380 thousand reported
ELLIS — gas, Conoco Inc., Zapata County, 380 thousand reported
HAYNES — gas, Devon Energy Production Co, L.P., Zapata County, 379 thousand reported
SAN FERNANDO — gas, Laredo Energy, Zapata County, 378 thousand reported
SANCHEZ-MCMURREY — gas, Conoco Inc., Zapata County, 377 thousand reported
TREVINO, J.B. ESTATE -A- — gas, Bridge Oil Production Co., Inc., Zapata County, 376 thousand reported
LOPENO "E" — gas, Bridge Oil Production Co., Inc., Zapata County, 376 thousand reported
VELA, HUMBERTO JR — gas, Continental Operating Co., Zapata County, 376 thousand reported
HAYNES, L. — gas, Pogo Producing Company, Zapata County, 375 thousand reported
JENNINGS RANCH D — gas, Conocophillips Company, Zapata County, 375 thousand reported
RAMIREZ, MARIA V. — gas, Transtexas Gas Corporation, Zapata County, 374 thousand reported
LAUREL, S. L. — gas, Coastal Oil & Gas Corporation, Zapata County, 373 thousand reported
THOMASMA, RAY J. — gas, Devon Energy Production Co, L.P., Zapata County, 372 thousand reported
HERBST, M.V. — gas, Transamerican Natural Gas Corp., Zapata County, 372 thousand reported
HINNANT HEIRS — gas, Killam Oil Co., Ltd., Zapata County, 371 thousand reported
LAS PRESAS-GARCIA "A" — gas, Paloma Resources, LLC, Zapata County, 371 thousand reported
MARTIN, J. C. — gas, Transamerican Natural Gas Corp., Zapata County, 370 thousand reported
BRUNI MINERAL TRUST — gas, Michael Petroleum Corporation, Zapata County, 369 thousand reported
GARCIA, SALVADOR — gas, Conoco Inc., Zapata County, 368 thousand reported
M.L.E.I., MARSHALL, S. G. — gas, Chevron U. S. A. Inc., Zapata County, 368 thousand reported
VIDAURRI, R. — gas, Chevron U. S. A. Inc., Zapata County, 367 thousand reported
URIBE, S. — gas, Chevron U. S. A. Inc., Zapata County, 367 thousand reported
VASQUEZ-PENA-HAYNES — gas, Chesapeake Operating, Inc., Zapata County, 367 thousand reported
EL EBANITO — gas, Legend Natural Gas II, LP, Zapata County, 367 thousand reported
GUERRA, AVELINA — gas, Pioneer Natural Res. USA, Inc., Zapata County, 367 thousand reported
DELOZEIS "A" — gas, Forest Oil Permian Corporation, Zapata County, 366 thousand reported
MARCELA DE LOS SANTOS "A" — gas, S M K Energy Corporation, Zapata County, 366 thousand reported
BENAVIDES "A" — gas, El Paso E&P Zapata, L.P., Zapata County, 365 thousand reported
VELA, L. E. — gas, Killam Oil Company, Zapata County, 363 thousand reported
MECOM, J. W. — gas, Westport Oil And Gas Company, LP, Zapata County, 362 thousand reported
SANCHEZ-MARTIN GAS UNIT 2 — gas, Transamerican Natural Gas Corp., Zapata County, 361 thousand reported
GUERRA, RAUL — gas, Pioneer Natural Res. USA, Inc., Zapata County, 361 thousand reported
FLORES, L. G. — gas, Forest Oil Corporation, Zapata County, 360 thousand reported
HAYNES — gas, Pennzoil Exploration & Prod. Co., Zapata County, 360 thousand reported
YZAGUIRRE, J. — gas, KCS Resources, Inc., Zapata County, 360 thousand reported
MUZZA, G. P. — gas, Shell Western E&P, Zapata County, 360 thousand reported
GARZA, L. "4" — gas, Transamerican Natural Gas Corp., Zapata County, 359 thousand reported
RAMIREZ, J. EST. — gas, Pioneer Natural Res. USA, Inc., Zapata County, 359 thousand reported
HAYNES MINERAL TRUST — gas, Transamerican Natural Gas Corp., Zapata County, 358 thousand reported
VELENO — gas, Chesapeake Operating, Inc., Zapata County, 357 thousand reported
SLATOR RANCH — gas, Wagner Oil Company, Zapata County, 356 thousand reported
JENNINGS — gas, Pennzoil Exploration & Prod. Co., Zapata County, 356 thousand reported
LOPEZ MINERAL TRUST G.U. — gas, Tesoro E&P Company, L.P., Zapata County, 355 thousand reported
PORRAS GAS UNIT — gas, Houston Exploration Company, The, Zapata County, 355 thousand reported
DE LOS SANTOS GAS UNIT 1 — gas, Forest Oil Corporation, Zapata County, 354 thousand reported
LOPENO "B" — gas, Bridge Oil Production Co., Inc., Zapata County, 354 thousand reported
JUANA "A" — gas, Houston Exploration Company, The, Zapata County, 353 thousand reported
JENNINGS, J. D. — gas, S M K Energy Corporation, Zapata County, 353 thousand reported
MARSHALL, S.G. — gas, Enron Oil & Gas Company, Zapata County, 352 thousand reported
RAMIREZ-YZAGUIRRE GAS UNIT — gas, Transtexas Gas Corporation, Zapata County, 352 thousand reported
JENNINGS RANCH C — gas, Conocophillips Company, Zapata County, 351 thousand reported
CASSIN, EDWARD — gas, Conocophillips Company, Zapata County, 351 thousand reported
BMT-MARTIN A — gas, Conoco Inc., Zapata County, 350 thousand reported
HAYNES ESTATE — gas, Arete Operating Company, LLC, Zapata County, 350 thousand reported
TREVINO — gas, Conoco Inc., Zapata County, 348 thousand reported
DE MARTINEZ - URIBE GAS UNIT — gas, Chevron U. S. A. Inc., Zapata County, 348 thousand reported
FERNANDO MUNOZ — gas, Midpar L.P., Zapata County, 348 thousand reported
EL CLARENO — gas, El Paso E&P Zapata, L.P., Zapata County, 348 thousand reported
MARTINEZ, IMELDA — gas, Conocophillips Company, Zapata County, 348 thousand reported
AVELINO GUERRA GAS UNIT NO.2 — gas, Dominion Expl. & Prod., Inc., Zapata County, 347 thousand reported
ASCHE — gas, Houston Exploration Company, The, Zapata County, 347 thousand reported
EL CLARENO — gas, El Paso E&P Zapata, L.P., Zapata County, 346 thousand reported
ASCHE — gas, Houston Exploration Company, The, Zapata County, 346 thousand reported
HAYNES, L. — gas, North Central Oil Corp., Zapata County, 346 thousand reported
MECOM, J. W. — gas, Westport Oil And Gas Company, LP, Zapata County, 346 thousand reported
SERAFIN — gas, Samson Lone Star LP, Zapata County, 346 thousand reported
PEREZ, F. R. — gas, Transtexas Gas Corporation, Zapata County, 345 thousand reported
HAYNES — gas, Pennzoil Exploration & Prod. Co., Zapata County, 345 thousand reported
BENAVIDES TRUST — gas, Pogo Producing Company, Zapata County, 345 thousand reported
HAYNES MINERAL TRUST — gas, Transamerican Natural Gas Corp., Zapata County, 345 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.