Oil and gas leases in Zapata County — page 23

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 23 of 23

GARCIA, GEORGE — gas, Conocophillips Company, Zapata County, 8 thousand reported
VASQUEZ-SHARP-ANDERS GAS UNIT — gas, Bellwether Exploration Company, Zapata County, 8 thousand reported
DECARREON, G. G. — gas, Pogo Producing Company, Zapata County, 8 thousand reported
HAYNES — gas, Forest Oil Corporation, Zapata County, 8 thousand reported
RAMIREZ, JULIAN R., EST. — oil, Ray JR. Co., Inc., Zapata County, 8 thousand reported
GARZA, A. — gas, Houston Exploration Company, The, Zapata County, 8 thousand reported
SANCHEZ-MCMURREY — gas, North Central Oil Corp., Zapata County, 8 thousand reported
JENNINGS, J.D. — gas, Peoples Energy Prod.-TX, L.P., Zapata County, 8 thousand reported
BENAVIDES MINERAL TRUST — gas, Enron Oil & Gas Company, Zapata County, 8 thousand reported
VELA, CONSUELO G. — gas, Enron Oil & Gas Company, Zapata County, 8 thousand reported
CUELLAR, FERNANDO — oil, Pennzoil Exploration & Prod. Co., Zapata County, 8 thousand reported
BARROCITO, B. M. — gas, Eog Resources, Inc., Zapata County, 8 thousand reported
VELA, L. G. — gas, Chesapeake Operating, Inc., Zapata County, 8 thousand reported
LA PERLA — gas, Conocophillips Company, Zapata County, 8 thousand reported
TREVINO — gas, Hilcorp Energy Company, Zapata County, 8 thousand reported
FLORES, L.G. — gas, Houston Exploration Company, The, Zapata County, 7 thousand reported
BRUNI MINERAL TRUST — gas, Killam Oil Company, Zapata County, 7 thousand reported
MUNOZ, FERNANDO — gas, Dominion Expl. & Prod., Inc., Zapata County, 7 thousand reported
YZAGUIRRE DE LOS SANTOS, F. — gas, Enercorp Resources, Inc., Zapata County, 7 thousand reported
HAYNES, L. — gas, North Central Oil Corp., Zapata County, 7 thousand reported
FULBRIGHT, J. E. — gas, Killam Oil Company, Zapata County, 7 thousand reported
VIDAURRI GAS UNIT — gas, Transamerican Natural Gas Corp., Zapata County, 7 thousand reported
LAS PALOMAS — gas, Conocophillips Company, Zapata County, 7 thousand reported
GARZA, A. — gas, Houston Exploration Company, The, Zapata County, 7 thousand reported
BRAVO UNIT — gas, Union Pacific Resources Company, Zapata County, 7 thousand reported
VELA, L. G. — gas, Eex E&P Company, L.P., Zapata County, 6 thousand reported
MCCAMPBELL, E. A. — gas, Altalay STX LLC, Zapata County, 6 thousand reported
SLATOR RANCH — gas, Wagner Oil Company, Zapata County, 6 thousand reported
GARCIA, SALVADOR "G" — gas, Mohican Operating, L.L.C., Zapata County, 6 thousand reported
MARTINEZ,L. — gas, Enron Oil & Gas Company, Zapata County, 6 thousand reported
HAYNES MINERAL TRUST — gas, Forest Oil Corporation, Zapata County, 6 thousand reported
JENNINGS RANCH A — gas, Conoco Inc., Zapata County, 6 thousand reported
LOPENO "F" — gas, Bridge Oil Production Co., Inc., Zapata County, 6 thousand reported
DECARREON, G. G. — gas, Pogo Producing Company, Zapata County, 6 thousand reported
RAMIREZ, M. R. — gas, Dominion Expl. & Prod., Inc., Zapata County, 6 thousand reported
CHARGOS CREEK "A" — oil, Ridgeline Energy Inc., Zapata County, 6 thousand reported
JOHNSON, MARY M. TRUST — gas, El Paso E&P Zapata, L.P., Zapata County, 6 thousand reported
VELA, J. M. — gas, Chevron U. S. A. Inc., Zapata County, 6 thousand reported
JENNINGS — gas, S M K Energy Corporation, Zapata County, 6 thousand reported
WELCH, ROBERT A. FOUNDATION — gas, Altalay STX LLC, Zapata County, 6 thousand reported
LA PERLA — gas, Conoco Inc., Zapata County, 6 thousand reported
RAMIREZ, L. O. A — gas, Conoco Inc., Zapata County, 6 thousand reported
MCCANN, CATALINA L. — gas, Enron Oil & Gas Company, Zapata County, 6 thousand reported
MARSHALL, S.G. — gas, Enron Oil & Gas Company, Zapata County, 6 thousand reported
JENNINGS — gas, S M K Energy Corporation, Zapata County, 6 thousand reported
CASSIN, EDWARD A — gas, Hilcorp Energy Company, Zapata County, 6 thousand reported
GUTIERREZ "C" — gas, Howard Exploration, Inc., Zapata County, 6 thousand reported
LA PERLA — gas, Transamerican Natural Gas Corp., Zapata County, 5 thousand reported
TREVINO, E. MRS. -B- — oil, Mcrae, Nathan Rathburn, Zapata County, 5 thousand reported
CUELLAR, FERNANDO EST. — gas, Transtexas Gas Corporation, Zapata County, 5 thousand reported
CUELLAR,F. "A" LEASE — oil, Zapata Oil Partners, L.L.C., Zapata County, 5 thousand reported
HAYNES, L. — gas, North Central Oil Corp., Zapata County, 5 thousand reported
GARCIA, GEORGE — gas, Acock Operating Limited, Zapata County, 5 thousand reported
GARZA, A. — gas, Houston Exploration Company, The, Zapata County, 5 thousand reported
TREVINO "B" — gas, Coronado Energy E&P Company, LLC, Zapata County, 5 thousand reported
RAMIREZ, M.R. — gas, BPL Exploration, Ltd., Zapata County, 5 thousand reported
VASQUEZ-URIBE "A" GAS UNIT — gas, Chesapeake Operating, Inc., Zapata County, 5 thousand reported
MARTINEZ, RAUL — gas, Pintail Production Co., Inc., Zapata County, 5 thousand reported
JENNINGS RANCH C — gas, Conoco Inc., Zapata County, 5 thousand reported
CUELLAR, F — gas, Newman Operating Company, Zapata County, 5 thousand reported
TREVINO -A- — oil, Mcrae, Nathan Rathburn, Zapata County, 5 thousand reported
GARZA, L. "B" 1-C — gas, Transamerican Natural Gas Corp., Zapata County, 5 thousand reported
GONART INVESTMENTS ET AL — gas, Laredo Energy, Zapata County, 5 thousand reported
SAN FERNANDO — gas, El Paso E&P Zapata, L.P., Zapata County, 5 thousand reported
JENNINGS, J. D. — gas, Peoples Energy Prod.-TX, L.P., Zapata County, 4 thousand reported
BRUNI MIN. TRUST — oil, Killam Oil Company, Zapata County, 4 thousand reported
JENNINGS RANCH C — gas, Conoco Inc., Zapata County, 4 thousand reported
MORGENSTERN — gas, Eog Resources, Inc., Zapata County, 4 thousand reported
BARBERIO — gas, El Paso E&P Zapata, L.P., Zapata County, 4 thousand reported
HAYNES-EAST — gas, Pennzoil Exploration & Prod. Co., Zapata County, 4 thousand reported
DE BARBERIO — gas, Enron Oil & Gas Company, Zapata County, 4 thousand reported
LAUREL, SERGIO — gas, Enron Oil & Gas Company, Zapata County, 4 thousand reported
VELA, L. G. — gas, Tesoro E&P Company, L.P., Zapata County, 4 thousand reported
FLORES, E. — gas, Newman Operating Company, Zapata County, 4 thousand reported
RAMIREZ, JULIAN R., EST. -A- — oil, Ray JR. Co., Inc., Zapata County, 4 thousand reported
GARZA — gas, Columbus Energy Corp., Zapata County, 3 thousand reported
SLATOR RANCH — gas, Fina Oil & Chemical Company, Zapata County, 3 thousand reported
TREVINO, E — oil, Mcrae, Nathan Rathburn, Zapata County, 3 thousand reported
ZACHRY, E.B. — gas, Mobil Producing TX. & N.M. Inc., Zapata County, 3 thousand reported
DAISY — gas, Forest Oil Corporation, Zapata County, 3 thousand reported
YZAGUIRRE, J — gas, KCS Resources, Inc., Zapata County, 3 thousand reported
CORRAL QUEMADO RANCH — gas, Enron Oil & Gas Company, Zapata County, 3 thousand reported
FROST NATIONAL BANK — gas, Elliott Oil & Gas Operating Co., Zapata County, 3 thousand reported
VAQUILLAS RANCH LTD — gas, Fina Oil & Chemical Company, Zapata County, 3 thousand reported
ZACHRY, H.B. FEE — gas, Zachry, H. B. Company, Zapata County, 3 thousand reported
VELA "B" — gas, Bridge Oil Production Co., Inc., Zapata County, 3 thousand reported
CATALINA L. MCCANN — gas, Hilcorp Energy Company, Zapata County, 3 thousand reported
MUNOZ — gas, Houston Exploration Company, The, Zapata County, 3 thousand reported
GARZA, LAURO — gas, Pennzoil Exploration & Prod. Co., Zapata County, 2 thousand reported
LA PERLA — gas, Transamerican Natural Gas Corp., Zapata County, 2 thousand reported
VILLARREAL — gas, Newfield Exploration Company, Zapata County, 2 thousand reported
BRUNI RANCH — gas, Conoco Inc., Zapata County, 2 thousand reported
WORLEY — gas, Wagner & Brown, Ltd., Zapata County, 2 thousand reported
J. D. JENNINGS — oil, Kovar Operating, LLC, Zapata County, 2 thousand reported
J. E. FULBRIGHT 'G' — gas, Hughes, Dan A. Company, L.P., Zapata County, 2 thousand reported
GUERRA, AVELINO — gas, Midpar L.P., Zapata County, 2 thousand reported
GUERRA, RAUL — gas, Dominion Expl. & Prod., Inc., Zapata County, 2 thousand reported
HINOJOSA, G.G. — gas, Shell Western E&P Inc., Zapata County, 2 thousand reported
DE CARREON, G. G. — gas, Conoco Inc., Zapata County, 2 thousand reported
J.O.D. — gas, Transamerican Natural Gas Corp., Zapata County, 2 thousand reported
JENNINGS, J. D. — oil, S M K Energy Corporation, Zapata County, 2 thousand reported
MUNOZ — gas, Houston Exploration Company, The, Zapata County, 1 thousand reported
YZAGUIRRE, J — gas, KCS Resources, Inc., Zapata County, 1 thousand reported
MUNOZ, FERNANDO — gas, Dominion Expl. & Prod., Inc., Zapata County, 1 thousand reported
HAYNES — gas, Devon Energy Production Co, L.P., Zapata County, 1 thousand reported
SANCHEZ ET AL G.U. — gas, Mustang Oil & Gas Corporation, Zapata County, 1 thousand reported
VELA, ENRIQUE — gas, Midpar L.P., Zapata County, 1 thousand reported
MARTINEZ SWD — gas, Transtexas Gas Corporation, Zapata County, 1 thousand reported
DE GRACIA HEIRS — gas, Killam Oil Company, Zapata County, 1 thousand reported
CUELLAR, HESIGUIO — gas, Energy 2000, Inc., Zapata County, 1 thousand reported
BRIONES, J. E. — gas, Chevron U. S. A. Inc., Zapata County, 1 thousand reported
VELA, SERAPIO HEIRS B — gas, Conoco Inc., Zapata County, 947 reported
RAMIREZ ET AL — gas, El Paso E&P Zapata, L.P., Zapata County, 883 reported
STATE OF TEXAS — gas, Universe Oil & Gas, Inc., Zapata County, 844 reported
YZAGUIRRE, J. — gas, KCS Resources, Inc., Zapata County, 840 reported
JENNINGS, J. D. — oil, S M K Energy Corporation, Zapata County, 838 reported
RASH — gas, Chesapeake Operating, Inc., Zapata County, 793 reported
DON JOSE LAND & CATTLE CO., LTD — gas, Conocophillips Company, Zapata County, 769 reported
GARZA HEIRS — gas, El Paso Production Oil & Gas Co., Zapata County, 738 reported
BUSTAMANTE GAS UNIT 1 — gas, Transamerican Natural Gas Corp., Zapata County, 717 reported
TREVINO — gas, Kerr-Mcgee Oil & Gas Onshore LP, Zapata County, 686 reported
IRENE — gas, Transamerican Natural Gas Corp., Zapata County, 666 reported
ASCHE — gas, Transamerican Natural Gas Corp., Zapata County, 657 reported
LOPEZ — gas, Newfield Exploration Company, Zapata County, 597 reported
FALCON — gas, Ricochet Energy, Inc., Zapata County, 550 reported
BENAVIDES, J.G. UNIT — gas, Enron Oil & Gas Company, Zapata County, 453 reported
GARCIA, AMADA C. DE — oil, Zapata Minerals Co., Zapata County, 421 reported
CANALES — gas, Transamerican Natural Gas Corp., Zapata County, 414 reported
HINNANT 613 — gas, Killam Oil Co., Ltd., Zapata County, 397 reported
MARTINEZ, EUDOXIO — gas, Enron Oil & Gas Company, Zapata County, 333 reported
RANGEL, B.M. — gas, Enron Oil & Gas Company, Zapata County, 328 reported
JENNINGS RANCH AA — gas, Conocophillips Company, Zapata County, 324 reported
LA PERLA — gas, Conoco Inc., Zapata County, 315 reported
WHITE, J. H. — gas, Dale Operating Company, Zapata County, 312 reported
SULLIVAN-HEIN — gas, Enron Oil & Gas Company, Zapata County, 297 reported
LA PERLA "A" — gas, Transamerican Natural Gas Corp., Zapata County, 284 reported
VARELA — gas, El Paso E&P Zapata, L.P., Zapata County, 284 reported
BRIONES, J.E. — gas, Chevron U. S. A. Inc., Zapata County, 278 reported
TREVINO, E. — gas, Pennzoil Exploration & Prod. Co., Zapata County, 271 reported
VELA, J. M. — gas, Chevron U. S. A. Inc., Zapata County, 235 reported
RAMIREZ, JULIAN — gas, Ray JR. Co., Inc., Zapata County, 209 reported
RAMIREZ, MANUEL RAMOS — gas, Midpar L.P., Zapata County, 200 reported
VELA, SERAPIO HEIRS A — gas, Enron Oil & Gas Company, Zapata County, 191 reported
RASH — gas, Chesapeake Operating, Inc., Zapata County, 150 reported
JENNINGS — gas, S M K Energy Corporation, Zapata County, 145 reported
RATHMELL, J. G. — gas, North Central Oil Corp., Zapata County, 144 reported
LAUREL, SERGIO — gas, Enron Oil & Gas Company, Zapata County, 129 reported
WHITE, J. H. — gas, Sanchez-O'Brien Oil & Gas Corp., Zapata County, 125 reported
KILLAM MINERAL FEE — gas, Killam Oil Company, Zapata County, 124 reported
DOLORES GAS UNIT A — gas, Enron Oil & Gas Company, Zapata County, 116 reported
RANCHO NUEVO — gas, Transtexas Gas Corporation, Zapata County, 103 reported
ADRIAN, VELA — gas, Enron Oil & Gas Company, Zapata County, 101 reported
EL REFUGIO — gas, Chesapeake Operating, Inc., Zapata County, 94 reported
HAYNES "E" — gas, Transamerican Natural Gas Corp., Zapata County, 74 reported
JOSE CLEMENTE GUTIERREZ "A" — gas, Chesapeake Operating, Inc., Zapata County, 72 reported
MECOM, J. W. — gas, El Paso Production Oil & Gas Co., Zapata County, 58 reported
JENNINGS, J. D. — gas, S M K Energy Corporation, Zapata County, 47 reported
STATE OF TEXAS — gas, Universe Oil & Gas, Inc., Zapata County, 40 reported
BENAVIDES, BELIA R. "B" — gas, Enron Oil & Gas Company, Zapata County, 36 reported
HAYNES "A" — gas, El Paso E&P Zapata, L.P., Zapata County, 26 reported
ALEXANDER — gas, Chesapeake Operating, Inc., Zapata County, 25 reported
MARSHALL, S.G. — gas, Enron Oil & Gas Company, Zapata County, 16 reported
JENNINGS, J. D. — gas, Peoples Energy Prod.-TX, L.P., Zapata County, 14 reported
HAYNES MINERAL TRUST — gas, Transamerican Natural Gas Corp., Zapata County, 7 reported
ASCHE — gas, Houston Exploration Company, The, Zapata County, 7 reported
ASCHE — gas, Houston Exploration Company, The, Zapata County, 2 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.