Oil and gas leases in Zapata County — page 22

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 22 of 23

JENNINGS RANCH C — gas, Conoco Inc., Zapata County, 34 thousand reported
JENNINGS RANCH — gas, Transamerican Natural Gas Corp., Zapata County, 34 thousand reported
ZACHRY, E.B. — gas, Mobil Producing TX. & N.M. Inc., Zapata County, 34 thousand reported
RATHMELL, J. G. — gas, North Central Oil Corp., Zapata County, 33 thousand reported
SANCHEZ-MCMURREY — gas, Conoco Inc., Zapata County, 33 thousand reported
DECARREON, G.G. — gas, Conoco Inc., Zapata County, 33 thousand reported
GARCIA, GEORGE — gas, Eog Resources, Inc., Zapata County, 31 thousand reported
ASCHE — gas, Houston Exploration Company, The, Zapata County, 31 thousand reported
JENNINGS, J. D. — gas, S M K Energy Corporation, Zapata County, 31 thousand reported
DE LOPEZ, JOSETA M. — oil, Kendrick, Paul W., Zapata County, 31 thousand reported
DIAMANTINA — gas, Houston Exploration Company, The, Zapata County, 30 thousand reported
IKA RAMIREZ (A. GONZALEZ, JR) — gas, Forest Oil Permian Corporation, Zapata County, 30 thousand reported
GARZA — gas, Tesoro E&P Company, L.P., Zapata County, 30 thousand reported
MARTIN, J. C. — gas, Conocophillips Company, Zapata County, 30 thousand reported
JENNINGS, J. D. — gas, S M K Energy Corporation, Zapata County, 30 thousand reported
YZAGUIRRE, RAMIREZ — gas, KCS Resources, Inc., Zapata County, 30 thousand reported
ESCOBAS -B-E- UNIT — oil, Mcrae, Nathan Rathburn, Zapata County, 30 thousand reported
JENNINGS RANCH C — gas, Conocophillips Company, Zapata County, 30 thousand reported
GUTIERREZ, B. G. — gas, Conoco Inc., Zapata County, 30 thousand reported
YZAGUIRRE J. — gas, KCS Resources, Inc., Zapata County, 30 thousand reported
ZACHRY, E.B — gas, Mobil Producing TX. & N.M. Inc., Zapata County, 29 thousand reported
JENNINGS RANCH 'B' — gas, Transamerican Natural Gas Corp., Zapata County, 29 thousand reported
STATE- CUATRO CATTLE COMPANY — gas, North Central Oil Corp., Zapata County, 29 thousand reported
BENAVIDES, ALEJO — gas, Chesapeake Operating, Inc., Zapata County, 29 thousand reported
LEONARDO — gas, Houston Exploration Company, The, Zapata County, 29 thousand reported
MARTINEZ-ALEXANDER GAS UNIT — gas, Chevron U. S. A. Inc., Zapata County, 28 thousand reported
DE BARBERIO — gas, Conocophillips Company, Zapata County, 28 thousand reported
HAYNES — gas, Transamerican Natural Gas Corp., Zapata County, 28 thousand reported
BRUNI RANCH — gas, Conoco Inc., Zapata County, 28 thousand reported
LA PERLA — gas, Conoco Inc., Zapata County, 28 thousand reported
WHITTIER, HELEN COMPANY — gas, Enron Oil & Gas Company, Zapata County, 27 thousand reported
GARZA, LAURO — gas, Pennzoil Exploration & Prod. Co., Zapata County, 27 thousand reported
HAYNES — gas, Chesapeake Operating, Inc., Zapata County, 27 thousand reported
JENNINGS, J. D. — gas, S M K Energy Corporation, Zapata County, 27 thousand reported
CASSIN, E. W. ET AL — gas, North Central Oil Corp., Zapata County, 27 thousand reported
DOMINGUEZ — gas, Houston Exploration Company, The, Zapata County, 27 thousand reported
HAL LOPENO — oil, Bluestone Natural Res. II, LLC, Zapata County, 27 thousand reported
GARZA, L. ESTATE — gas, Houston Exploration Company, The, Zapata County, 27 thousand reported
CUELLAR, F. — gas, Killam Oil Company, Zapata County, 27 thousand reported
GARCIA ET AL G.U. — gas, Mustang Oil & Gas Corporation, Zapata County, 27 thousand reported
SLATOR RANCH — gas, Fina Oil & Chemical Company, Zapata County, 27 thousand reported
JENNINGS, J. D. — gas, S M K Energy Corporation, Zapata County, 27 thousand reported
RAMIREZ, MANUEL RAMOS — gas, Midpar L.P., Zapata County, 26 thousand reported
PORRAS GAS UNIT — gas, Transamerican Natural Gas Corp., Zapata County, 26 thousand reported
VESTER — gas, Forest Oil Permian Corporation, Zapata County, 26 thousand reported
TRUJILLO — gas, Newman Operating Company, Zapata County, 26 thousand reported
RAMIREZ, M. R. — gas, Dominion Expl. & Prod., Inc., Zapata County, 26 thousand reported
EL CLARENO — gas, El Paso E&P Zapata, L.P., Zapata County, 26 thousand reported
VELA — gas, Ricochet Energy, Inc., Zapata County, 25 thousand reported
BRUNI RANCH — gas, Conocophillips Company, Zapata County, 25 thousand reported
SERAPIO VELA E — gas, Conoco Inc., Zapata County, 25 thousand reported
HAYNES, L. — gas, Pogo Producing Company, Zapata County, 25 thousand reported
FLOREZ — gas, Burk Royalty Company, Zapata County, 25 thousand reported
JENNINGS — gas, Pennzoil Exploration & Prod. Co., Zapata County, 25 thousand reported
BRUNI MINERAL TRUST A-C — gas, Enron Oil & Gas Company, Zapata County, 25 thousand reported
GUTIERREZ, J. M. 'C' — gas, Howard Exploration, Inc., Zapata County, 25 thousand reported
BERNARDO GAS UNIT — gas, Houston Exploration Company, The, Zapata County, 24 thousand reported
SULLIVAN-HEIN — gas, Enron Oil & Gas Company, Zapata County, 24 thousand reported
MECOM, LANNIE — gas, Samson Lone Star LP, Zapata County, 24 thousand reported
GUTIERREZ, J. M. "B" — gas, Eog Resources, Inc., Zapata County, 24 thousand reported
ELIZONDO — gas, Bluestone Natural Res. II, LLC, Zapata County, 24 thousand reported
VELA, SERAPIO HEIRS "B" — gas, Enron Oil & Gas Company, Zapata County, 24 thousand reported
BERNARDO GAS UNIT — gas, Forest Oil Corporation, Zapata County, 24 thousand reported
BENAVIDES, BELIA R. "B" — gas, Eog Resources, Inc., Zapata County, 24 thousand reported
JENNINGS — gas, S M K Energy Corporation, Zapata County, 24 thousand reported
TRUJILLO-FLORES UNIT — gas, Newman Operating Company, Zapata County, 24 thousand reported
LA ROCA SWD — gas, Transamerican Natural Gas Corp., Zapata County, 24 thousand reported
JENNINGS — gas, Devon Energy Production Co, L.P., Zapata County, 23 thousand reported
RAMIREZ/YZAGUIRRE — gas, KCS Resources, Inc., Zapata County, 23 thousand reported
MCASKILL — gas, Transamerican Natural Gas Corp., Zapata County, 23 thousand reported
URIBE — gas, Eog Resources, Inc., Zapata County, 23 thousand reported
MATLES — gas, Conocophillips Company, Zapata County, 23 thousand reported
MCASKILL — gas, Conoco Inc., Zapata County, 23 thousand reported
TEXACO (MF) 181 — gas, Killam Oil Co., Ltd., Zapata County, 23 thousand reported
BENAVIDES, B.R. — gas, Transamerican Natural Gas Corp., Zapata County, 23 thousand reported
MANN, E. E. TRUST ET AL — gas, Eog Resources, Inc., Zapata County, 23 thousand reported
RAMIREZ, MARIA V. — gas, Transtexas Gas Corporation, Zapata County, 23 thousand reported
KRAMER — gas, West Energy Developers, Inc., Zapata County, 23 thousand reported
RAMIREZ-YZAGUIRRE GAS UNIT — gas, Transtexas Gas Corporation, Zapata County, 23 thousand reported
JENNINGS RANCH D — gas, Conoco Inc., Zapata County, 23 thousand reported
RATHMELL, J. G. — gas, Pogo Producing Company, Zapata County, 23 thousand reported
GUERRA — gas, Transtexas Gas Corporation, Zapata County, 22 thousand reported
RAMON, A. "B" — gas, Transamerican Natural Gas Corp., Zapata County, 22 thousand reported
DOLORES GAS UNIT D — gas, Enron Oil & Gas Company, Zapata County, 22 thousand reported
MUNOZ — gas, Houston Exploration Company, The, Zapata County, 22 thousand reported
LEONARDO — gas, Forest Oil Corporation, Zapata County, 22 thousand reported
ALEXANDER — gas, Amax Oil & Gas Inc., Zapata County, 22 thousand reported
ALEXANDER, M. M. B. — gas, Enron Oil & Gas Company, Zapata County, 22 thousand reported
MARTINEZ, MERCURIO — gas, Wagner Oil Company, Zapata County, 22 thousand reported
MORGENSTERN — gas, Eog Resources, Inc., Zapata County, 22 thousand reported
JUANA — gas, Houston Exploration Company, The, Zapata County, 22 thousand reported
LOPEZ G.U. — gas, Safari Production Company, Inc., Zapata County, 21 thousand reported
HAYNES "A" — gas, El Paso E&P Zapata, L.P., Zapata County, 21 thousand reported
URIBE, P. — gas, Enron Oil & Gas Company, Zapata County, 21 thousand reported
EL EBANITO LAND CO. LTD. — gas, Eog Resources, Inc., Zapata County, 21 thousand reported
DE LOS SANTOS — gas, Killam Oil Co., Ltd., Zapata County, 21 thousand reported
YZAGUIRRE-LEO GAS UNIT — gas, Houston Exploration Company, The, Zapata County, 21 thousand reported
LEONARDO — gas, Houston Exploration Company, The, Zapata County, 21 thousand reported
TAYLOR, LEROY — gas, United Oil & Minerals L. P., Zapata County, 21 thousand reported
ZACHRY — gas, El Paso E&P Zapata, L.P., Zapata County, 21 thousand reported
RODRIGUEZ GAS UNIT — gas, Houston Exploration Company, The, Zapata County, 21 thousand reported
CUELLAR, E. — oil, Zapata Oil Partners, L.L.C., Zapata County, 20 thousand reported
RMT "A" — gas, Chesapeake Operating, Inc., Zapata County, 20 thousand reported
HERBST, M. V. — gas, Transtexas Gas Corporation, Zapata County, 20 thousand reported
BRAVO, J.E. UNIT — gas, Amax Oil & Gas Inc., Zapata County, 20 thousand reported
HAYNES — gas, Legend Natural Gas, LP, Zapata County, 20 thousand reported
VELA, J.M. — gas, Chevron U. S. A. Inc., Zapata County, 19 thousand reported
LA PERLA "A" — gas, Conoco Inc., Zapata County, 19 thousand reported
NEEL, BESS M. — gas, Graham Royalty, Ltd., Zapata County, 19 thousand reported
TREVINO — gas, Elliott Oil & Gas Company, Zapata County, 18 thousand reported
GARZA, L. — gas, Eog Resources, Inc., Zapata County, 18 thousand reported
VELA-LOPENO MINERAL, LTD — gas, Dominion Expl. & Prod., Inc., Zapata County, 18 thousand reported
VELA — gas, Reichmann Petroleum Corp., Zapata County, 18 thousand reported
FLORES, L.G. — gas, Houston Exploration Company, The, Zapata County, 18 thousand reported
WHITTIER GAS UNIT 5 — gas, Legend Natural Gas II, LP, Zapata County, 18 thousand reported
LAS CLAVELLINA RANCH 36 — gas, Enron Oil & Gas Company, Zapata County, 17 thousand reported
LA PERLA — gas, Transamerican Natural Gas Corp., Zapata County, 17 thousand reported
BRUNI RANCH — gas, Conocophillips Company, Zapata County, 17 thousand reported
CUELLAR, MARIA — gas, Transtexas Gas Corporation, Zapata County, 17 thousand reported
HAYNES, L. — gas, North Central Oil Corp., Zapata County, 16 thousand reported
RAMIREZ, M. R. — gas, Dominion Expl. & Prod., Inc., Zapata County, 16 thousand reported
HINOJOSA, G. G. — oil, Shell Western E&P Inc., Zapata County, 16 thousand reported
DE GARCIA, JUSTINA B. ET AL — gas, Pressly Oil Interest, Inc., Zapata County, 16 thousand reported
JUAN DE DIOS — gas, Chesapeake Operating, Inc., Zapata County, 16 thousand reported
BARROCITO, B.M. — gas, Eog Resources, Inc., Zapata County, 16 thousand reported
MATLES — gas, Conocophillips Company, Zapata County, 16 thousand reported
JENNINGS, J. D. — gas, S M K Energy Corporation, Zapata County, 16 thousand reported
LAS PRESAS-GARCIA "A" — gas, Forest Oil Permian Corporation, Zapata County, 16 thousand reported
ALEXANDER, CHARLES — gas, Chevron U. S. A. Inc., Zapata County, 15 thousand reported
TREVINO, A. — gas, Killam Oil Company, Zapata County, 15 thousand reported
LOPENO "A" — gas, Bridge Oil Production Co., Inc., Zapata County, 15 thousand reported
BRIONES, J.E. "A" — gas, Columbus Energy Corp., Zapata County, 15 thousand reported
MARTINEZ, S. C — gas, Enron Oil & Gas Company, Zapata County, 15 thousand reported
VASQUEZ, DELIA M. — gas, Bellwether Exploration Company, Zapata County, 15 thousand reported
HAYNES — gas, Houston Exploration Company, The, Zapata County, 15 thousand reported
JENNINGS, J. D. — gas, S M K Energy Corporation, Zapata County, 15 thousand reported
HAYNES, L. — gas, North Central Oil Corp., Zapata County, 15 thousand reported
GUTIERREZ, J. M. — gas, Houston Exploration Company, The, Zapata County, 14 thousand reported
ALEXANDER, MAUREEN — gas, Smith Production Inc., Zapata County, 14 thousand reported
CUELLAR, F. — oil, Katco Production, Zapata County, 14 thousand reported
SANCHEZ-MCMURREY — gas, North Central Oil Corp., Zapata County, 14 thousand reported
WORLEY — gas, Wagner & Brown, Ltd., Zapata County, 14 thousand reported
HAYNES A — gas, Cantera Operating, LLC, Zapata County, 14 thousand reported
MOSSER, J. H. — gas, Transamerican Natural Gas Corp., Zapata County, 13 thousand reported
VOLPE — gas, Conocophillips Company, Zapata County, 13 thousand reported
DOMINGUEZ ET AL — gas, Enron Oil & Gas Company, Zapata County, 13 thousand reported
LEONARDO — gas, Transamerican Natural Gas Corp., Zapata County, 13 thousand reported
YZAGUIRRE, J. — gas, KCS Resources, Inc., Zapata County, 13 thousand reported
TREVINO -A- UNIT — oil, Mcrae, Nathan Rathburn, Zapata County, 12 thousand reported
THOMASMA, RAY J. — oil, Pennzoil Exploration & Prod. Co., Zapata County, 12 thousand reported
MCASKILL — gas, Conocophillips Company, Zapata County, 12 thousand reported
L.F.T. — gas, Transamerican Natural Gas Corp., Zapata County, 12 thousand reported
RODRIGUEZ GAS UNIT 1 — gas, Forest Oil Corporation, Zapata County, 12 thousand reported
JENNINGS, J. D. — oil, S M K Energy Corporation, Zapata County, 12 thousand reported
JOSEFA — gas, Hughes, Dan A. Company, Zapata County, 12 thousand reported
SANCHEZ, J. M. EST. — gas, Chevron U. S. A. Inc., Zapata County, 12 thousand reported
HAYNES — gas, Houston Exploration Company, The, Zapata County, 12 thousand reported
LOPEZ, C.V. ESTATE — gas, Dynamic Production, Inc., Zapata County, 12 thousand reported
FERNANDO — gas, Transamerican Natural Gas Corp., Zapata County, 12 thousand reported
RAMON A — gas, Hilcorp Energy Company, Zapata County, 12 thousand reported
SLATOR RANCH — gas, Fina Oil & Chemical Company, Zapata County, 12 thousand reported
SLATOR RANCH — gas, Fina Oil & Chemical Company, Zapata County, 12 thousand reported
J. G. BENAVIDES GAS UNIT — gas, Enron Oil & Gas Company, Zapata County, 12 thousand reported
JENNINGS — gas, Pennzoil Exploration & Prod. Co., Zapata County, 12 thousand reported
SIETE VELAS — gas, Wagner & Brown, Ltd., Zapata County, 11 thousand reported
TREVINO, E. — oil, Mcrae, Nathan Rathburn, Zapata County, 11 thousand reported
JENNINGS — gas, S M K Energy Corporation, Zapata County, 11 thousand reported
FLORES, L.G. — gas, Transamerican Natural Gas Corp., Zapata County, 11 thousand reported
ALEXANDER, MAUREEN — gas, Eog Resources, Inc., Zapata County, 11 thousand reported
HAYNES — gas, Pennzoil Exploration & Prod. Co., Zapata County, 11 thousand reported
RAMIREZ, JULIAN R., EST. -A- — oil, Ray JR. Co., Inc., Zapata County, 11 thousand reported
LA PERLA — gas, Transamerican Natural Gas Corp., Zapata County, 11 thousand reported
GARZA, LAURO — gas, Dominion Oklahoma Texas E&P, Inc, Zapata County, 11 thousand reported
ELIZONDO — gas, Enron Oil & Gas Company, Zapata County, 11 thousand reported
LOPEZ FAMILY TRUST "A" — gas, Paladar Investments I, L.L.C., Zapata County, 11 thousand reported
GUERRA 'L' — gas, Prize Operating Company, Zapata County, 11 thousand reported
RAQUEL GUTIERREZ — gas, Brighton Energy, L.L.C., Zapata County, 11 thousand reported
GARZA — gas, Laredo Energy, Zapata County, 11 thousand reported
SAN MARTIN — gas, Killam Oil Company, Zapata County, 10 thousand reported
RAMIREZ, JOSEFA, ETAL — oil, BPL Exploration, Ltd., Zapata County, 10 thousand reported
MUNOZ — gas, Houston Exploration Company, The, Zapata County, 10 thousand reported
JENNINGS, J. D. — gas, Mote Resources, Inc., Zapata County, 10 thousand reported
YZAGUIRRE, J. — gas, KCS Resources, Inc., Zapata County, 10 thousand reported
LA PERLA — gas, Transamerican Natural Gas Corp., Zapata County, 10 thousand reported
GUERRA, RAUL — gas, Dominion Expl. & Prod., Inc., Zapata County, 10 thousand reported
FLORES, M. — gas, Houston Exploration Company, The, Zapata County, 10 thousand reported
GARZA, LAURO — gas, Pennzoil Exploration & Prod. Co., Zapata County, 10 thousand reported
LEONARDO — gas, Forest Oil Corporation, Zapata County, 9 thousand reported
DOMINGUEZ ET AL — gas, Enron Oil & Gas Company, Zapata County, 9 thousand reported
GARZA, L. "2" — gas, Houston Exploration Company, The, Zapata County, 9 thousand reported
HAYNES "B" — gas, Conoco Inc., Zapata County, 9 thousand reported
FLORES, L. G. — gas, Houston Exploration Company, The, Zapata County, 9 thousand reported
RASH — gas, Chesapeake Operating, Inc., Zapata County, 9 thousand reported
MARTINEZ, MERCURIO ET AL — gas, Fina Oil & Chemical Company, Zapata County, 9 thousand reported
LA PERLA — gas, Transamerican Natural Gas Corp., Zapata County, 9 thousand reported
YZAGUIRRE-LEO GAS UNIT — gas, Transamerican Natural Gas Corp., Zapata County, 9 thousand reported
HAYNES E — gas, Conoco Inc., Zapata County, 9 thousand reported
HINNANT 307 'C' — gas, Killam Oil Co., Ltd., Zapata County, 9 thousand reported
TREVINO, MANUEL -A,B,C- — oil, Mcrae, Nathan Rathburn, Zapata County, 8 thousand reported
ASCHE — gas, Houston Exploration Company, The, Zapata County, 8 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.