Oil and gas leases in Zapata County — page 12

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 12 of 23

BRUNI RANCH — gas, Conoco Inc., Zapata County, 888 thousand reported
LA PERLA — gas, Conocophillips Company, Zapata County, 887 thousand reported
JENNINGS RANCH AA — gas, Conocophillips Company, Zapata County, 883 thousand reported
HAYNES, L. — gas, North Central Oil Corp., Zapata County, 883 thousand reported
JENNINGS — gas, Dreyfus, Louis Natural Gas Corp, Zapata County, 881 thousand reported
LA PERLA — gas, Transtexas Gas Corporation, Zapata County, 881 thousand reported
DAISY — gas, Transamerican Natural Gas Corp., Zapata County, 880 thousand reported
SNAVELY GAS UNIT 3 — gas, Chesapeake Operating, Inc., Zapata County, 879 thousand reported
VERGARA — gas, Pogo Producing Company, Zapata County, 879 thousand reported
PALMYRA — gas, Enron Oil & Gas Company, Zapata County, 878 thousand reported
VASQUEZ-PENA-HAYNES — gas, Chesapeake Operating, Inc., Zapata County, 877 thousand reported
EL MILAGRO "B" BAJO (SHALLOW) — gas, L.O.G. Energy Exploration, Ltd., Zapata County, 875 thousand reported
J.O.D. — gas, Houston Exploration Company, The, Zapata County, 874 thousand reported
CUELLAR TRUST GU — gas, Enron Oil & Gas Company, Zapata County, 873 thousand reported
JENNINGS — gas, Pennzoil Exploration & Prod. Co., Zapata County, 873 thousand reported
HAYNES, L. — gas, North Central Oil Corp., Zapata County, 872 thousand reported
ASCHE — gas, Forest Oil Corporation, Zapata County, 872 thousand reported
PALMYRA MINERALS, LTD. — gas, Enron Oil & Gas Company, Zapata County, 871 thousand reported
LAUREL, O. M. ESTATE — gas, Chesapeake Operating, Inc., Zapata County, 871 thousand reported
RAMOS, FELIX — gas, Midpar L.P., Zapata County, 871 thousand reported
STATE CUATRO CATTLE "A" — gas, Forest Oil Permian Corporation, Zapata County, 870 thousand reported
BENAVIDES TRUST — gas, Pogo Producing Company, Zapata County, 870 thousand reported
VELA, CARMEN "C" — gas, Coronado Energy E&P Company, LLC, Zapata County, 870 thousand reported
HEIN, A. O. — gas, Calpine Natural Gas L.P., Zapata County, 869 thousand reported
LEONARDO — gas, Houston Exploration Company, The, Zapata County, 869 thousand reported
GARZA "D" GAS UNIT — gas, Transamerican Natural Gas Corp., Zapata County, 868 thousand reported
FLORES, L. G. — gas, Forest Oil Corporation, Zapata County, 868 thousand reported
CHARLES, ALEXANDER — gas, Hilcorp Energy Company, Zapata County, 867 thousand reported
LA PERLA — gas, Conocophillips Company, Zapata County, 867 thousand reported
GARZA — gas, Chesapeake Operating, Inc., Zapata County, 866 thousand reported
JENNINGS RANCH AA — gas, Conocophillips Company, Zapata County, 866 thousand reported
LA PERLA — gas, Conoco Inc., Zapata County, 866 thousand reported
FLORES — gas, Ricochet Energy, Inc., Zapata County, 865 thousand reported
MUNOZ — gas, Houston Exploration Company, The, Zapata County, 863 thousand reported
MUNOZ — gas, Houston Exploration Company, The, Zapata County, 863 thousand reported
HAYNES, L. — gas, Amerada Hess Corporation, Zapata County, 863 thousand reported
ALEXANDER — gas, Union Pacific Resources Company, Zapata County, 862 thousand reported
HAYNES ESTATE — gas, Bridge Oil Production Co., Inc., Zapata County, 861 thousand reported
CANALES — gas, Transamerican Natural Gas Corp., Zapata County, 860 thousand reported
BENAVIDES "A" — gas, El Paso E&P Zapata, L.P., Zapata County, 860 thousand reported
WORLEY — gas, Wagner & Brown, Ltd., Zapata County, 859 thousand reported
HAYNES MINERAL TRUST — gas, Houston Exploration Company, The, Zapata County, 858 thousand reported
SANCHEZ-MCMURREY — gas, North Central Oil Corp., Zapata County, 858 thousand reported
RMT "A" — gas, Laredo Energy, Zapata County, 856 thousand reported
SANCHEZ, CARMEN D. HEIRS — gas, Enron Oil & Gas Company, Zapata County, 856 thousand reported
DOMINGUEZ — gas, Houston Exploration Company, The, Zapata County, 856 thousand reported
SLATOR RANCH — gas, Wagner Oil Company, Zapata County, 855 thousand reported
BENAVIDES, B.R. — gas, Transamerican Natural Gas Corp., Zapata County, 855 thousand reported
ZAPATA HAWK — gas, Chesapeake Operating, Inc., Zapata County, 854 thousand reported
HAYNES, L. — gas, Pogo Producing Company, Zapata County, 854 thousand reported
MARTINEZ-ALEXANDER GAS UNIT — gas, Chevron U. S. A. Inc., Zapata County, 854 thousand reported
CUELLAR, MARIA — gas, Conoco Inc., Zapata County, 851 thousand reported
EL MILAGRO "B" — gas, L.O.G. Energy Exploration, Ltd., Zapata County, 851 thousand reported
GUERRA "L" — gas, Bridge Oil Production Co., Inc., Zapata County, 851 thousand reported
DE GRACIA HEIRS — gas, Killam Oil Company, Zapata County, 849 thousand reported
VELA, ADRIAN — gas, Enron Oil & Gas Company, Zapata County, 848 thousand reported
L.F.T. — gas, Transamerican Natural Gas Corp., Zapata County, 846 thousand reported
LA PERLA — gas, Transamerican Natural Gas Corp., Zapata County, 845 thousand reported
HAYNES, LEONARD — gas, North Central Oil Corp., Zapata County, 843 thousand reported
ALFONSO — gas, Houston Exploration Company, The, Zapata County, 843 thousand reported
TREVINO — gas, Transamerican Natural Gas Corp., Zapata County, 842 thousand reported
RANCHITO TANK GU — gas, Eog Resources, Inc., Zapata County, 841 thousand reported
VELA, SERAPIO HEIRS B — gas, Enron Oil & Gas Company, Zapata County, 841 thousand reported
MORGENSTERN — gas, Enron Oil & Gas Company, Zapata County, 841 thousand reported
HAYNES, L. — gas, Pogo Producing Company LLC, Zapata County, 841 thousand reported
FLORES, L. G. — gas, Houston Exploration Company, The, Zapata County, 841 thousand reported
RAMIREZ, J. EST. — gas, Pioneer Natural Res. USA, Inc., Zapata County, 837 thousand reported
MERCURIO MARTINEZ ET AL UNIT — gas, Chevron U. S. A. Inc., Zapata County, 835 thousand reported
ASCHE — gas, Houston Exploration Company, The, Zapata County, 835 thousand reported
VELA "B" — gas, Bridge Oil Production Co., Inc., Zapata County, 835 thousand reported
HAYNES, L. — gas, Pogo Producing Company, Zapata County, 834 thousand reported
DERLY — gas, Transtexas Gas Corporation, Zapata County, 834 thousand reported
PALMYRA MINERALS LTD — gas, Cody Energy LLC, Zapata County, 833 thousand reported
LEAL, F. — gas, Conoco Inc., Zapata County, 833 thousand reported
MECOM, J. W. — gas, Coastal Oil & Gas Corporation, Zapata County, 833 thousand reported
LA PERLA — gas, Transamerican Natural Gas Corp., Zapata County, 832 thousand reported
LA PERLA — gas, Transamerican Natural Gas Corp., Zapata County, 832 thousand reported
RAMIREZ, ABEL — gas, Ricochet Energy, Inc., Zapata County, 832 thousand reported
FELICIDAD — gas, Enron Oil & Gas Company, Zapata County, 831 thousand reported
ASCHE — gas, Houston Exploration Company, The, Zapata County, 830 thousand reported
DAISY — gas, Transamerican Natural Gas Corp., Zapata County, 830 thousand reported
MCMURREY, WM. — gas, Transamerican Natural Gas Corp., Zapata County, 830 thousand reported
JACOBA — gas, Transamerican Natural Gas Corp., Zapata County, 829 thousand reported
JACOBA — gas, Houston Exploration Company, The, Zapata County, 827 thousand reported
JENNINGS RANCH AA — gas, Conocophillips Company, Zapata County, 827 thousand reported
MCMURREY, WM. — gas, Transamerican Natural Gas Corp., Zapata County, 826 thousand reported
GARZA "D" GAS UNIT — gas, Transamerican Natural Gas Corp., Zapata County, 826 thousand reported
SLATOR RANCH — gas, Wagner Oil Company, Zapata County, 826 thousand reported
VELENO RANCH — gas, Dominion Expl. & Prod., Inc., Zapata County, 826 thousand reported
HAYNES, L. — gas, North Central Oil Corp., Zapata County, 825 thousand reported
HAYNES, L. — gas, Pogo Producing Company LLC, Zapata County, 824 thousand reported
SIETE VELAS — gas, Wagner & Brown, Ltd., Zapata County, 824 thousand reported
SINGER B — gas, Chesapeake Operating, Inc., Zapata County, 824 thousand reported
YZAQUIRRE, J. — gas, KCS Resources, Inc., Zapata County, 823 thousand reported
VOLPE — gas, Chesapeake Operating, Inc., Zapata County, 823 thousand reported
GARZA, L. — gas, Transamerican Natural Gas Corp., Zapata County, 822 thousand reported
HAYNES MINERAL TRUST — gas, Houston Exploration Company, The, Zapata County, 822 thousand reported
JENNINGS RANCH C — gas, Conocophillips Company, Zapata County, 822 thousand reported
HAYNES, LEONARD — gas, Amerada Hess Corporation, Zapata County, 822 thousand reported
MCMURREY, WM. — gas, Transamerican Natural Gas Corp., Zapata County, 822 thousand reported
DE LOS SANTOS — gas, Killam Oil Co., Ltd., Zapata County, 821 thousand reported
TREVINO — gas, Westport Oil And Gas Company, LP, Zapata County, 821 thousand reported
F. LEAL — gas, Conoco Inc., Zapata County, 821 thousand reported
ALFONSO — gas, Houston Exploration Company, The, Zapata County, 821 thousand reported
SNOWMASS INC. — gas, Conocophillips Company, Zapata County, 821 thousand reported
MUNOZ — gas, Houston Exploration Company, The, Zapata County, 821 thousand reported
MUNOZ — gas, Forest Oil Corporation, Zapata County, 820 thousand reported
DYE, JAMES — gas, Coastal Oil & Gas Corporation, Zapata County, 820 thousand reported
DE GRACIA HEIRS — gas, Killam Oil Co., Ltd., Zapata County, 819 thousand reported
GARZA, A. — gas, Transamerican Natural Gas Corp., Zapata County, 819 thousand reported
BENAVIDES, B. R. — gas, Houston Exploration Company, The, Zapata County, 818 thousand reported
RODRIGUEZ GAS UNIT 1 — gas, Forest Oil Corporation, Zapata County, 818 thousand reported
GUERRA "M" — gas, Peoples Energy Prod.-TX, L.P., Zapata County, 816 thousand reported
GARZA, L. RE-ENTRY — gas, Tri-C Resources, Inc., Zapata County, 815 thousand reported
ALEXANDER-SAENZ GAS UNIT — gas, Chesapeake Operating, Inc., Zapata County, 814 thousand reported
FLORES, L. G. — gas, Houston Exploration Company, The, Zapata County, 813 thousand reported
VASQUEZ, DELIA — gas, Chesapeake Operating, Inc., Zapata County, 813 thousand reported
JENNINGS RANCH D — gas, Conocophillips Company, Zapata County, 811 thousand reported
GARZA, LAURO — gas, Dreyfus, Louis Natural Gas Corp, Zapata County, 811 thousand reported
MORALES GAS UNIT — gas, Chesapeake Operating, Inc., Zapata County, 810 thousand reported
MUNOZ — gas, Houston Exploration Company, The, Zapata County, 808 thousand reported
JENNINGS — gas, Devon Energy Production Co, L.P., Zapata County, 808 thousand reported
VOLPE, FLORA E. G. DE UNIT — gas, Newfield Exploration Company, Zapata County, 807 thousand reported
MARTINEZ, ANTONIO ET AL — gas, Chevron U. S. A. Inc., Zapata County, 807 thousand reported
LAUREL GAS UNIT — gas, Dynamic Production, Inc., Zapata County, 806 thousand reported
A. GARZA — gas, Houston Exploration Company, The, Zapata County, 806 thousand reported
BHCH — gas, Chesapeake Operating, Inc., Zapata County, 806 thousand reported
HAYNES "A" — gas, El Paso E&P Zapata, L.P., Zapata County, 805 thousand reported
HAYNES, L. — gas, North Central Oil Corp., Zapata County, 803 thousand reported
SINGER A — gas, Enron Oil & Gas Company, Zapata County, 802 thousand reported
JENNINGS RANCH D — gas, Conocophillips Company, Zapata County, 802 thousand reported
GALO — gas, United Resources LP, Zapata County, 801 thousand reported
MARTINEZ, ACELA — gas, Enron Oil & Gas Company, Zapata County, 801 thousand reported
HAYNES "A" — gas, El Paso E&P Zapata, L.P., Zapata County, 800 thousand reported
BMT-MARTIN A — gas, Conoco Inc., Zapata County, 800 thousand reported
DON JOSE LAND — gas, El Paso E&P Zapata, L.P., Zapata County, 799 thousand reported
SANCHEZ-MCMURREY — gas, Conoco Inc., Zapata County, 799 thousand reported
ALFONSO — gas, Transamerican Natural Gas Corp., Zapata County, 798 thousand reported
LOPEZ MINERAL TRUST G.U. — gas, Tesoro E&P Company, L.P., Zapata County, 797 thousand reported
MECOM, J. W. — gas, Coastal Oil & Gas Corporation, Zapata County, 796 thousand reported
L & P — gas, Hilcorp Energy Company, Zapata County, 796 thousand reported
SLATOR RANCH "C" — gas, Eog Resources, Inc., Zapata County, 796 thousand reported
GARZA, L."2" — gas, Transamerican Natural Gas Corp., Zapata County, 795 thousand reported
MARSHALL, S.G. — gas, Enron Oil & Gas Company, Zapata County, 794 thousand reported
JENNINGS RANCH D — gas, Conoco Inc., Zapata County, 793 thousand reported
LOMA VIEJA — gas, El Paso Production Oil & Gas Co., Zapata County, 793 thousand reported
MECOM, J. W. — gas, Coastal Oil & Gas Corporation, Zapata County, 793 thousand reported
RAMIREZ, M. R. — gas, Dominion Expl. & Prod., Inc., Zapata County, 793 thousand reported
RAMOS, BALTAZAR — gas, Dominion Expl. & Prod., Inc., Zapata County, 792 thousand reported
GUTIERREZ, J. M. "C" — gas, Ricochet Energy, Inc., Zapata County, 792 thousand reported
ALFONSO — gas, Houston Exploration Company, The, Zapata County, 791 thousand reported
VIDAURRI, R. ET AL — gas, Chevron U. S. A. Inc., Zapata County, 791 thousand reported
GARZA, LAURO — gas, Pennzoil Exploration & Prod. Co., Zapata County, 790 thousand reported
DE LOS SANTOS GAS UNIT 1 — gas, Transamerican Natural Gas Corp., Zapata County, 790 thousand reported
SLATOR RANCH — gas, Wagner Oil Company, Zapata County, 789 thousand reported
HINNANT FULBRIGHT "W" GAS UNIT — gas, Killam Oil Co., Ltd., Zapata County, 789 thousand reported
IRENE — gas, Houston Exploration Company, The, Zapata County, 789 thousand reported
JENNINGS RANCH C — gas, Conoco Inc., Zapata County, 788 thousand reported
RAMOS, FELIX — gas, Parker & Parsley Development L.P, Zapata County, 785 thousand reported
GARZA, L. "B" 4 — gas, Houston Exploration Company, The, Zapata County, 785 thousand reported
LAUREL-LAS OVEJAS-STATE GAS UNIT — gas, Chesapeake Operating, Inc., Zapata County, 782 thousand reported
GARZA, L. — gas, Eog Resources, Inc., Zapata County, 782 thousand reported
KING-GUTIERREZ GAS UNIT — gas, Conoco Inc., Zapata County, 782 thousand reported
JENNINGS — gas, Pennzoil Exploration & Prod. Co., Zapata County, 781 thousand reported
L & P — gas, Transtexas Gas Corporation, Zapata County, 781 thousand reported
HAYNES, LEONARD — gas, North Central Oil Corp., Zapata County, 780 thousand reported
LAUREL MINERAL ESTATE — gas, Conocophillips Company, Zapata County, 779 thousand reported
ASCHE — gas, Houston Exploration Company, The, Zapata County, 779 thousand reported
MANN, E & E TRUST — gas, Eog Resources, Inc., Zapata County, 779 thousand reported
GUERRA, RAUL — gas, Midpar L.P., Zapata County, 778 thousand reported
ELIZONDO ET AL — gas, El Paso E & P Company, L. P., Zapata County, 778 thousand reported
TREVINO "B" — gas, Peoples Energy Prod.-TX, L.P., Zapata County, 777 thousand reported
TREVINO, J. B. — gas, Samson Lone Star LP, Zapata County, 777 thousand reported
MOLLETES CREEK GU — gas, Laredo Energy, Zapata County, 777 thousand reported
BMT-MARTIN B — gas, Conoco Inc., Zapata County, 777 thousand reported
SALINAS, G. G. — gas, Ricochet Energy, Inc., Zapata County, 777 thousand reported
HAYNES, L. — gas, Pogo Producing Company LLC, Zapata County, 776 thousand reported
FERNANDEZ — gas, Laredo Energy, Zapata County, 775 thousand reported
SINGER-ANDERS — gas, Chesapeake Operating, Inc., Zapata County, 775 thousand reported
VELA, SERAPIO HEIRS GU "D" — gas, Enron Oil & Gas Company, Zapata County, 773 thousand reported
JENNINGS RANCH C — gas, Conocophillips Company, Zapata County, 773 thousand reported
JENNINGS RANCH C — gas, Conoco Inc., Zapata County, 772 thousand reported
MCGRATH "B" — gas, Eog Resources, Inc., Zapata County, 771 thousand reported
GARZA, A. — gas, Transamerican Natural Gas Corp., Zapata County, 771 thousand reported
RAMIREZ, ABEL — gas, Houston Exploration Company, The, Zapata County, 771 thousand reported
LOPEZ — gas, Enron Oil & Gas Company, Zapata County, 769 thousand reported
ASCHE — gas, Houston Exploration Company, The, Zapata County, 769 thousand reported
MARTINEZ — gas, Reichmann Petroleum Corp., Zapata County, 769 thousand reported
CUELLAR, J. VELA — gas, Chesapeake Operating, Inc., Zapata County, 768 thousand reported
LAUREL, SERGIO — gas, United Resources LP, Zapata County, 767 thousand reported
JENNINGS RANCH C — gas, Conocophillips Company, Zapata County, 765 thousand reported
LA PERLA — gas, Conoco Inc., Zapata County, 764 thousand reported
HAYNES "A" — gas, El Paso E&P Zapata, L.P., Zapata County, 764 thousand reported
GUERRA "L" — gas, Transamerican Natural Gas Corp., Zapata County, 763 thousand reported
JENNINGS RANCH D — gas, Conocophillips Company, Zapata County, 763 thousand reported
MARTINEZ, OMAR — gas, Enron Oil & Gas Company, Zapata County, 762 thousand reported
URIBE — gas, Hilcorp Energy Company, Zapata County, 761 thousand reported
LAUREL, O. M. ESTATE — gas, Chesapeake Operating, Inc., Zapata County, 761 thousand reported
WHITE — gas, Sanchez Oil & Gas Corporation, Zapata County, 760 thousand reported
GARZA, LAURO — gas, Houston Exploration Company, The, Zapata County, 758 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.