Oil and gas leases in Duval County — page 2

Duval County, Texas has 2,231 oil and gas leases with production on file at the Railroad Commission. 734 of them are oil leases and 1,497 are gas leases. Between them they carry 4,151 wellbores. Reported volumes run from January 1993 to August 2026 and come to 37.5 million barrels of oil and 1.3 billion Mcf of gas. 401 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 Duval County

How many oil and gas leases are in Duval County?: Duval County has 2,231 oil and gas leases with production reported to the Railroad Commission of Texas, as of August 2026.
How much oil and gas has Duval County produced?: Leases in Duval County have reported 37,484,974 barrels of oil (bbl) and 1,316,010,428 thousand cubic feet of gas (Mcf) to the Railroad Commission of Texas between January 1993 and August 2026.
How many operators are active in Duval County?: 401 operators file production returns for leases in Duval County.
How much are mineral rights in Duval County worth?: There is no single figure: what a mineral or royalty interest in Duval County is worth depends on the individual lease, its decline, and the share the owner holds. Each of the 2,231 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 2 of 12

PETERS A 1703 — gas, Sanchez Oil & Gas Corporation, Duval County, 1.6 million reported
LOPEZ MINERAL TRUST — gas, Eog Resources, Inc., Duval County, 1.6 million reported
WEATHERBY-WEATHERBY GAS UNIT — gas, Shell Western E&P Inc., Duval County, 1.6 million reported
PEAL RANCH — gas, Reichmann Petroleum Corp., Duval County, 1.6 million reported
HERBST-TOREL — gas, Dreyfus, Louis Natural Gas Corp, Duval County, 1.6 million reported
PEAL RANCH — gas, Carrizo Oil & Gas, Inc., Duval County, 1.6 million reported
WENDT G. U. — gas, Suemaur Exploration, Inc., Duval County, 1.6 million reported
FISCHER, THOMAS — gas, Thorp Petroleum Corporation, Duval County, 1.6 million reported
HERBST, F. — gas, Hurd Enterprises, Ltd., Duval County, 1.6 million reported
ARMISTEAD — gas, Suemaur Exploration, Inc., Duval County, 1.6 million reported
HUMBLE FEE GAS UNIT — gas, BP America Production Company, Duval County, 1.6 million reported
FOSTER, J. R. — gas, Gillring Oil Company, Duval County, 1.5 million reported
MARCHBANKS-CADENA 'B' — gas, Magnum Producing, LP, Duval County, 1.5 million reported
SHOVLIN VEHLE — gas, Comstock Oil & Gas, LP, Duval County, 1.5 million reported
GRUY, DAGMAR — gas, Eog Resources, Inc., Duval County, 1.5 million reported
LOPEZ MINERAL TRUST — gas, Eog Resources, Inc., Duval County, 1.5 million reported
GRUY — gas, Dynamic Production, Inc., Duval County, 1.5 million reported
WENDT — gas, Sanchez-O'Brien Oil & Gas Corp., Duval County, 1.5 million reported
EXXON STATE — gas, Coronado Energy E&P Company, LLC, Duval County, 1.5 million reported
PEAL RANCH — gas, Reichmann Petroleum Corp., Duval County, 1.5 million reported
PEAL RANCH — gas, Richman Petroleum Corp., Duval County, 1.5 million reported
FLYING ELF 187 — gas, Killam Oil Co., Ltd., Duval County, 1.5 million reported
GRUY, DAGMAR — gas, Eog Resources, Inc., Duval County, 1.4 million reported
HERBST-TOREL — gas, Dominion Oklahoma Texas E&P, Inc, Duval County, 1.4 million reported
D.C.R.C. — gas, Mobil Producing TX. & N.M. Inc., Duval County, 1.4 million reported
PIEDRA NEGRA — gas, Rosetta Resources Operating LP, Duval County, 1.4 million reported
PETERS A 1703 — gas, Sanchez Oil & Gas Corporation, Duval County, 1.4 million reported
GRUY, DAGMAR — gas, Eog Resources, Inc., Duval County, 1.4 million reported
PETERS RANCH — gas, Richman Petroleum Corp., Duval County, 1.4 million reported
DCR 57 — gas, Sonat Exploration Co. - Houston, Duval County, 1.4 million reported
FROST NATIONAL BANK — gas, El Paso Production Oil & Gas Co., Duval County, 1.4 million reported
WELDER HEIRS 212 — gas, Suemaur Exploration, Inc., Duval County, 1.4 million reported
GRUY — gas, Dynamic Production, Inc., Duval County, 1.4 million reported
HERBST-TOREL — gas, Dreyfus, Louis Natural Gas Corp, Duval County, 1.4 million reported
DCR-STATE 366/54 H — gas, Sonat Exploration Co. - Houston, Duval County, 1.4 million reported
GRUY, DAGMAR — gas, Eog Resources, Inc., Duval County, 1.4 million reported
WEATHERBY-WERNECKE GAS UNIT — gas, Shell Western E&P Inc., Duval County, 1.3 million reported
SHOVLIN VEHLE — gas, Comstock Oil & Gas, LP, Duval County, 1.3 million reported
EXXON - LICHTENBERGER FEE — gas, Exxon Corp., Duval County, 1.3 million reported
DCR-STATE 366/76/64/54 D — gas, Tri-C Resources, Inc., Duval County, 1.3 million reported
HERRERA — gas, Phillips Petroleum Company, Duval County, 1.3 million reported
EXXON STATE — gas, Simray GP, LLC, Duval County, 1.3 million reported
VELA, LAZARO — gas, Samedan Oil Corporation, Duval County, 1.3 million reported
VELA — gas, Noble Energy Inc, Duval County, 1.3 million reported
GARCIA, CESAR — gas, Vintage Petroleum, Inc., Duval County, 1.3 million reported
WELDER LEASE — gas, Arco Oil & Gas Co., Duval County, 1.3 million reported
ARCO-HUMBLE FEE GAS UNIT — gas, Arco Oil & Gas Co., Duval County, 1.3 million reported
WIEDERKEHR — gas, Royal Production Company, Inc., Duval County, 1.3 million reported
FOSTER, J.R. — gas, Gillring Oil Company, Duval County, 1.3 million reported
VELA — gas, Noble Energy Inc, Duval County, 1.3 million reported
PETERS A 1721 — gas, Sanchez Oil & Gas Corporation, Duval County, 1.3 million reported
GRUY, DAGMAR — gas, Eog Resources, Inc., Duval County, 1.3 million reported
WELDER HEIRS 215 — gas, Peoples Energy Prod.-TX, L.P., Duval County, 1.3 million reported
PETERS A 1703 — gas, Sanchez Oil & Gas Corporation, Duval County, 1.2 million reported
GRUY, DAGMAR — gas, Eog Resources, Inc., Duval County, 1.2 million reported
ALTA-HUIZAR — gas, Tepee Petroleum Co., Inc., Duval County, 1.2 million reported
SHOVLIN VEHLE/MOORE "A" — gas, Comstock Oil & Gas, LP, Duval County, 1.2 million reported
RUIZ 127 "B" — gas, Killam Oil Co., Ltd., Duval County, 1.2 million reported
PEAL RANCH — gas, Richman Petroleum Corp., Duval County, 1.2 million reported
FOSTER, J. R. — gas, Gillring Oil Company, Duval County, 1.2 million reported
DCR 59 — gas, Sonat Exploration Co. - Houston, Duval County, 1.2 million reported
DCR 262 — gas, Tri-C Resources, Inc., Duval County, 1.2 million reported
HAHL, C.W. — gas, Hurd Enterprises, Ltd., Duval County, 1.2 million reported
DINN, JOHN & ELVA — gas, Tesoro E&P Company, L.P., Duval County, 1.2 million reported
PETERS A 724 — gas, Sanchez Oil & Gas Corporation, Duval County, 1.2 million reported
DCRC — gas, Rodessa Operating Company, Duval County, 1.2 million reported
HOFFMAN 116 — gas, LMP Exploration Operating, LLC, Duval County, 1.2 million reported
WIEDERKEHR 91 "B" — gas, Samson Hydrocarbons Company, Duval County, 1.2 million reported
WENDT G. U. — gas, Suemaur Exploration, Inc., Duval County, 1.2 million reported
HAGIST RANCH "A" — gas, Gillring Oil Company, Duval County, 1.2 million reported
BISHOP CATTLE CO. — gas, Rincon Petroleum Corporation, Duval County, 1.2 million reported
WEATHERBY, L. C. GAS UNIT — gas, Shell Western E&P Inc., Duval County, 1.2 million reported
FROST BANK/PEAL RANCH UNIT — gas, Carrizo Oil & Gas, Inc., Duval County, 1.1 million reported
VELA, LAZARD — gas, Noble Energy Inc, Duval County, 1.1 million reported
MCAFEE-BOX — gas, Sendero Energy Inc., Duval County, 1.1 million reported
WEATHERBY - WERNECKE GAS UNIT — gas, Shell Western E&P Inc., Duval County, 1.1 million reported
HAHL, C.W. FEE — gas, Exxon Corp., Duval County, 1.1 million reported
SLING — gas, Sanchez Oil & Gas Corporation, Duval County, 1.1 million reported
MOORE — gas, Comstock Oil & Gas, LP, Duval County, 1.1 million reported
SCHOOLFIELD — gas, Mobil Producing TX. & N.M. Inc., Duval County, 1.1 million reported
TRAPEZE STATE — gas, Killam Oil Co., Ltd., Duval County, 1.1 million reported
GRUY, DAGMAR — gas, Eog Resources, Inc., Duval County, 1.1 million reported
GONZALEZ WEST — gas, Reichmann Petroleum Corp., Duval County, 1.1 million reported
PARR, HILDA — gas, Magnum Producing, LP, Duval County, 1.1 million reported
GARCIA UNIT — gas, San Isidro Development Co, L. C., Duval County, 1.1 million reported
HAGIST RANCH -E- — gas, Gillring Oil Company, Duval County, 1.1 million reported
GRUY, DAGMAR — gas, Eog Resources, Inc., Duval County, 1.1 million reported
GRUY, DAGMAR — gas, Eog Resources, Inc., Duval County, 1.1 million reported
GRUY — gas, Mustang Oil & Gas Corporation, Duval County, 1.1 million reported
GARCIA-PEREZ — gas, Santos USA Corp., Duval County, 1.0 million reported
PETERS A 724 — gas, Sanchez Oil & Gas Corporation, Duval County, 1.0 million reported
FITZSIMMONS-MEW — gas, Noble Energy Inc, Duval County, 1.0 million reported
CUELLAR — gas, Hughes, Dan A. Company, Duval County, 1.0 million reported
DUVAL COUNTY RANCH COMPANY 4 — gas, Chesapeake Operating, Inc., Duval County, 1.0 million reported
HAHL-HESTER UNIT — gas, Royal Production Company, Inc., Duval County, 1.0 million reported
DCR-STATE 366/76/64/54 D — gas, Tri-C Resources, Inc., Duval County, 1.0 million reported
PEAL RANCH — gas, Reichmann Petroleum Corp., Duval County, 1.0 million reported
HAMILTON, BUCK — gas, Eog Resources, Inc., Duval County, 1.0 million reported
PARR SUNRAY — gas, Noble Energy Inc, Duval County, 1.0 million reported
DCRC 76 — gas, Devon Louisiana Corporation, Duval County, 995 thousand reported
HAHL, C. W. FEE — gas, Exxon Corp., Duval County, 981 thousand reported
WERNECKE, E. D. -A — gas, Paladin-Hayes, L.L.C., Duval County, 981 thousand reported
DCRC 64 — gas, Devon Louisiana Corporation, Duval County, 980 thousand reported
GRUY ESTATE — gas, Lobo Resources, Ltd., Duval County, 978 thousand reported
PARR, HILDA — gas, Magnum Engineering Company, Duval County, 975 thousand reported
SHOVLIN VEHLE — gas, Denali Oil & Gas Management, LLC, Duval County, 974 thousand reported
GRUY, DAGMAR — gas, Eog Resources, Inc., Duval County, 972 thousand reported
MARCHBANKS-CADENA GAS UNIT #1 — gas, Magnum Producing, LP, Duval County, 969 thousand reported
DCRC 79 — gas, Devon Louisiana Corporation, Duval County, 967 thousand reported
FROST NATIONAL BANK & TRUST — gas, Bowman, Fred Inc., Duval County, 961 thousand reported
WEATHERBY-WERNECKE P SAND GU — gas, Enron Oil & Gas Company, Duval County, 956 thousand reported
GARCIA, CESAR -A- — gas, Vintage Petroleum, Inc., Duval County, 955 thousand reported
CARL, W.E. — gas, Aransas DRLG & Workover Co Inc, Duval County, 953 thousand reported
FOSTER, J. R. — gas, Gillring Oil Company, Duval County, 950 thousand reported
DCRC #59 — gas, Devon Louisiana Corporation, Duval County, 949 thousand reported
DCRC 366 — gas, Sonat Exploration Co. - Houston, Duval County, 947 thousand reported
RUIZ 127 "D" — gas, Killam Oil Co., Ltd., Duval County, 947 thousand reported
BAZAN, DAVID — gas, Trinity Gas Corporation, Duval County, 945 thousand reported
DCR 59 — gas, Sonat Exploration Co. - Houston, Duval County, 944 thousand reported
PEREZ, GUILLERMO — gas, Trinity Gas Corporation, Duval County, 939 thousand reported
HAGIST RANCH "A" — gas, Devon Energy Production Co, L.P., Duval County, 928 thousand reported
SHOVLIN — gas, Devon Energy Production Co, L.P., Duval County, 925 thousand reported
PETERS A 1703 — gas, Sanchez Oil & Gas Corporation, Duval County, 924 thousand reported
GRUY, DAGMAR — gas, Eog Resources, Inc., Duval County, 923 thousand reported
OLVERA GAS UNIT — gas, Vintage Petroleum, Inc., Duval County, 921 thousand reported
BP AMERICA A-1726 — gas, Sanchez Oil & Gas Corporation, Duval County, 917 thousand reported
CUELLAR GAS UNIT 1 — gas, Vintage Petroleum, Inc., Duval County, 908 thousand reported
PETERS A 724 — gas, Sanchez Oil & Gas Corporation, Duval County, 906 thousand reported
PARR, HILDA — gas, Voyager Gas Corporation, Duval County, 902 thousand reported
RAGSDALE — gas, Vastar Resources, Inc., Duval County, 900 thousand reported
DRUMMOND, C. O., -A- — gas, Sue-Ann Production Company, Duval County, 897 thousand reported
MOORE "B" — gas, Comstock Oil & Gas, LP, Duval County, 896 thousand reported
D.C.R.C. — gas, Mobil Producing TX. & N.M. Inc., Duval County, 895 thousand reported
EXXON-LICHTENBERGER FEE — gas, Hilcorp Energy Company, Duval County, 892 thousand reported
DCR 203 — gas, Sonat Exploration Co. - Houston, Duval County, 890 thousand reported
MEW — gas, Edge Petroleum Oper. Co., Inc., Duval County, 883 thousand reported
F. GONZALES GU — gas, Eog Resources, Inc., Duval County, 882 thousand reported
KILGORE-WERNECKE GAS UNIT — gas, Shell Western E&P Inc., Duval County, 881 thousand reported
GREENE, O.W. — gas, Eog Resources, Inc., Duval County, 879 thousand reported
DRISCOLL, ROBERT — gas, Merit Energy Company, Duval County, 877 thousand reported
HAGIST RANCH -A- — gas, Gillring Oil Company, Duval County, 875 thousand reported
DUVAL COUNTY RANCH CO.'K' — gas, Exxon Corp., Duval County, 873 thousand reported
FARMERS LIFE GAS UNIT 1 — gas, Hilcorp Energy Company, Duval County, 868 thousand reported
DCRC 366 — gas, Devon Louisiana Corporation, Duval County, 868 thousand reported
DICKEY, L. A. — gas, Trinity Gas Corporation, Duval County, 866 thousand reported
KILLAM — gas, Zinke & Trumbo, Inc., Duval County, 865 thousand reported
CUELLAR, V. NO.2-A GAS UNIT — gas, Vintage Petroleum, Inc., Duval County, 860 thousand reported
VELA — gas, Noble Energy Inc, Duval County, 858 thousand reported
DUVAL RANCH, SEC. #288 — oil, Mcgowan Working Partners, Duval County, 855 thousand reported
EXXON-YATES RANCH FEE "D" — gas, Hilcorp Energy Company, Duval County, 853 thousand reported
AKERS — gas, Vastar Resources, Inc., Duval County, 853 thousand reported
HARVILLE-STATE 186 — gas, Killam Oil Co., Ltd., Duval County, 852 thousand reported
DCR 75 — gas, Sonat Exploration Co. - Houston, Duval County, 852 thousand reported
WELDER, LEO J. ETAL — gas, Satex Energy, Inc., Duval County, 847 thousand reported
DINN -A- — oil, L.T.D. Explorations Inc., Duval County, 845 thousand reported
BRAVO LAND COMPANY — gas, Swift Energy Company, Duval County, 844 thousand reported
SUN — gas, Huber, J. M., Corporation, Duval County, 841 thousand reported
WHITE, P. E., -B- — oil, Exxon Corp., Duval County, 837 thousand reported
EXXON STATE — gas, Peoples Energy Prod.-TX, L.P., Duval County, 835 thousand reported
HAHL, C.W. "B" — gas, Sanchez-O'Brien Oil & Gas Corp., Duval County, 835 thousand reported
SHOVLIN VEHLE — gas, Comstock Oil & Gas, LP, Duval County, 828 thousand reported
WEATHERBY-WEATHERBY GU — gas, Eog Resources, Inc., Duval County, 826 thousand reported
HERBST-TOREL — gas, Dreyfus, Louis Natural Gas Corp, Duval County, 824 thousand reported
SLING — gas, Sanchez Oil & Gas Corporation, Duval County, 817 thousand reported
CRESTONIO PROPERTIES 'A' — gas, Sandalwood Exploration, L.P., Duval County, 814 thousand reported
MOZELLE-SELF GAS UNIT — gas, Chevron U. S. A. Inc., Duval County, 813 thousand reported
PEREZ, GUILLERMO — gas, Trinity Gas Corporation, Duval County, 812 thousand reported
BENAVIDES, BRENNAN, -A- — gas, Bridge Oil Company, L. P., Duval County, 812 thousand reported
WELDER 385 — gas, Newfield Exploration Company, Duval County, 804 thousand reported
DCR "576" — gas, Killam Oil Co., Ltd., Duval County, 804 thousand reported
DUVAL RANCH -59- — oil, Dunigan Petroleum, Inc., Duval County, 798 thousand reported
D.C.R.C. — gas, Rodessa Operating Company, Duval County, 797 thousand reported
DCR 75 — gas, Devon Louisiana Corporation, Duval County, 794 thousand reported
GRUY, DAGMAR — gas, Eog Resources, Inc., Duval County, 790 thousand reported
WEATHERBY, L.C. EAST GAS UNIT — gas, Shell Western E&P Inc., Duval County, 788 thousand reported
EXXON-LICHTENBERGER FEE — gas, Exxon Corp., Duval County, 782 thousand reported
PETERS ESTATE GAS UNIT — gas, Amoco Production Company, Duval County, 774 thousand reported
MAYER STATE GU — gas, Texas Southern Petroleum Corp., Duval County, 771 thousand reported
D. C. R. C. — gas, Chesapeake Operating, Inc., Duval County, 768 thousand reported
CANALES-MARTIN GAS UNIT — gas, Saxet Energy, Ltd., Duval County, 766 thousand reported
DANTEX-BUCK HAMILTON SWD — gas, Dantex Oil & Gas, Inc., Duval County, 761 thousand reported
DUVAL COUNTY RANCH CO. — gas, Jenex Operating Company Of Texas, Duval County, 757 thousand reported
EXXON STATE — gas, Peoples Energy Prod.-TX, L.P., Duval County, 756 thousand reported
ARCO ET AL HUMBLE FEE GAS UNIT — gas, Columbus Energy, LLC, Duval County, 756 thousand reported
GRUY, DAGMAR — gas, Eog Resources, Inc., Duval County, 752 thousand reported
DRISCOLL, ROBERT — gas, Merit Energy Company, Duval County, 747 thousand reported
ATCHISON ESTATE — gas, Eog Resources, Inc., Duval County, 745 thousand reported
DCR 81 UNIT — gas, Sonat Exploration Co. - Houston, Duval County, 745 thousand reported
CUELLAR 123 — gas, Sanchez-O'Brien Oil & Gas Corp., Duval County, 744 thousand reported
DCR-STATE 366/76/64/54 D — gas, Tri-C Resources, Inc., Duval County, 744 thousand reported
PURSCH, W. A. — gas, Taurus Minerals, Inc., Duval County, 735 thousand reported
SALINAS, A. S. — gas, Hamilton, J. R., Duval County, 732 thousand reported
GRUY, DAGMAR — gas, Eog Resources, Inc., Duval County, 731 thousand reported
VELA, LAZARO — gas, Samedan Oil Corporation, Duval County, 730 thousand reported
KEETCH — gas, Nye Exploration & Prod, L.L.C., Duval County, 730 thousand reported
DCR-STATE 366/76/64/54 D — gas, Tri-C Resources, Inc., Duval County, 721 thousand reported
SHOVLIN — gas, Devon Energy Production Co, L.P., Duval County, 720 thousand reported
KILLAM FREER RANCH 196 — gas, Killam Oil Co., Ltd., Duval County, 719 thousand reported
ARCO ET AL HUMBLE FEE GAS UNIT — gas, Arco Oil & Gas Co., Duval County, 717 thousand reported
DCRC STATE SEC. 64 — gas, Devon Louisiana Corporation, Duval County, 717 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.