Oil and gas leases in Duval County — page 7

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 7 of 12

MANN, W. C./SOUTHERS, R. L. — oil, El Dorado Resources Inc., Duval County, 53 thousand reported
LUNDELL, ARTHUR — oil, Forbes, C. C. Company, Duval County, 53 thousand reported
DUVAL STATE SECTION 64 — oil, Speed, F. Michael, Trustee, Duval County, 53 thousand reported
DAVY, C.R. — gas, Duster Production, Inc., Duval County, 53 thousand reported
LUNDELL STATE 140 — gas, Devon Louisiana Corporation, Duval County, 53 thousand reported
R J GARRETT — oil, Abaco Operating, LLC, Duval County, 53 thousand reported
WIEDERKEHR, L. — oil, Samson Resources Company, Duval County, 53 thousand reported
KILLAM FREER RANCH "196" — gas, Killam Oil Co., Ltd., Duval County, 52 thousand reported
LONGORIA 174 — gas, Killam Oil Co., Ltd., Duval County, 52 thousand reported
LOONEY — gas, Ronde Operating, LLC, Duval County, 52 thousand reported
VELA, M. — oil, Stripper, Inc., Duval County, 52 thousand reported
DRUMMOND, C. O., -B- — gas, Sue-Ann Production Company, Duval County, 52 thousand reported
CASEY, JACK — gas, Trinity Gas Corporation, Duval County, 52 thousand reported
DUVAL COUNTY RANCH CO. -K- — gas, Exxon Corp., Duval County, 52 thousand reported
WELDER, J. F., HRS. -E- — oil, Jones, R. W. & Co., Ltd., Duval County, 52 thousand reported
PARR, ATLEE — oil, Coffman Services, Inc., Duval County, 52 thousand reported
CUELLAR 123 — gas, Sanchez Oil & Gas Corporation, Duval County, 51 thousand reported
HINOJOSA "A" — gas, Wagner Oil Company, Duval County, 51 thousand reported
DUVAL RANCH SEC. 578 — oil, Dunigan Petroleum, Inc., Duval County, 51 thousand reported
MAMA NA PARTNERSHIP — gas, Discorbis Oil Company, Duval County, 51 thousand reported
D.C.R.C. — oil, Manley, John D. III, Oper., Inc, Duval County, 51 thousand reported
WORDEN & DROUGHT — oil, Manley, John D. III, Oper., Inc, Duval County, 51 thousand reported
DUVAL COUNTY RANCH CO. -K- — gas, Southwestern Energy Prod. Co., Duval County, 51 thousand reported
BRENNAN - BENAVIDES — gas, Bridge Oil Company, L. P., Duval County, 51 thousand reported
RAMIREZ, JOSE — oil, Herschap Bros., Duval County, 51 thousand reported
D..C.R.C. — oil, L.T.D. Explorations Inc., Duval County, 51 thousand reported
PARR — gas, Tidal Petroleum, Inc., Duval County, 51 thousand reported
SOUTH LUNDELL GAS UNIT #1 — gas, Exxon Corp., Duval County, 51 thousand reported
DUVAL STATE 54 — oil, Donna-Lynne Oil Company, Inc., Duval County, 51 thousand reported
HAHL, C. W., SEC. 67 — oil, Mcanear Oil & Gas, Duval County, 50 thousand reported
WENDT, HERMAN, UNIT NO. 1 — gas, Fair Operating, Inc., Duval County, 50 thousand reported
PETERS ESTATE — oil, Waters Eng. & Operating, Inc., Duval County, 50 thousand reported
CARRL — oil, Mueller Engineering Corp., Duval County, 50 thousand reported
DRISCOLL FOUNDATION "B" — oil, Hughes, Dan A. Company, Duval County, 50 thousand reported
DUVAL RANCH SEC. 257 — gas, Dunigan Petroleum, Inc., Duval County, 50 thousand reported
DICKEY, L. A. — gas, Trinity Gas Corporation, Duval County, 50 thousand reported
ROOS — gas, Rand Resources, Ltd, Duval County, 49 thousand reported
MOFFETT, L.P. ESTATE — oil, Regal Petroleum Services, Duval County, 49 thousand reported
COLLINS — gas, BNP Petroleum Corporation, Duval County, 49 thousand reported
GRUY — gas, Dynamic Production, Inc., Duval County, 49 thousand reported
PETERS, LEILA, EST. -J- — gas, Panola Corporation, The, Duval County, 49 thousand reported
RAGSDALE, VIRGINIA — gas, Taurus Minerals, Inc., Duval County, 49 thousand reported
FOSTER, J. R. -B- — oil, Gillring Oil Company, Duval County, 49 thousand reported
BOWMAN ETAL — gas, Garcia, A. H., Duval County, 48 thousand reported
ANITA — gas, Xog Operating LLC, Duval County, 48 thousand reported
DCR-STATE 64A — oil, Tri-C Resources, Inc., Duval County, 48 thousand reported
MILLER WEST — oil, Kebo Oil & Gas, Inc., Duval County, 48 thousand reported
KOHLER, V. "A" — gas, Manti Operating Company, Duval County, 48 thousand reported
HENDERSON-STATE — gas, Cotton, W.L. Gems & Minerals Ltd, Duval County, 47 thousand reported
TYREE UNIT — gas, Go-Energy Co., Duval County, 47 thousand reported
DCRC -A- NCT-2 — oil, Newman Operating Company, Duval County, 47 thousand reported
GARCIA, F. ET AL — gas, Lobo Resources, Ltd., Duval County, 47 thousand reported
VALADEZ, A. — gas, American Energy Partners, Inc., Duval County, 47 thousand reported
THOMAS, ET AL — gas, Central Energy Producing Company, Duval County, 46 thousand reported
ARCO-HUMBLE FEE GAS UNIT — gas, BP America Production Company, Duval County, 46 thousand reported
TINNEY ESTATE — oil, Chapco, Inc., Duval County, 46 thousand reported
WIEDERKEHR, L. — oil, Samson Resources Company, Duval County, 46 thousand reported
HUMBLE FEE GAS UNIT — gas, BP America Production Company, Duval County, 46 thousand reported
ROGERS, HERMINIA G. — gas, Regal Petroleum Services, Duval County, 46 thousand reported
PETERS, W. R., -C- — gas, Panola Corporation, The, Duval County, 45 thousand reported
KILLAM MINERAL FEE SECT. 132 "A" — oil, Killam Oil Co., Ltd., Duval County, 45 thousand reported
BARKLEY 'A' — gas, B.P. Productions Inc., Duval County, 45 thousand reported
FROST NATIONAL BANK — gas, Harvey Brothers Oil & Gas, Duval County, 45 thousand reported
BARRERA, HOMER ET AL — gas, Discorbis Oil Company, Duval County, 45 thousand reported
SOUTHWEST TEXAS CORPORATION — gas, Live Oak Reserves, Inc., Duval County, 45 thousand reported
DUVAL RANCH SEC. 257 GU — gas, Dunigan Petroleum, Inc., Duval County, 45 thousand reported
KOHLER, V. "A" — gas, Manti Operating Company, Duval County, 45 thousand reported
CANTU OIL UNIT — oil, Hilcorp Energy Company, Duval County, 45 thousand reported
DUVAL RANCH SEC. 96-B — gas, Southwest Royalties, Inc., Duval County, 45 thousand reported
DUVAL COUNTY RANCH CO.-K- — oil, Exxon Corp., Duval County, 45 thousand reported
PARR, E. A. — oil, Bridwell Oil Co., Duval County, 45 thousand reported
FOSTER, J. R. — gas, Devon Energy Production Co, L.P., Duval County, 45 thousand reported
DCR 80 — gas, Tri-C Resources, Inc., Duval County, 44 thousand reported
FROST NATIONAL BANK GAS UNIT — gas, Amoco Production Company, Duval County, 44 thousand reported
DINN, C. — gas, Tri-C Resources, Inc., Duval County, 44 thousand reported
GOVT. WELLS, N. (1800 AW&BW)UNIT — oil, Samson Resources Company, Duval County, 44 thousand reported
DUVAL COUNTY RANCH CO. STATE "V" — oil, Exxon Corp., Duval County, 44 thousand reported
MARTIN, R. S. -D- — oil, Morsey Oil & Gas Corp., Duval County, 44 thousand reported
RAMIREZ, M. GAS UNIT — gas, Vintage Petroleum, Inc., Duval County, 44 thousand reported
GREEN — gas, Sanchez Oil & Gas Corporation, Duval County, 43 thousand reported
D. C. R. C. — oil, Harvey Brothers Oil & Gas, Duval County, 43 thousand reported
KILLAM FREER RANCH STATE 50 — gas, Killam Oil Co., Ltd., Duval County, 43 thousand reported
D.C.R.C.-STATE TENDIDO — gas, El Campo Operating, LLC, Duval County, 43 thousand reported
KOHLER, V. "A" — gas, Manti Operating Company, Duval County, 43 thousand reported
ROOS, H. — gas, Manti Operating Company, Duval County, 43 thousand reported
HAGIST GAS UNIT 2 — gas, Gillring Oil Company, Duval County, 42 thousand reported
DUVAL COUNTY RANCH CO. -D- — oil, D.Y. Exploration, Inc., Duval County, 42 thousand reported
FOSTER, J. R. — gas, Gillring Oil Company, Duval County, 42 thousand reported
TINNEY -A- — oil, Chapco, Inc., Duval County, 42 thousand reported
DUVAL RANCH SECTION 281 — oil, Mcgowan Working Partners, Duval County, 42 thousand reported
PEREZ — gas, Trinity Gas Corporation, Duval County, 42 thousand reported
DINN MINERAL TRUST — oil, Aurora Resources Corporation, Duval County, 42 thousand reported
LABBE, E. — gas, Stinger Oil & Gas Inc., Duval County, 42 thousand reported
GARCIA, F. ET AL — oil, Lobo Resources, Ltd., Duval County, 41 thousand reported
ROGERS, HERMINIA G. — oil, Mustang Oil & Gas Corporation, Duval County, 41 thousand reported
DUVAL-STATE 54 — oil, Donna-Lynne Oil Company, Inc., Duval County, 41 thousand reported
SOUTHLAND LIFE — gas, Perlman,I.H.Oil & Gas Properties, Duval County, 41 thousand reported
SAENZ -C- — oil, Forbes, C. C. Company, Duval County, 41 thousand reported
LUNDELL-STATE 48 — gas, Hurd Enterprises, Ltd., Duval County, 41 thousand reported
BISHOP CATTLE — gas, Dominion Expl. & Prod., Inc., Duval County, 41 thousand reported
WIEDERKEHR, L. — gas, Samson Resources Company, Duval County, 40 thousand reported
TALLEY-KIBBE — gas, Laughlin, W. M. Estate, Duval County, 40 thousand reported
ALTA-VANCO — oil, Tepee Petroleum Co., Inc., Duval County, 40 thousand reported
PEAL RANCH — gas, Richman Petroleum Corp., Duval County, 40 thousand reported
HAGIST RANCH — gas, Ultra Oil & Gas, Inc., Duval County, 40 thousand reported
HERNANDEZ A — oil, Price Drilling & Exploration Co., Duval County, 40 thousand reported
DCR-STATE 64-8 OIL UNIT — oil, Tri-C Resources, Inc., Duval County, 40 thousand reported
WIEDERKEHR, L. — gas, El Campo Operating, LLC, Duval County, 40 thousand reported
HORN, T. W. — gas, Tuscan Corporation, The, Duval County, 40 thousand reported
MARCHBANKS — oil, Awp Operating Company, Duval County, 40 thousand reported
MAG.DUVAL RANCH SEC. 208-209 — oil, Dunigan Petroleum, Inc., Duval County, 40 thousand reported
GREENE, O.W. — gas, Eog Resources, Inc., Duval County, 40 thousand reported
DCR-STATE 258 — gas, Tri-C Resources, Inc., Duval County, 40 thousand reported
HINOJOSA "B" — gas, Hunter Petroleum Inc., Duval County, 40 thousand reported
SOUTHWEST TEXAS CORP. — gas, Live Oak Reserves, Inc., Duval County, 39 thousand reported
WEIL — gas, El Dorado Resources Inc., Duval County, 39 thousand reported
PARR — oil, Tidal Petroleum, Inc., Duval County, 39 thousand reported
DCRC MF NCT-32 — oil, Morsey Oil & Gas Corp., Duval County, 39 thousand reported
PEREZ, RODOLFO ET AL — oil, Lobo Resources, Ltd., Duval County, 39 thousand reported
HOFFMAN — gas, Rincon Petroleum Corporation, Duval County, 39 thousand reported
BEACH, BARBARA SHAFFER — gas, Memorial Exploration Company, Duval County, 39 thousand reported
BARRERA, HOMER ET AL — gas, Discorbis Oil Company, Duval County, 39 thousand reported
WELDER -A- — oil, South Texas Operating Company, Duval County, 38 thousand reported
DROUGHT, KATHLEEN L. — oil, Exxon Corp., Duval County, 38 thousand reported
CRESTONIO PROPERTIES 'A' — gas, Sandalwood Exploration, L.P., Duval County, 38 thousand reported
SOUTHWEST TEXAS CORP. — gas, Live Oak Reserves, Inc., Duval County, 38 thousand reported
HAZLEWOOD GAS UNIT — gas, Arco Oil & Gas Co., Duval County, 38 thousand reported
LICHTENBERGER FEE — gas, Hilcorp Energy Company, Duval County, 38 thousand reported
WELDER HEIRS -A- — oil, L.T.D. Explorations Inc., Duval County, 38 thousand reported
BARTON — gas, Nye Exploration & Prod, L.L.C., Duval County, 38 thousand reported
VAELLO-BROMBERG — oil, National Investors Group, Duval County, 37 thousand reported
SOUTHWEST TEXAS CORP. — gas, Live Oak Reserves, Inc., Duval County, 37 thousand reported
HAGIST GAS UNIT 3 — gas, Gillring Oil Company, Duval County, 37 thousand reported
CHAPA — oil, Chapco, Inc., Duval County, 37 thousand reported
HINOJOSA "B" — gas, Vintage Petroleum, Inc., Duval County, 37 thousand reported
WELDER-HEIRS 2-381 — gas, Texas Southern Petroleum Corp., Duval County, 37 thousand reported
HAHL, C. W., CO. — oil, Baxter, Kelly H., Duval County, 37 thousand reported
WEIL "B" — gas, Harvey Brothers Oil & Gas, Duval County, 37 thousand reported
KILLAM — oil, Killam Oil Co., Ltd., Duval County, 37 thousand reported
PARR — oil, Regal Petroleum Services, Duval County, 37 thousand reported
KOHLER, V. -A- — gas, Manti Operating Company, Duval County, 37 thousand reported
DCR-STATE 58 — gas, Sonat Exploration Co. - Houston, Duval County, 37 thousand reported
HOFFMAN, W. K. — oil, Buffalo Oil Corp., Duval County, 37 thousand reported
FOSTER, J. R. — gas, Gillring Oil Company, Duval County, 36 thousand reported
ORTIZ GAS UNIT — gas, Inland Ocean, Inc., Duval County, 36 thousand reported
RAMIREZ -B- — oil, Herschap Bros., Duval County, 36 thousand reported
KOHLER, V. -A- — gas, Exxon Corp., Duval County, 36 thousand reported
DOWDY FEE — gas, Killam Oil Company, Duval County, 36 thousand reported
WORDEN DROUGHT — gas, Rowden Oil & Gas, Inc., Duval County, 36 thousand reported
PETERS RANCH ESTATE — oil, Alco DRLG. Co., Duval County, 36 thousand reported
HOFSTETTER, W. — oil, Pride Exploration, Inc., Duval County, 36 thousand reported
DCR-STATE 366/76/64/54 D — gas, Cliffwood Production Co., Duval County, 36 thousand reported
WELDER, J.F. HEIRS — gas, Merit Energy Company, Duval County, 36 thousand reported
BARNES ESTATE — oil, Herschap Bros., Duval County, 36 thousand reported
DCR 273 — gas, Sonat Exploration Co. - Houston, Duval County, 36 thousand reported
GERMER, C.F. "A" — oil, Lobo Resources, Ltd., Duval County, 36 thousand reported
BARTOSH UNIT — gas, Trojim Co., Duval County, 36 thousand reported
W. W. H. M. & H. INC., ET. AL. — gas, Discorbis Oil Company, Duval County, 36 thousand reported
FOSTER, J. R. — gas, Gillring Oil Company, Duval County, 35 thousand reported
READY — gas, Tri-Union Development Corp., Duval County, 35 thousand reported
CANALES, AMANDO & BETTY D. — gas, Bliss Petroleum Operating, Inc., Duval County, 35 thousand reported
HUBBERD, WM. — oil, Chaparosa Production Company,Inc, Duval County, 35 thousand reported
WHITE, PAUL E. -B- — gas, Exxon Corp., Duval County, 35 thousand reported
DUVAL COUNTY RANCH 578 — gas, Killam Oil Co., Ltd., Duval County, 35 thousand reported
CUELLAR 123 — gas, Sanchez Oil & Gas Corporation, Duval County, 35 thousand reported
WHITE, P. E. A/C #4 — oil, Valera Oil Company, Duval County, 35 thousand reported
KILLAM FREER RANCH "196" — gas, Killam Oil Co., Ltd., Duval County, 35 thousand reported
KILLAM-SMITH 588 — gas, Killam Oil Co., Ltd., Duval County, 35 thousand reported
SOUTHWEST TEXAS CORP. — oil, Dewbre Petroleum Corporation, Duval County, 35 thousand reported
WIEDERKEHR, L. — gas, Samson Resources Company, Duval County, 35 thousand reported
BENAVIDES, R. UNIT — gas, Maverick Resources, Inc., Duval County, 34 thousand reported
KIBBE-MOOS, ANNA — oil, Kibbe, Anna S., Duval County, 34 thousand reported
SOUTHWEST TEXAS CORP — oil, Dugger, Glenn, Duval County, 34 thousand reported
HOFFMAN -Z- — oil, Eland Energy, Inc., Duval County, 34 thousand reported
DRISCOLL, ROBERT — gas, Merit Energy Company, Duval County, 34 thousand reported
PARR, EVANGELINA ET AL — oil, Chapco, Inc., Duval County, 34 thousand reported
DCR 81 UNIT I — oil, Tri-C Resources, Inc., Duval County, 34 thousand reported
WELDER, LEO J. ET AL — gas, South Texas Operating Company, Duval County, 33 thousand reported
DCRC NCT-29 — oil, Pearl, Bill H. Productions, Inc., Duval County, 33 thousand reported
CONWAY "20-A" — oil, Eland Energy, Inc., Duval County, 33 thousand reported
DCRC NCT-29 — oil, Pearl, Bill H. Productions, Inc., Duval County, 33 thousand reported
DCRC SECTION 102 — oil, Dewbre, Jerry C., Trustee, Duval County, 33 thousand reported
MILLER, M. M. & SONS FEE — oil, Miller, M. M. & Sons, Duval County, 33 thousand reported
GERMER, C.F. "A" — oil, Lobo Resources, Ltd., Duval County, 33 thousand reported
DUVAL COUNTY RANCH CO. -K- — oil, Exxon Corp., Duval County, 33 thousand reported
SLING — oil, Sanchez Oil & Gas Corporation, Duval County, 33 thousand reported
HAHL, C. W. SEC. 67 — gas, C. M. Oil Corporation, Duval County, 33 thousand reported
KOHLER, V. -A- — gas, Manti Operating Company, Duval County, 33 thousand reported
DUVAL RANCH SEC. 106, ACCT #3 — oil, Dunigan Petroleum, Inc., Duval County, 32 thousand reported
RAMIREZ, J. A. — oil, Lobo Resources, Ltd., Duval County, 32 thousand reported
STRASBURGER, HARRY EST. ET AL — gas, Bay Rock Operating Company, Duval County, 32 thousand reported
AKIN-STATE — oil, Pyramid Energy, Inc., Duval County, 32 thousand reported
SALINAS, A. S. — gas, Hamilton, J. R., Duval County, 32 thousand reported
SOUTHWEST TEXAS CORP. — gas, Dugger, Glenn, Duval County, 32 thousand reported
KIBBE-MOOS, ANNA -B- — oil, Kibbe, Anna S., Duval County, 31 thousand reported
DOUGHERTY, JAMES R. -K- — oil, Keystone Operating Co., Duval County, 31 thousand reported
BRELUM FIELD UNIT — oil, Pearl, Bill H. Productions, Inc., Duval County, 31 thousand reported
HENDERSON-STATE — gas, Cotton, W. L., Duval County, 31 thousand reported
HAGIST RANCH -F- — gas, Gillring Oil Company, Duval County, 31 thousand reported
RUIZ-STATE 574 — gas, Killam Oil Co., Ltd., Duval County, 31 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.