Oil and gas leases in District 04 — page 148

Railroad Commission district 04 covers 26 Texas counties and 31,387 leases with reported production. 3,464 of them are oil leases and 27,923 are gas leases. Between them they carry 37,861 wellbores. Reported volumes run from January 1993 to August 2026 and come to 140.8 million barrels of oil and 32.5 billion Mcf of gas. 1,347 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 District 04

How many oil and gas leases are in District 04?: District 04 has 31,387 oil and gas leases with production reported to the Railroad Commission of Texas, as of August 2026.
How much oil and gas has District 04 produced?: Leases in District 04 have reported 140,766,198 barrels of oil (bbl) and 32,505,269,454 thousand cubic feet of gas (Mcf) to the Railroad Commission of Texas between January 1993 and August 2026.
How many operators are active in District 04?: 1,347 operators file production returns for leases in District 04.
How much are mineral rights in District 04 worth?: There is no single figure: what a mineral or royalty interest in District 04 is worth depends on the individual lease, its decline, and the share the owner holds. Each of the 31,387 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 148 of 157

CORRAL QUEMADO RANCH — gas, Enron Oil & Gas Company, Zapata County, 3 thousand reported
D.C.R.C. MF NCT-83 — oil, Encino Exploration, Inc., Duval County, 3 thousand reported
MAYO-BLASCHKE UNIT NO. 1 — oil, Sandalwood Exploration, L.P., San Patricio County, 3 thousand reported
MARTINEZ, A. A. -C- — oil, Mir-Tex Energy Corp., Jim Hogg County, 3 thousand reported
SMITH & GARDNER — oil, Sterling Engine Service, Inc., Jim Wells County, 3 thousand reported
MOOS, H. -B- — oil, L.T.D. Explorations Inc., Webb County, 3 thousand reported
HMC/TIE LA BRISA — gas, Hanson Production Company, Starr County, 3 thousand reported
PETERS, W.R. — gas, Newport Exploration, Inc., Duval County, 3 thousand reported
GILLETT, J. T. -A- — oil, Kamlok Oil & Gas, Inc., Nueces County, 3 thousand reported
ROOTS, W. L. — oil, Lampert Exploration Corporation, San Patricio County, 3 thousand reported
MOUNTAIN TOWNSITE COMPANY — gas, Thorp Petroleum Corporation, Webb County, 3 thousand reported
CNG III — gas, Arco Oil & Gas Co., Hidalgo County, 3 thousand reported
FROST NATIONAL BANK — gas, Elliott Oil & Gas Operating Co., Zapata County, 3 thousand reported
SIMMONDS — oil, Pennzoil Exploration & Prod. Co., Nueces County, 3 thousand reported
DUVAL COUNTY RANCH CO. — gas, Cusack, Michael F., Duval County, 3 thousand reported
PHARR FIELD WIDE UNIT — gas, Shell Western E&P, Hidalgo County, 3 thousand reported
TAYLOR, SHIRLEY — oil, Virtex Petroleum Company, Inc., San Patricio County, 3 thousand reported
RIVER FARMS — oil, Dewbre Petroleum Corporation, Hidalgo County, 3 thousand reported
VAQUILLAS RANCH LTD — gas, Fina Oil & Chemical Company, Zapata County, 3 thousand reported
TEXON ROYALTY -B- — gas, Union Pacific Resources Company, Nueces County, 3 thousand reported
LANG GAS UNIT — gas, Dominion Oklahoma Texas E&P, Inc, San Patricio County, 3 thousand reported
BENAVIDES, BRENNAN — gas, Bridge Oil Company, L. P., Webb County, 3 thousand reported
GARCIA 3 — gas, Cometra Oil And Gas, Inc., Brooks County, 3 thousand reported
KERR — gas, Pennzoil Exploration & Prod. Co., Nueces County, 3 thousand reported
DUGGER, L. M. — gas, Sue-Ann Operating, L.C., Nueces County, 3 thousand reported
KLEBERG, R.J. JR TR QUITERIA PAS — gas, Exxon Corp., Brooks County, 3 thousand reported
FIMBLE GAS UNIT — gas, Wainoco Oil & Gas Company, Kleberg County, 3 thousand reported
SANDERS OU 3 — oil, Johnson Resources, Inc., Nueces County, 3 thousand reported
KING RANCH BORREGOS — gas, Exxon Corp., Kleberg County, 3 thousand reported
YAEGER HEIRS — oil, JRG Exploration, Inc., Jim Hogg County, 3 thousand reported
RUSS & DAIMWOOD — oil, Western Gulf Oil & Gas, LLC, Nueces County, 3 thousand reported
GARCIA, CESAR — oil, Lynd, J. L., Inc., Duval County, 3 thousand reported
BILLINGS — oil, Tri-C Resources, Inc., Webb County, 3 thousand reported
LEHMAN -E- — oil, Reserve Operating Corp., Nueces County, 3 thousand reported
BRISCOE "C" — gas, ST. Mary Land & Exploration Co., Webb County, 3 thousand reported
GEORGE — oil, DML Exploration, Inc., San Patricio County, 3 thousand reported
CAGE RANCH 603 — gas, Coastal Oil & Gas Corporation, Brooks County, 3 thousand reported
RIVERS, W.C. — gas, Union Pacific Resources Company, Nueces County, 3 thousand reported
YTURRIA — gas, Anderson Oil Ltd., Hidalgo County, 3 thousand reported
ALMOND, JOSEPHINE — gas, Parker, Robert Production, Inc., Jim Wells County, 3 thousand reported
DEGARCIA-CHAMPION UNIT — oil, Kerr-Mcgee Oil & Gas Onshore LLC, Starr County, 3 thousand reported
GUERRA, A., JR. ET AL -A- — gas, Wynn-Crosby Energy, Inc., Starr County, 3 thousand reported
STATE TRACT 125 — oil, Lamar Oil & Gas, Inc., Aransas County, 3 thousand reported
SEELIGSON UNIT — gas, Triad Energy Corporation, Jim Wells County, 3 thousand reported
ZACHRY, H.B. FEE — gas, Zachry, H. B. Company, Zapata County, 3 thousand reported
ROGERS, HERMINIA G. — oil, Mustang Oil & Gas Corporation, Duval County, 3 thousand reported
LA GUNA MADRE STATE TRACT #180 — oil, Vantage Point Operating Co., Kleberg County, 3 thousand reported
P.E. WHITE — oil, King Operating Corporation, Duval County, 3 thousand reported
EVANS, M. P. — gas, American Exploration Company, Hidalgo County, 3 thousand reported
BEVLY GAS UNIT — gas, Johnson Resources, Inc., Nueces County, 3 thousand reported
PEREZ — gas, Texas Independent Explor., Inc., Brooks County, 3 thousand reported
DE LOPEZ, C.V. -A- — gas, Omimex Petroleum, Inc., Starr County, 3 thousand reported
DE TIJERINA, H. C. — oil, Freedom Energy, Inc. (I), Jim Wells County, 3 thousand reported
COUNTISS HEIRS — oil, Harper Hefte, Inc., Nueces County, 3 thousand reported
AKERS — gas, Vastar Resources, Inc., Duval County, 3 thousand reported
FOSTER, J. R. -B- — oil, Gillring Oil Company, Duval County, 3 thousand reported
COPANO BAY STATE — oil, Live Oak Reserves, Inc., Aransas County, 3 thousand reported
BENNETT, MILLS, ESTATE FEE — oil, Bennett, Mills Estate, Brooks County, 3 thousand reported
FINA CONOCO FEE — oil, Fina Oil & Chemical Company, Starr County, 3 thousand reported
HUMBLE FEE GAS UNIT — gas, Vastar Resources, Inc., Duval County, 3 thousand reported
TREES — gas, Anderson Oil Ltd., Jim Wells County, 3 thousand reported
KING RANCH EAST LAURELES — gas, Exxon Corp., Kleberg County, 3 thousand reported
EAST, ALICE K. MRS. "B" — gas, Exxon Corp., Starr County, 3 thousand reported
GONZALES, MARIA ANA — gas, Dirks, R.W. Pet. Eng. Inc., Webb County, 3 thousand reported
LEONCITO SHALLOW — gas, Mestena, Inc., Brooks County, 3 thousand reported
LEONCITO SHALLOW — gas, Mestena, Inc., Brooks County, 3 thousand reported
SIMMONDS — oil, Pennzoil Exploration & Prod. Co., Nueces County, 3 thousand reported
GUERRA — oil, Howard Exploration, Inc., Starr County, 3 thousand reported
AUSTIN B — gas, Hamman Oil & Refining Company, Jim Hogg County, 3 thousand reported
VERA TRUST — gas, Noble Energy Inc, Duval County, 3 thousand reported
KING RANCH TIJERINA — gas, Exxon Corp., Jim Wells County, 3 thousand reported
SIMMONDS, B. B. — gas, Pennzoil Exploration & Prod. Co., Nueces County, 3 thousand reported
SANTA CRUZ FARMS — gas, Southwest Oil & Land, Inc., Hidalgo County, 3 thousand reported
HIGGINBOTHAM — oil, Buffalo Oil Corp., Jim Wells County, 3 thousand reported
TRIPHENE MIDDLETON — gas, Middleton Oil Company, Webb County, 3 thousand reported
OLMITOS RANCH — gas, Cox Exploration, Inc., Webb County, 3 thousand reported
HINOJOSA, MEDARDO -B- ROY. A/C#2 — oil, J. & M. Well Service, Inc., Starr County, 3 thousand reported
VELA "B" — gas, Bridge Oil Production Co., Inc., Zapata County, 3 thousand reported
PARKS, W. S., ET AL — gas, J. & M. Well Service, Inc., Starr County, 3 thousand reported
FLAME — oil, Sue-Ann Operating, L.C., Nueces County, 3 thousand reported
TREVINO-HEIRS — gas, Edge Petroleum Oper. Co., Inc., Duval County, 3 thousand reported
MIS HIJOS — oil, Awp Operating Company, Duval County, 3 thousand reported
CATALINA L. MCCANN — gas, Hilcorp Energy Company, Zapata County, 3 thousand reported
WORDEN-DROUGHT — gas, Rowden Oil & Gas, Inc., Duval County, 3 thousand reported
WARDNER, G. P., TRUSTEE -E- — oil, Falcon Production Co., Starr County, 3 thousand reported
HUNT, JOHN JR. — gas, Hewitt, Robert J., San Patricio County, 3 thousand reported
SPEER, GEORGE H. — gas, Kerr-Mcgee Oil & Gas Onshore LLC, Starr County, 3 thousand reported
FLINN, J. E. — oil, Energy Acquisitions, Inc., Nueces County, 3 thousand reported
WARDNER, G. P. — gas, Collins & Ware, Inc., Kleberg County, 3 thousand reported
MCKENDRICK — gas, Chevron U. S. A. Inc., Webb County, 3 thousand reported
BUTTS J.B. — oil, Apache Corporation, Nueces County, 3 thousand reported
OLIPHINT — oil, El Paso E & P Company, L. P., Hidalgo County, 3 thousand reported
MONTEMAYOR "A" — gas, Greehey & Company, Ltd., Duval County, 3 thousand reported
HINOJOSA, M. -A- — oil, J. & M. Well Service, Inc., Starr County, 3 thousand reported
LINCOLN, W.P. 2345 — gas, Hydrocarbon Operating, Inc., Webb County, 3 thousand reported
CHAPOTAL LAND CO. -B- — gas, Kerr-Mcgee Oil & Gas Onshore LP, Starr County, 3 thousand reported
HENRY G. GARZA — oil, Awp Operating Company, Duval County, 3 thousand reported
RICHMOND-GARCIA -A- — oil, Herschap Bros., Webb County, 3 thousand reported
ORDNER — oil, T. W. Oil Terminals, Inc., Nueces County, 3 thousand reported
BISHOP DUVAL LAND CO. — oil, Warner-Pawel, Duval County, 3 thousand reported
DE LA GARZA, RAUL — gas, Wright Brothers Energy, Inc., Webb County, 3 thousand reported
BRASK STATE 1846 — oil, Kerns O & G, Inc., Webb County, 3 thousand reported
SLATOR RANCH — gas, Eog Resources, Inc., Webb County, 3 thousand reported
PARR — gas, Tidal Petroleum, Inc., Duval County, 3 thousand reported
PICHA UNIT — gas, Kebo Oil & Gas, Inc., San Patricio County, 3 thousand reported
ADAMS HEIRS — oil, Kebo Oil & Gas, Inc., Jim Wells County, 3 thousand reported
QUIEN SABE UNIT — oil, Mir-Tex Energy Corp., Webb County, 3 thousand reported
CABLA — oil, Wallis Energy, Inc., Nueces County, 3 thousand reported
DCR 79 — gas, Sonat Exploration Co. - Houston, Duval County, 3 thousand reported
JOHNSON, F. I. — gas, Mobil Producing TX. & N.M. Inc., Hidalgo County, 3 thousand reported
WITHERS — gas, First United Oil & Gas Corp., Webb County, 3 thousand reported
KLEBERG, R J JR TR VIBORAS PAST — gas, Exxon Corp., Brooks County, 3 thousand reported
CAMERON, DON D. — gas, Conoco Inc., Starr County, 3 thousand reported
KOHLER, V. -A- — gas, Manti Operating Company, Duval County, 3 thousand reported
YZAGUIRRE — gas, Texas Independent Explor., Inc., Starr County, 3 thousand reported
CARD-HCWC & I DISTRICT 6 — oil, Capital Star Oil & Gas, Inc., Hidalgo County, 3 thousand reported
WELDER 'G' — oil, Hazelett Oil, Inc., San Patricio County, 3 thousand reported
FLORES UNIT — oil, Opex Energy, LLC, Starr County, 3 thousand reported
KILLAM FREER RANCH '196' — oil, Killam Oil Co., Ltd., Duval County, 3 thousand reported
MUNOZ — gas, Houston Exploration Company, The, Zapata County, 3 thousand reported
SCHALEBEN — gas, Wynn-Crosby Energy, Inc., Hidalgo County, 3 thousand reported
ERVIN — gas, Columbus Energy Corp., Webb County, 3 thousand reported
SEIDEL, W.J. -C- — gas, Mcguffin, Joe JR., Jim Wells County, 3 thousand reported
DIMMICK — oil, Fina Oil & Chemical Company, San Patricio County, 3 thousand reported
WEIL -A- — oil, CTR Petroleum, Inc., Duval County, 3 thousand reported
WELDER, J. F. HEIRS — gas, Miller, W. C. Operating Company, Duval County, 3 thousand reported
KING RANCH BORREGOS — gas, Exxon Corp., Kleberg County, 3 thousand reported
SAENZ, VICENTE — gas, Texas Fuel Company, Starr County, 3 thousand reported
STATE TRACT 786 — oil, Alta Mesa Services, LP, Nueces County, 3 thousand reported
RUPP — gas, Maguire Oil Company, Brooks County, 3 thousand reported
FOSTER, ZELLA HEIRS — oil, Laughlin, W. M. Estate, Duval County, 3 thousand reported
RIALITOS — gas, Cometra Oil And Gas, Inc., Brooks County, 3 thousand reported
MCGILL BROS. — oil, Exxon Corp., Starr County, 3 thousand reported
VAQUILLAS RANCH -D- — gas, Conoco Inc., Webb County, 3 thousand reported
JOHNS, C. D. — oil, Fina Oil & Chemical Company, Nueces County, 3 thousand reported
MAUCH-ANGELINE UNIT A — oil, Welder Exploration & Prod., Inc., San Patricio County, 3 thousand reported
GATES 05S — oil, Blackbrush O & G, Inc., Webb County, 3 thousand reported
BLACK STONE — gas, Westport Oil And Gas Company, LP, Hidalgo County, 3 thousand reported
ESTELL, MARY KING — oil, Kamlok Oil & Gas, Inc., Nueces County, 3 thousand reported
KHB — gas, Britanco, L.L.C., Webb County, 3 thousand reported
BARRY-GREEN — oil, A-G-B, Inc., San Patricio County, 3 thousand reported
BREAKER — gas, Mortimer Exploration Company, Starr County, 3 thousand reported
DUGGER, L. M. -A- — oil, Marquee Corporation, Nueces County, 3 thousand reported
INGRAM, J. C. "A" — oil, Pennzoil Exploration & Prod. Co., Nueces County, 3 thousand reported
HEARD, J. F. B. — oil, Integrated Operating Corporation, Starr County, 3 thousand reported
TEXACO FEE GU — oil, Metano Energy, LP, Starr County, 3 thousand reported
SOUTH CALLAGHAN RANCH — gas, Mobil Producing TX. & N.M. Inc., Webb County, 3 thousand reported
SEELIGSON, A.A. — oil, Mobil Producing TX. & N.M. Inc., Jim Wells County, 3 thousand reported
SOUTHWEST TEXAS CORP — oil, Poco LLC, San Patricio County, 3 thousand reported
LA BLANCA GAS UNIT — gas, MW Petroleum Corporation, Hidalgo County, 3 thousand reported
CRESTONIO PROPERTIES 'A' — gas, Sandalwood Exploration, L.P., Duval County, 3 thousand reported
BRUNI RANCH — gas, Hilcorp Energy Company, Webb County, 3 thousand reported
VILLARREAL — gas, Energy Development Corp., Starr County, 3 thousand reported
GARCIA — oil, Cotton, W. L., Brooks County, 3 thousand reported
BRUNI MINERAL B — gas, Enron Oil & Gas Company, Webb County, 3 thousand reported
SARITA FIELD OIL & GAS UNIT — gas, Exxon Corp., Kenedy County, 3 thousand reported
WELDER, J. F. UNIT — gas, Texaco E & P Inc., San Patricio County, 3 thousand reported
CAMPBELL ESTATE — oil, Dalport Oil Corporation, San Patricio County, 3 thousand reported
JOHN D. CLEARY HEIRS — oil, Saxum Oil & Gas, LLC, Duval County, 3 thousand reported
BRUNI, A. M. — oil, Mir-Tex Energy Corp., Webb County, 3 thousand reported
SPEER, GEO. H. STATE -D- — oil, Kerr-Mcgee Oil & Gas Onshore LLC, Starr County, 3 thousand reported
KOHLER, V. "A" — oil, Sue-Ann Operating, L.C., Duval County, 3 thousand reported
GILLETT,J.T. "A" — gas, Kamlok Oil & Gas, Inc., Nueces County, 2 thousand reported
DIX RANCH STATE B — gas, Enron Oil & Gas Company, Webb County, 2 thousand reported
CHAPMAN, J. O. — gas, Royal Production Company, Inc., Nueces County, 2 thousand reported
MONTALVO, N. R. — oil, Kerr-Mcgee Oil & Gas Onshore LP, Starr County, 2 thousand reported
CNG ET AL UNIT — oil, BNP Petroleum Corporation, Starr County, 2 thousand reported
S. ZAMORA — oil, Lewis Petro Properties, Inc., Webb County, 2 thousand reported
YTURRIA, L & L CO.-B- — oil, Oryx Energy Company, Starr County, 2 thousand reported
CHAPOTAL LAND CO. A — gas, Smith Production Inc., Starr County, 2 thousand reported
URSCHEL, C. F. — gas, Fina Oil & Chemical Company, Starr County, 2 thousand reported
MCGILL BROS. — gas, Exxon Corp., Starr County, 2 thousand reported
KOHLER, V. "A" — oil, Manti Operating Company, Duval County, 2 thousand reported
GILLESPIE UNIT — oil, Gillring Oil Company, Nueces County, 2 thousand reported
SEELIGSON UNIT — gas, Oryx Energy Company, Jim Wells County, 2 thousand reported
SIOUX-ADAMS — oil, Slawson Exploration Company, Inc, Jim Wells County, 2 thousand reported
PETERS A 1703 — oil, Rattlesnake Operating Co, LLC, Duval County, 2 thousand reported
MCALLEN, A.A. — gas, Forest Oil Corporation, Hidalgo County, 2 thousand reported
GREEN & MANNING GAS UNIT #2 — gas, J. & M. Well Service, Inc., Starr County, 2 thousand reported
ST. EDWARDS UNIV. — oil, Lowe, John JR., Jim Hogg County, 2 thousand reported
TEXACO-DCRC — oil, Manley, John D. III, Oper., Inc, Duval County, 2 thousand reported
DOMINGUEZ, MAXIMO UNIT — gas, Enron Oil & Gas Company, Hidalgo County, 2 thousand reported
GEE, H. W. — gas, Pennzoil Exploration & Prod. Co., Nueces County, 2 thousand reported
GARCIA OIL UNIT — oil, Aurora Resources Corporation, Duval County, 2 thousand reported
CHAPMAN COWLES — gas, Ventex Operating Corp., Nueces County, 2 thousand reported
LEHMAN, HENRY — oil, Pickens Company, Inc., The, Kleberg County, 2 thousand reported
MALLET — gas, Blakenergy Operating, LLC, Kenedy County, 2 thousand reported
WELDER HEIRS -D- — oil, Texas Southern Petroleum Corp., Duval County, 2 thousand reported
FOWLER — oil, Mortimer Exploration Company, San Patricio County, 2 thousand reported
MARTINEZ, R — gas, Hilcorp Energy Company, Webb County, 2 thousand reported
MONTALVO, I. V. -C- — gas, Oryx Energy Company, Starr County, 2 thousand reported
ZIMMERMAN — oil, Aransas DRLG & Workover Co Inc, San Patricio County, 2 thousand reported
FRIJOLE — gas, Williams-Cody, Inc., Jim Hogg County, 2 thousand reported
SLICK, T. B. ESTATE "A" — gas, Forest Oil Corporation, Starr County, 2 thousand reported
SIMMONDS & PERRY — oil, Lomak Production Company, Nueces County, 2 thousand reported
WALKER -A- — oil, Lindenmuth & Associates, Inc., Nueces County, 2 thousand reported
K & H FEE "2119" — gas, Killam Oil Company, Webb County, 2 thousand reported
YTURRIA — oil, Reveille Resources, Willacy County, 2 thousand reported
SOUTH CALLAGHAN RANCH — gas, Mobil Producing TX. & N.M. Inc., Webb County, 2 thousand reported
COPANO BAY STATE — oil, Live Oak Reserves, Inc., Aransas County, 2 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.