Oil and gas leases in District 04 — page 143

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 143 of 157

WARDNER G P — gas, Apache Corporation, Nueces County, 7 thousand reported
DALLAS JOINT STOCK LAND BANK -F- — oil, Pyramid Energy, Inc., Duval County, 7 thousand reported
WELDER A — oil, Hazelett Oil, Inc., San Patricio County, 7 thousand reported
GUZMAN — gas, Strata Operating, Inc., Starr County, 7 thousand reported
WELDER — oil, Sydri Operating, LLC, San Patricio County, 7 thousand reported
WERNECKE — oil, Geary Well Service Inc., Kleberg County, 7 thousand reported
KEIRN, PEARL — oil, Fina Oil & Chemical Company, Hidalgo County, 6 thousand reported
MARTENS — oil, Tidal Petroleum, Inc., Jim Wells County, 6 thousand reported
MINTEN — gas, Welder Exploration & Prod., Inc., Jim Wells County, 6 thousand reported
KLEBERG, R. J. JR TR. STILLMAN — gas, Exxon Mobil Corporation, Willacy County, 6 thousand reported
VELA, L. G. — gas, Eex E&P Company, L.P., Zapata County, 6 thousand reported
SPESSARD, W.M. — oil, Kamlok Oil & Gas, Inc., Nueces County, 6 thousand reported
STATE TRACT 786 — oil, Expro Engineering, Inc., Nueces County, 6 thousand reported
VAQUILLAS RANCH 1646 — gas, Enron Oil & Gas Company, Webb County, 6 thousand reported
STATE MARSHALL — oil, Acock Engineering & Assoc., Inc., Brooks County, 6 thousand reported
GARZA — oil, Gasper Rice Resources, Ltd., Duval County, 6 thousand reported
DUVAL COUNTY RANCH — oil, Ford, Edmond J., JR., Duval County, 6 thousand reported
MARTENS — gas, Tidal Petroleum, Inc., Jim Wells County, 6 thousand reported
BENNETT, MILLS, ESTATE FEE — oil, Bennett, Mills Estate, Brooks County, 6 thousand reported
SAN ROMAN,E (HCLY) WTRFLD UNT — oil, Exxon Corp., Starr County, 6 thousand reported
GALVAN RANCH H14 — gas, Legend Natural Gas III, LP, Webb County, 6 thousand reported
MCCAMPBELL, E. A. — gas, Altalay STX LLC, Zapata County, 6 thousand reported
SLATOR RANCH — gas, Wagner Oil Company, Zapata County, 6 thousand reported
HUBBERD — gas, Houston Exploration Company, The, Webb County, 6 thousand reported
STARR BRITE — gas, Tidal Petroleum, Inc., Duval County, 6 thousand reported
ESTELL, MARY KING — gas, Kamlok Oil & Gas, Inc., Nueces County, 6 thousand reported
CITY OF SINTON — oil, Scana Petroleum Resources, Inc., San Patricio County, 6 thousand reported
DE TIJERINA, H.C. — gas, Axio Production Company, L.P., Jim Wells County, 6 thousand reported
JONES, L. H. — gas, H & D Operating Company, Nueces County, 6 thousand reported
DCRC DELTA — oil, Delta Production Corporation, Webb County, 6 thousand reported
KING RANCH BORREGOS — gas, Exxon Corp., Kleberg County, 6 thousand reported
FLINN HEIRS — oil, Fischer Operating Corporation, San Patricio County, 6 thousand reported
DCRC-SEC. 3A — oil, Tri-C Resources, Inc., Webb County, 6 thousand reported
HALL, C. M. -A- — gas, Kerr-Mcgee Oil & Gas Onshore LLC, Starr County, 6 thousand reported
CASEY, JACK — gas, Trinity Gas Corporation, Duval County, 6 thousand reported
BRANN REGINA — gas, Cantera Operating, LLC, Hidalgo County, 6 thousand reported
ADAMS — oil, M. J. G., Inc., Jim Wells County, 6 thousand reported
KINSEY, E. A. B — gas, Linn Operating, Inc., Nueces County, 6 thousand reported
YTURRIA, FRANK D. ET AL — oil, Cody Energy LLC, Willacy County, 6 thousand reported
KOHLER, V. -A- — gas, Exxon Corp., Duval County, 6 thousand reported
BALDWIN — gas, Olsen Energy Inc., San Patricio County, 6 thousand reported
WELDER, R.H. — oil, Smith Production Inc., San Patricio County, 6 thousand reported
JANCIK, JOHN UNIT — gas, Southwest Oil & Land, Inc., Hidalgo County, 6 thousand reported
KING RANCH BORREGOS — gas, Exxon Corp., Kleberg County, 6 thousand reported
LA PRELLE, ROBERT — gas, Kamlok Oil & Gas, Inc., Nueces County, 6 thousand reported
CORPUS CHRISTI BANK & TRUST — oil, Fina Oil & Chemical Company, San Patricio County, 6 thousand reported
STEWART — gas, Apache Corporation, Kenedy County, 6 thousand reported
MAY FIELD UNIT — oil, Merit Energy Company, Kleberg County, 6 thousand reported
OLVERA GAS UNIT — gas, Hamilton, J. R., Duval County, 6 thousand reported
MOORE, LESTER — gas, Diamond "S" Oil, Inc., Jim Wells County, 6 thousand reported
STATE TRACT 973 — oil, Fina Oil & Chemical Company, Nueces County, 6 thousand reported
HUBBERD, WILLIAM — gas, Conoco Inc., Webb County, 6 thousand reported
CRITES/ MCCORD UNIT — oil, Royal Production Company, Inc., San Patricio County, 6 thousand reported
YTURRIA L & L -B- — oil, Oryx Energy Company, Starr County, 6 thousand reported
BUCHANAN GAS UNIT — gas, BP America Production Company, Hidalgo County, 6 thousand reported
KOHLER, V. -A- — oil, KD Energy, LLC, Duval County, 6 thousand reported
DE CAVAZOS, C. C. — gas, Arco Oil & Gas Co., Hidalgo County, 6 thousand reported
MIL PESOS — gas, Mestena Operating, Ltd., Brooks County, 6 thousand reported
JEFFRESS J.D. — gas, Cantera Operating, LLC, Hidalgo County, 6 thousand reported
CARR "B" — gas, Transtexas Gas Corporation, Webb County, 6 thousand reported
GARCIA, SALVADOR "G" — gas, Mohican Operating, L.L.C., Zapata County, 6 thousand reported
MARTINEZ,L. — gas, Enron Oil & Gas Company, Zapata County, 6 thousand reported
REIS GAS UNIT — gas, Eog Resources, Inc., Hidalgo County, 6 thousand reported
GUERRA, A. E. — gas, Edge Petroleum Oper. Co., Inc., Hidalgo County, 6 thousand reported
BRUNI MINERAL 'A' — gas, Killam Oil Co., Ltd., Webb County, 6 thousand reported
F. NYE GAS UNIT — gas, Transtexas Gas Corporation, Starr County, 6 thousand reported
/MILLS BENNETT ESTATE/ FEE — oil, Bennett, Mills Estate, Brooks County, 6 thousand reported
CHAPMAN RANCH — oil, Bristol Resources Corporation, Nueces County, 6 thousand reported
KILLAM-HURD-AMOCO — gas, Amoco Production Company, Webb County, 6 thousand reported
MARTIN — oil, Western Gulf Oil & Gas, LLC, Nueces County, 6 thousand reported
ED RACHAL "SHELL" — gas, Lewis Petro Properties, Inc., Webb County, 6 thousand reported
DETIJERINA,H. C. — gas, Freedom Energy, Inc. (I), Jim Wells County, 6 thousand reported
P.E. WHITE — oil, King Operating Corporation, Duval County, 6 thousand reported
HAYNES MINERAL TRUST — gas, Forest Oil Corporation, Zapata County, 6 thousand reported
HEFTE, MARY TOM ET AL — oil, Harper Hefte, Inc., Nueces County, 6 thousand reported
SLICK, T. B. ESTATE B1 — gas, Totalfinaelf E&P USA Inc, Starr County, 6 thousand reported
SAUZ RANCH MULATOS PAST. — oil, Exxon Corp., Willacy County, 6 thousand reported
LA RUCIA RANCH — gas, Nuevo Energy Company, Brooks County, 6 thousand reported
WEIL "M" — oil, Hughes, Dan A. Company, Jim Hogg County, 6 thousand reported
WEIL "B" — oil, Wallis Energy, Inc., Duval County, 6 thousand reported
STATE TRACT 96 — oil, Miresco, Inc., Aransas County, 6 thousand reported
HENDERSON-STATE — oil, Camco Saltwater Transport,L.L.C., Duval County, 6 thousand reported
KING RANCH BORREGOS — gas, Exxon Corp., Kleberg County, 6 thousand reported
WELDER, JAMES F., HEIRS — oil, Panola Corporation, The, Duval County, 6 thousand reported
BRISCOE "E" — gas, ST. Mary Land & Exploration Co., Webb County, 6 thousand reported
THOMPSON UNIT — gas, Plains Resources Inc., Nueces County, 6 thousand reported
GUARANTY TITLE & TRUST "A" — gas, KC Resources, Inc., Nueces County, 6 thousand reported
FERGUSON, BELLE GAS UNIT — gas, Enron Oil & Gas Company, Hidalgo County, 6 thousand reported
HINOJOSA, MEDARDO B ROY A/C 2 — gas, White Oak Operating Company LLC, Starr County, 6 thousand reported
WELDER, E.H. 'E' — gas, Cummins & Walker Oil Co., Inc., San Patricio County, 6 thousand reported
LLD-MOONRAKER UNIT — oil, Poco LLC, San Patricio County, 6 thousand reported
M.M.A. CATTLE COMPANY — gas, Transamerican Natural Gas Corp., Webb County, 6 thousand reported
JENNINGS RANCH A — gas, Conoco Inc., Zapata County, 6 thousand reported
ZWERNEMANN — oil, Cortex Energy, Inc., Jim Wells County, 6 thousand reported
WILLIAMS & WILLIAMSON — gas, Lewis Petro Properties, Inc., Webb County, 6 thousand reported
MCCANN STATE UNIT "A" — oil, Petro Resources, Inc., Nueces County, 6 thousand reported
FARIAS, N.A. — oil, Peoples Energy Prod.-TX, L.P., Starr County, 6 thousand reported
BLOCKER, JOHN R. 1839 — gas, Brask-Dumont Ranch, Inc., Webb County, 6 thousand reported
BRASK RANCH — gas, Blackbrush O & G, Inc., Webb County, 6 thousand reported
MCGILL BROS. NCT-1 — gas, Texaco E & P Inc., Brooks County, 6 thousand reported
BILLINGS HEIRS 1953 — gas, Mohican Oil & Gas, L.L.C., Webb County, 6 thousand reported
LANG GAS UNIT — gas, Dominion Oklahoma Texas E&P, Inc, San Patricio County, 6 thousand reported
LOPENO "F" — gas, Bridge Oil Production Co., Inc., Zapata County, 6 thousand reported
ROOS, H. — gas, Rand Resources, Ltd, Duval County, 6 thousand reported
GUERRA, A. E. — gas, Chevron U. S. A. Inc., Hidalgo County, 6 thousand reported
HEARD, J.F.B. — oil, Rincon Gas, Inc., Starr County, 6 thousand reported
MUELLER, HENRY — oil, Bettis, Boyle & Stovall, Jim Wells County, 6 thousand reported
BRISCOE "E"-A — gas, ST. Mary Land & Exploration Co., Webb County, 6 thousand reported
LA BLANCA GAS UNIT — oil, MW Petroleum Corporation, Hidalgo County, 6 thousand reported
JOHNSON, F. I. — gas, Mobil Producing TX. & N.M. Inc., Hidalgo County, 6 thousand reported
DE LA GARZA -C- — gas, Wright Brothers Energy, Inc., Webb County, 6 thousand reported
KING RANCH BORREGOS — gas, Exxon Corp., Kleberg County, 6 thousand reported
PRADERA — gas, BDR Energy Corporation, Brooks County, 6 thousand reported
PYLE, H.C. — gas, Pennzoil Exploration & Prod. Co., Nueces County, 6 thousand reported
KELSEY UNIT — oil, Exxon Corp., Brooks County, 6 thousand reported
ORYX — gas, Dominion Oklahoma Texas E&P, Inc, Duval County, 6 thousand reported
GOETSCH, D.L.D. — gas, Wainoco Oil & Gas Company, Kleberg County, 6 thousand reported
RAMIREZ, M. GAS UNIT — gas, Vintage Petroleum, Inc., Duval County, 6 thousand reported
MEISCHEN — oil, Paloma Operating, LLC, Jim Wells County, 6 thousand reported
MARINOFF, BORIS — oil, Wagner, Duer & Co., Hidalgo County, 6 thousand reported
ADAMS, L. M. "C" — oil, Hughes, Dan A. Company, Jim Hogg County, 6 thousand reported
DECARREON, G. G. — gas, Pogo Producing Company, Zapata County, 6 thousand reported
BEVLY "B" GAS UNIT — oil, Johnson Resources, Inc., Nueces County, 6 thousand reported
RIVERS, M. L. — gas, Devon Energy Production Co, L.P., Nueces County, 6 thousand reported
LECHENGER — gas, Conoco Inc., Webb County, 6 thousand reported
LONDON, C. E. — oil, Hunter & Hedrick Production, Inc, Nueces County, 6 thousand reported
EL GATITA — gas, Enron Oil & Gas Company, Webb County, 6 thousand reported
WARDNER 1-C — gas, Sarrita Oil Co., Inc., Starr County, 6 thousand reported
DCR 79 — oil, Tri-C Resources, Inc., Duval County, 6 thousand reported
DUVAL RANCH SEC. 262 — gas, Dunigan Petroleum, Inc., Duval County, 6 thousand reported
PRIOUR, T. -B- — oil, Crystal Oil Company, Nueces County, 6 thousand reported
HOFFMAN -B- — oil, Morsey Oil & Gas Corp., Duval County, 6 thousand reported
CRITES GAS UNIT — gas, Royal Production Company, Inc., San Patricio County, 6 thousand reported
SOUTH CALLAGHAN RANCH — gas, Rosetta Resources Operating LP, Webb County, 6 thousand reported
CANALES, A.T. — gas, Oryx Energy Company, Kleberg County, 6 thousand reported
RAMIREZ, M. R. — gas, Dominion Expl. & Prod., Inc., Zapata County, 6 thousand reported
THOMPSON, J.A. — oil, Bargo Energy Company, Nueces County, 6 thousand reported
HAHL, C. W. — oil, Seventy Oil Co., Duval County, 6 thousand reported
STATE TRACT 834-S — oil, PG&E Resources Offshore Company, Matgrda Is-SB County, 6 thousand reported
WARDNER, G. P. — gas, Union Pacific Resources Company, Kleberg County, 6 thousand reported
CHARGOS CREEK "A" — oil, Ridgeline Energy Inc., Zapata County, 6 thousand reported
WIEDERKEHR, L. — oil, Samson Resources Company, Duval County, 6 thousand reported
VELA - RAMIREZ — gas, Texas Southern Petroleum Corp., Jim Hogg County, 6 thousand reported
MOBIL-ARCO UNIT — oil, Dewbre Petroleum Corporation, Jim Wells County, 6 thousand reported
PENA, OLIVIA — oil, Price Drilling & Exploration Co., Jim Hogg County, 6 thousand reported
HAMON-HARVEY — gas, Magnum Producing & Operating Co., San Patricio County, 6 thousand reported
JOHNSON, MARY M. TRUST — gas, El Paso E&P Zapata, L.P., Zapata County, 6 thousand reported
STATE TRACT 471 — gas, Bristol Resources Corporation, Nueces County, 6 thousand reported
DCRC-SEC.4 — oil, Tri-C Resources, Inc., Webb County, 6 thousand reported
CAGE, W. T. "B" — oil, Union Pacific Resources Company, Nueces County, 6 thousand reported
KLEBERG, R.J. JR TR VIB. PASTURE — gas, Exxon Corp., Brooks County, 6 thousand reported
VELA, J. M. — gas, Chevron U. S. A. Inc., Zapata County, 6 thousand reported
RACHAL FOUNDATION — gas, Huber Energy L.P., Webb County, 6 thousand reported
CUELLAR BROS. — oil, Garcia, A. H., Duval County, 6 thousand reported
JENNINGS — gas, S M K Energy Corporation, Zapata County, 6 thousand reported
VOYLES UNIT — oil, Double Play Oil & Gas, Inc, Jim Wells County, 6 thousand reported
SEELIGSON ESTATE — oil, Fair Operating, Inc., Jim Wells County, 6 thousand reported
MCGILL BROS. — oil, Exxon Corp., Brooks County, 6 thousand reported
YTURRIA — oil, Blakenergy Operating, LLC, Willacy County, 6 thousand reported
WARDNER, G.P. — gas, Union Pacific Resources Company, Nueces County, 6 thousand reported
NOCK, J. H. — oil, Pyramid Energy, Inc., Jim Wells County, 6 thousand reported
KERR — gas, Pennzoil Exploration & Prod. Co., Nueces County, 6 thousand reported
VILLARREAL — gas, Newman Operating Company, Starr County, 6 thousand reported
RADFORD — oil, Windrush Operating Co., L.L.C., Kleberg County, 6 thousand reported
DIMMICK, A. J. — oil, Synergy Oil & Gas, Inc. (A), San Patricio County, 6 thousand reported
HIRSCH ESTATE 2094 — gas, Enron Oil & Gas Company, Webb County, 6 thousand reported
SMITH, ORA L. — gas, Geronimo Oil Co., San Patricio County, 6 thousand reported
GOLLIDAY, A. H. — gas, Union Pacific Resources Company, Nueces County, 6 thousand reported
GALVAN "R" — gas, Legend Natural Gas III, LP, Webb County, 6 thousand reported
WELCH, ROBERT A. FOUNDATION — gas, Altalay STX LLC, Zapata County, 6 thousand reported
BENNETT, MILLS ESTATE — oil, Southwest Oil & Land, Inc., Brooks County, 6 thousand reported
WELDER — oil, Oil Coast Corp., San Patricio County, 6 thousand reported
BRANN, REGINA "SIDETRACK" — gas, Greenbrier Oper. Co., Hidalgo County, 6 thousand reported
BENAVIDES, ROSA — oil, Rowden Oil & Gas, Inc., Webb County, 6 thousand reported
VELA — gas, Noble Energy Inc, Duval County, 6 thousand reported
GORMAN GAS UNIT — gas, Arco Oil & Gas Co., Duval County, 6 thousand reported
CRITZ — gas, P-R-O Management, Inc., Nueces County, 6 thousand reported
ARCO MELCH & VOLZ ET AL UNIT — gas, Arco Oil & Gas Co., Hidalgo County, 6 thousand reported
KING RANCH EAST LAURELES — gas, Exxon Corp., Nueces County, 6 thousand reported
FROST TRUST — gas, Austin Resources Corporation, Webb County, 6 thousand reported
LONDON-WARD UNIT — oil, Kriken Oil & Gas, Nueces County, 6 thousand reported
ZOCH — gas, Mccombs Energy LLC, Webb County, 6 thousand reported
DUGGER — oil, Marquee Corporation, Nueces County, 6 thousand reported
BASS — oil, Dugger, Glenn, Starr County, 6 thousand reported
THOMPSON UNIT — gas, Atapco, Nueces County, 6 thousand reported
BENTSEN TRACT I — gas, Samson Lone Star LP, Starr County, 6 thousand reported
SARITA FIELD OIL & GAS UNIT — gas, Exxon Corp., Kenedy County, 6 thousand reported
MCALLEN FIELDWIDE UNIT — gas, Fina Oil & Chemical Company, Hidalgo County, 6 thousand reported
CANALES, P. — gas, Oryx Energy Company, Jim Wells County, 6 thousand reported
SHAFFER RANCH — oil, Moose Oil & Gas Co., Jim Wells County, 6 thousand reported
EWING, J. H. — oil, Marquee Corporation, Nueces County, 6 thousand reported
BROWN. — oil, Geiser, D. Allen, Nueces County, 6 thousand reported
LA PERLA — gas, Conoco Inc., Zapata County, 6 thousand reported
SULLIVAN DEEP "B" — gas, Maguire Oil Company, Brooks County, 6 thousand reported
CNG GAS UNIT IV — gas, Smith Production Inc., Hidalgo County, 6 thousand reported
BLACKNALL, J. C. — gas, Synergy Oil & Gas, Inc. (A), Nueces County, 6 thousand reported
SULLIVAN, D. J. — gas, Maguire Oil Company, Brooks County, 6 thousand reported
GUERRA SHARE 180-A — gas, Texaco E & P Inc., Starr County, 6 thousand reported
RADFORD — oil, Windrush Operating Co., L.L.C., Kleberg County, 6 thousand reported
PARR, J.R. — oil, Hedrick Production Inc., Nueces County, 6 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.