Oil and gas leases in San Patricio County — page 6

San Patricio County, Texas has 1,284 oil and gas leases with production on file at the Railroad Commission. 440 of them are oil leases and 844 are gas leases. Between them they carry 1,899 wellbores. Reported volumes run from January 1993 to August 2026 and come to 16.0 million barrels of oil and 417.5 million Mcf of gas. 251 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 San Patricio County

How many oil and gas leases are in San Patricio County?: San Patricio County has 1,284 oil and gas leases with production reported to the Railroad Commission of Texas, as of August 2026.
How much oil and gas has San Patricio County produced?: Leases in San Patricio County have reported 16,042,912 barrels of oil (bbl) and 417,529,419 thousand cubic feet of gas (Mcf) to the Railroad Commission of Texas between January 1993 and August 2026.
How many operators are active in San Patricio County?: 251 operators file production returns for leases in San Patricio County.
How much are mineral rights in San Patricio County worth?: There is no single figure: what a mineral or royalty interest in San Patricio County is worth depends on the individual lease, its decline, and the share the owner holds. Each of the 1,284 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 6 of 7

WELDER, J.F. UNIT — gas, Texaco E & P Inc., San Patricio County, 4 thousand reported
CRANE, M. E. — oil, KC Resources, Inc., San Patricio County, 4 thousand reported
CRANE, M. E. — oil, KC Resources, Inc., San Patricio County, 4 thousand reported
VANECEK GAS UNIT — gas, Magnum Producing & Operating Co., San Patricio County, 4 thousand reported
GEORGE — oil, Mortimer Production Company, San Patricio County, 4 thousand reported
WOODSON, BLANCA — oil, Slawson Exploration Company, Inc, San Patricio County, 4 thousand reported
WELDER, E. H. -E-F- — gas, Chiltipin Production Company, San Patricio County, 4 thousand reported
STATE TRACT 25 — oil, Penn Virginia Oil & Gas Corp., San Patricio County, 4 thousand reported
BAYDER-MONTGOMERY, E. — gas, Ernest Operating Company, San Patricio County, 4 thousand reported
KASTNER, ALBERT — gas, New Horizon Investments Ltd., San Patricio County, 4 thousand reported
FRWL — gas, Poco LLC, San Patricio County, 4 thousand reported
DIMMICK — oil, Dinero Oil Corporation, San Patricio County, 4 thousand reported
WELDER, J. F., UNIT — oil, Texaco E & P Inc., San Patricio County, 4 thousand reported
MAUCH — oil, Welder Exploration & Prod., Inc., San Patricio County, 4 thousand reported
ADAMS ESTATE — oil, Aransas DRLG & Workover Co Inc, San Patricio County, 4 thousand reported
WHATLEY, BAYLOR — oil, Kebo Oil & Gas, Inc., San Patricio County, 4 thousand reported
BEYER — oil, Edge Petroleum Oper. Co., Inc., San Patricio County, 4 thousand reported
WELDER HEIRS SW ODEM — gas, Eog Resources, Inc., San Patricio County, 4 thousand reported
PARKER, C. C. "A" — gas, Texaco E & P Inc., San Patricio County, 4 thousand reported
BAKER, KATHERINE K. — gas, Richman Petroleum Corp., San Patricio County, 4 thousand reported
CITY OF PORTLAND GAS UNIT C — gas, Bell, Kelly Inc., San Patricio County, 4 thousand reported
WHITE POINT DEVELOPMENT CO — gas, MPG Petroleum, Inc., San Patricio County, 4 thousand reported
BAYDER-MONTGOMERY, E. — gas, Petroleum Resource Management Co, San Patricio County, 4 thousand reported
MAYFIELD — gas, Ceniza Petroleum, Inc., San Patricio County, 4 thousand reported
WELDER, E. H. — oil, Cummins & Walker Oil Co., Inc., San Patricio County, 4 thousand reported
ST. NUECES BAY -ABC- GAS UNIT — gas, Comstock Oil & Gas, Inc., San Patricio County, 4 thousand reported
WELDER, R. H. -B- — oil, Marathon Oil Company, San Patricio County, 4 thousand reported
WELDER CXO — gas, Consolidated Petro Ptnrs I, LLC, San Patricio County, 4 thousand reported
THOMAS — oil, American Shoreline, Inc., San Patricio County, 4 thousand reported
WELDER, MINNIE S. — oil, Abraxas Petroleum Corporation, San Patricio County, 4 thousand reported
WELDER C — gas, Eog Resources, Inc., San Patricio County, 4 thousand reported
BLANKMEYER-REVARE — oil, A-G-B, Inc., San Patricio County, 4 thousand reported
TAFT GIN AND SEED CO C — oil, Arrowhead Petroleum, L.L.C., San Patricio County, 4 thousand reported
BURROWS, J. C. & J. S. — gas, Southern Bay Operating, L.L.C., San Patricio County, 3 thousand reported
TEX. MED. PROF. BLDG. CORP. — gas, Samson Lone Star LP, San Patricio County, 3 thousand reported
FISCHER, NELLIE I. UNIT — oil, Mo-Jon, Inc., San Patricio County, 3 thousand reported
KIRK, J. R. — oil, Hawthorne Oil And Gas Corp., San Patricio County, 3 thousand reported
CORPUS CHRISTI BANK & TRUST — oil, Mortimer Exploration Company, San Patricio County, 3 thousand reported
FORD, MARIE WELDER — oil, Sydri Operating, LLC, San Patricio County, 3 thousand reported
WELDER, E. H. -E- — gas, Marathon Oil Company, San Patricio County, 3 thousand reported
COGGIN, DANIEL I. JR. ET AL — gas, Geronimo Oil Co., San Patricio County, 3 thousand reported
SCHMIDT — gas, Aransas DRLG & Workover Co Inc, San Patricio County, 3 thousand reported
COGGIN, DANIEL I JR. ET AL — oil, Geronimo Oil Co., San Patricio County, 3 thousand reported
WELDER, E.H. -E- — oil, Marathon Oil Company, San Patricio County, 3 thousand reported
MCCANN, OLA — oil, Triple 'A' Energy, Inc., San Patricio County, 3 thousand reported
WELDER, R. H. A — gas, Smith Production Inc., San Patricio County, 3 thousand reported
MCDANIEL — oil, Paleo Oil Company LLC, San Patricio County, 3 thousand reported
WELDER, E.H. — oil, Five-Jab, Inc., San Patricio County, 3 thousand reported
ELLIS, R. R. — gas, Smith Production Inc., San Patricio County, 3 thousand reported
WELDER, J.F. UNIT — gas, Southern Bay Operating, L.L.C., San Patricio County, 3 thousand reported
STATE NUECES BAY TRACT 974 — gas, Tierra Mineral Development, L.C., San Patricio County, 3 thousand reported
MORRIS, LILLIAN S., ET AL — oil, Geronimo Oil Co., San Patricio County, 3 thousand reported
MORRIS, LILLIAN S., ET AL — oil, Geronimo Oil Co., San Patricio County, 3 thousand reported
KIRK, C. B. — oil, Dorado Oil Company, San Patricio County, 3 thousand reported
MAYO-BLASCHKE UNIT NO. 1 — oil, Sandalwood Exploration, L.P., San Patricio County, 3 thousand reported
ROOTS, W. L. — oil, Lampert Exploration Corporation, San Patricio County, 3 thousand reported
TAYLOR, SHIRLEY — oil, Virtex Petroleum Company, Inc., San Patricio County, 3 thousand reported
LANG GAS UNIT — gas, Dominion Oklahoma Texas E&P, Inc, San Patricio County, 3 thousand reported
GEORGE — oil, DML Exploration, Inc., San Patricio County, 3 thousand reported
HUNT, JOHN JR. — gas, Hewitt, Robert J., San Patricio County, 3 thousand reported
PICHA UNIT — gas, Kebo Oil & Gas, Inc., San Patricio County, 3 thousand reported
WELDER 'G' — oil, Hazelett Oil, Inc., San Patricio County, 3 thousand reported
DIMMICK — oil, Fina Oil & Chemical Company, San Patricio County, 3 thousand reported
MAUCH-ANGELINE UNIT A — oil, Welder Exploration & Prod., Inc., San Patricio County, 3 thousand reported
BARRY-GREEN — oil, A-G-B, Inc., San Patricio County, 3 thousand reported
SOUTHWEST TEXAS CORP — oil, Poco LLC, San Patricio 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
FOWLER — oil, Mortimer Exploration Company, San Patricio County, 2 thousand reported
ZIMMERMAN — oil, Aransas DRLG & Workover Co Inc, San Patricio County, 2 thousand reported
GERDES, C.H. — oil, Coastal Bend Petroleum Corp., San Patricio County, 2 thousand reported
STATE TRACT 975 — oil, Mego Resources, LLC, San Patricio County, 2 thousand reported
PERSON, FRIEDA UNIT — gas, Reserve Operating Corp., San Patricio County, 2 thousand reported
J. LAWHON — oil, B D Production Co., Inc., San Patricio County, 2 thousand reported
PERSON, F. — oil, Reserve Operating Corp., San Patricio County, 2 thousand reported
LLD-MOONRAKER UNIT — oil, Poco LLC, San Patricio County, 2 thousand reported
MARIE WELDER FORD — oil, Sydri Operating, LLC, San Patricio County, 2 thousand reported
WELDER, MINNIE S. — gas, Abraxas Petroleum Corporation, San Patricio County, 2 thousand reported
FORD, M. W. — oil, Prime Operating Company, San Patricio County, 2 thousand reported
PYRON, B. J. — oil, Whiting Petroleum Corporation, San Patricio County, 2 thousand reported
BALDWIN — gas, Olsen Energy Inc., San Patricio County, 2 thousand reported
WELDER, MINNIE S. — oil, Abraxas Production Corporation, San Patricio County, 2 thousand reported
MARTINEZ/SCHMIDT UNIT — oil, M & S Exploration, San Patricio County, 2 thousand reported
J. H. HARVEY UNIT — oil, Magnum Producing & Operating Co., San Patricio County, 2 thousand reported
HUNTER, FLORENCE — gas, Dinero Oil Corporation, San Patricio County, 2 thousand reported
WELCH — oil, American Shoreline, Inc., San Patricio County, 2 thousand reported
DINN, W. L. -A- — gas, Dinero Oil Corporation, San Patricio County, 2 thousand reported
WELDER G U — oil, Suemaur Expl. & Prod., LLC, San Patricio County, 2 thousand reported
LONDON — gas, Graham Royalty, Ltd., San Patricio County, 2 thousand reported
STATE TRACT 975 — oil, Mego Resources, LLC, San Patricio County, 2 thousand reported
JONES, NEVADA, ET AL — oil, Geronimo Oil Co., San Patricio County, 2 thousand reported
KIRK, C.B. — gas, Dorado Oil Company, San Patricio County, 2 thousand reported
FLINN, L. C. — oil, Venus Exploration, Inc., San Patricio County, 2 thousand reported
AQUILA-SVADLENAK — gas, Slawson Exploration Company, Inc, San Patricio County, 2 thousand reported
BAPTIST FOUNDATION OF TX ET AL — oil, Anderson Oil Ltd., San Patricio County, 2 thousand reported
DLF GAS UNIT — gas, Dreyfus, Louis Natural Gas Corp, San Patricio County, 2 thousand reported
WELDER "C" — oil, Sydri Operating, LLC, San Patricio County, 2 thousand reported
CHILTIPIN STATE TRACT #2 — oil, Intercity Management Corp., San Patricio County, 2 thousand reported
GREEN ESTATE GAS UNIT "B" — oil, Encino Exploration, Inc., San Patricio County, 2 thousand reported
SMITH, N. R. — gas, Southern Bay Operating, L.L.C., San Patricio County, 2 thousand reported
FORD, MARIE WELDER — oil, Sydri Operating, LLC, San Patricio County, 2 thousand reported
NELSON-GEORGE — oil, New Horizon Investments Ltd., San Patricio County, 2 thousand reported
PAINTER — oil, JWG Operating, Inc., San Patricio County, 2 thousand reported
REYNOLDS — oil, Paleo Oil Company LLC, San Patricio County, 2 thousand reported
EXXON-SPEER FEE — gas, Mugg, John D. JR., San Patricio County, 2 thousand reported
SOLAR-FICKE — gas, American Shoreline, Inc., San Patricio County, 2 thousand reported
BELL, JEFFERSON — oil, Geronimo Oil Co., San Patricio County, 2 thousand reported
HUNT,JOHN W.JR. — gas, Hewitt, Robert J., San Patricio County, 2 thousand reported
ROOTS, WALTER — oil, Kriken Oil & Gas, Inc., San Patricio County, 1 thousand reported
EXXON SPEER FEE — gas, Mugg, John D. JR., San Patricio County, 1 thousand reported
WHITE POINT DEVELOPMENT COMPANY — gas, Score Energy Company, San Patricio County, 1 thousand reported
DIMMICK, A.J. — oil, Fina Oil & Chemical Company, San Patricio County, 1 thousand reported
STATE TRACT 974 — oil, Mego Resources, LLC, San Patricio County, 1 thousand reported
WELDER, R. H. — oil, Smith Production Inc., San Patricio County, 1 thousand reported
KIRK, C.B. — gas, Dorado Oil Company, San Patricio County, 1 thousand reported
WELDER, E. H. "E" — oil, Cummins & Walker Oil Co., Inc., San Patricio County, 1 thousand reported
MORRIS, MARILYN — oil, Geronimo Oil Co., San Patricio County, 1 thousand reported
GERDES — gas, Coastal Bend Petroleum Corp., San Patricio County, 1 thousand reported
DIX — oil, Double Play Oil & Gas, San Patricio County, 1 thousand reported
LANE, S.L. — oil, Smith Production Inc., San Patricio County, 1 thousand reported
SHARP, D. TRUSTEE-GERDES — gas, Ernest Operating Company, San Patricio County, 1 thousand reported
HARVEY — oil, Forza Operating, LLC, San Patricio County, 1 thousand reported
SMITH, ORA L. — gas, Geronimo Oil Co., San Patricio County, 1 thousand reported
DIX — oil, Ellsworth, H. P. O&G Properties, San Patricio County, 1 thousand reported
SMITH, ORA L. — gas, Geronimo Oil Co., San Patricio County, 1 thousand reported
SMITH — gas, Carter E&P, LLC, San Patricio County, 1 thousand reported
MCKAMEY-TAYLOR GU — gas, Eog Resources, Inc., San Patricio County, 1 thousand reported
WHITE POINT DEVELOPMENT CO. -B- — gas, Score Energy Company, San Patricio County, 1 thousand reported
GALLAGHER — oil, Virtex Petroleum Company, Inc., San Patricio County, 1 thousand reported
TAFT SYNDICATE — gas, Killam Oil Company, San Patricio County, 1 thousand reported
WELDER — gas, Hazelett Oil, Inc., San Patricio County, 1 thousand reported
COGGIN, JR.,DANIEL I., ET AL -B- — oil, Geronimo Oil Co., San Patricio County, 1 thousand reported
HUNT GAS UNIT — oil, Whiting Petroleum Corporation, San Patricio County, 1 thousand reported
BAKER, KATHERINE — oil, Texacal, Inc., San Patricio County, 1 thousand reported
SMITH, ORA L. — gas, Geronimo Oil Co., San Patricio County, 1 thousand reported
DIMMICK — oil, Synergy Production Company, San Patricio County, 1 thousand reported
WELDER, E. H., -E- — oil, Marathon Oil Company, San Patricio County, 1 thousand reported
MORRIS — oil, Inland Ocean, Inc., San Patricio County, 1 thousand reported
PERSON, AUGUST — oil, Bettis, Boyle & Stovall, San Patricio County, 985 reported
FRANCO — oil, Sulphur River Exploration, Inc., San Patricio County, 982 reported
WELDER "E" — gas, Scana Petroleum Resources, Inc., San Patricio County, 981 reported
WELDER, J. F. UNIT — oil, Texaco E & P Inc., San Patricio County, 934 reported
SMITH, ORA L. — oil, Geronimo Oil Co., San Patricio County, 932 reported
TEETER, J. A. — oil, Marathon Oil Company, San Patricio County, 915 reported
MAYO-OWEN G.U. — gas, Eog Resources, Inc., San Patricio County, 914 reported
CHILTIPIN CREEK ST TR 3 — oil, South Central Texas Oil & Gas Co, San Patricio County, 913 reported
JONES, FRED B. UNIT — oil, Peoples Energy Prod.-TX, L.P., San Patricio County, 897 reported
WELDER, J. F. UNIT — oil, Texaco E & P Inc., San Patricio County, 878 reported
MCKEOWN, VERA — oil, Mo-Jon, Inc., San Patricio County, 878 reported
BARTOSH GAS UNIT — gas, Magnum Producing & Operating Co., San Patricio County, 876 reported
DRAPER, VERNA G. — gas, Virtex Petroleum Company, Inc., San Patricio County, 861 reported
MORRIS, MARILYN — oil, Geronimo Oil Co., San Patricio County, 857 reported
SOLAR — oil, American Shoreline, Inc., San Patricio County, 855 reported
NYE — oil, Nye Exploration & Prod, L.L.C., San Patricio County, 831 reported
SIMONS GAS UNIT B — gas, Global Natural Resources Corp., San Patricio County, 829 reported
BATOT-RAGSDALE — gas, Austin Resources Corporation, San Patricio County, 823 reported
JOSTES — oil, Mortimer Exploration Company, San Patricio County, 821 reported
WELDER GG — oil, Sandalwood Exploration, L.P., San Patricio County, 791 reported
CORPUS CHRISTI BANK & TRUST — oil, Magnum Producing & Operating Co., San Patricio County, 787 reported
DIMMICK — oil, Dinero Oil Corporation, San Patricio County, 776 reported
COGGIN, DANIEL I. ET AL — gas, Geronimo Oil Co., San Patricio County, 769 reported
PORTER, C.M. — gas, Mcguffin, Joe S. Inc., San Patricio County, 767 reported
WELDER, J. F. UNIT — oil, Texaco E & P Inc., San Patricio County, 743 reported
WELDER, E. H. -C- — gas, Marathon Oil Company, San Patricio County, 706 reported
MAEDGEN, C. A. — gas, Dewbre Petroleum Corporation, San Patricio County, 654 reported
CITY OF SINTON — gas, Scana Petroleum Resources, Inc., San Patricio County, 632 reported
WILLMANN — gas, Mcguffin, Joe S. Inc., San Patricio County, 613 reported
CITY OF CORPUS CHRISTI — gas, Allegro Investments, Inc., San Patricio County, 613 reported
BLACKMAN-HUTTO — gas, Slawson Exploration Company, Inc, San Patricio County, 602 reported
MCGLOIN — oil, Dirnett, Inc., San Patricio County, 586 reported
WELDER, MINNIE S. — oil, Mobil Producing TX. & N.M. Inc., San Patricio County, 574 reported
J. H. HARVEY UNIT — oil, Magnum Producing & Operating Co., San Patricio County, 540 reported
GODWIN, J.W. — oil, Cox Resources Corp., San Patricio County, 533 reported
JURICA — oil, Xog Operating LLC, San Patricio County, 522 reported
CRYER-DOUGLAS UNIT — oil, Welder Exploration & Prod., Inc., San Patricio County, 519 reported
OWEN, J. H. — gas, Marathon Oil Company, San Patricio County, 513 reported
FLINN HEIRS — oil, Fischer Operating Corporation, San Patricio County, 510 reported
BURROWS, J.C. & J.S. — oil, Texaco E & P Inc., San Patricio County, 504 reported
ARETO-SOLAR — oil, American Shoreline, Inc., San Patricio County, 492 reported
COX — oil, Kebo Oil & Gas, Inc., San Patricio County, 489 reported
STATE TRACT 975 — gas, Mego Resources, LLC, San Patricio County, 484 reported
WELDER, MINNIE S. — oil, Abraxas Petroleum Corporation, San Patricio County, 459 reported
WELDER, J. F. HEIRS — oil, Pearl, Bill H. Productions, Inc., San Patricio County, 458 reported
DAWE — oil, Dreyfus, Louis Natural Gas Corp, San Patricio County, 452 reported
P. BAILEY — oil, Cimarron Engineering, LLC, San Patricio County, 448 reported
ROOTS-HAVELKA — oil, Jura Energy Operating LLC, San Patricio County, 445 reported
BAPTIST FOUNDATION — oil, Virtex Petroleum Company, Inc., San Patricio County, 441 reported
SMITH, CARL S. — oil, Geronimo Oil Co., San Patricio County, 441 reported
RITCHIE FARMS — gas, MPG Petroleum, Inc., San Patricio County, 436 reported
MCCAMPBELL — oil, Dinero Oil Corporation, San Patricio County, 430 reported
BELL, JEFFERSON — oil, Geronimo Oil Co., San Patricio County, 410 reported
STATE TRACT 974 — oil, Mego Resources, LLC, San Patricio County, 393 reported
WHITE POINT OIL & GAS — gas, Mego Resources, LLC, San Patricio County, 389 reported
WELDER, J.F. UNIT — oil, Texaco E & P Inc., San Patricio County, 389 reported
WINSAUER — oil, Mortimer Exploration Company, San Patricio County, 383 reported
WELDER C — oil, Eog Resources, Inc., San Patricio County, 371 reported
WELDER "G" — oil, Sandalwood Oil & Gas, Inc., San Patricio County, 367 reported
WELDER, J. F. UNIT — oil, Texaco E & P Inc., San Patricio County, 365 reported
STATE TRACT 974 — gas, Mego Resources, LLC, San Patricio County, 362 reported
GERDES — oil, Coastal Bend Petroleum Corp., San Patricio County, 357 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.