Oil and gas leases in San Patricio County — page 7

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 7 of 7

CRYER-DOUGLAS UNIT — oil, Welder Exploration & Prod., Inc., San Patricio County, 354 reported
BLASCHKE & MAYO TR. 1 — oil, Exxon Corp., San Patricio County, 352 reported
WILLIAMS, JAMES P. — gas, Harvey, Mike W. Oil & Gas, San Patricio County, 339 reported
BEYER, MONROE — oil, Petro-Guard Company, Inc., San Patricio County, 332 reported
JONES, C. V. — gas, Geronimo Oil Co., San Patricio County, 330 reported
BRITTAIN, J. L. — oil, Pullin Lease Service, Inc., San Patricio County, 330 reported
SOLAR-FICKE — oil, American Shoreline, Inc., San Patricio County, 315 reported
WELDER EFH UNIT — oil, Welder Exploration & Prod., Inc., San Patricio County, 305 reported
KELLOG, L. M. — gas, Marathon Oil Company, San Patricio County, 297 reported
WELCH — gas, American Shoreline, Inc., San Patricio County, 286 reported
WELDER, MINNIE S. — oil, Mobil Producing TX. & N.M. Inc., San Patricio County, 283 reported
WELDER, MINNIE S. — oil, Abraxas Production Corporation, San Patricio County, 270 reported
WELDER, J. F., HRS. — oil, Pearl, Bill H. Productions, Inc., San Patricio County, 268 reported
BEYER, MONROE — oil, Petro-Guard Company, Inc., San Patricio County, 258 reported
HOCO FEE — gas, Tierra Mineral Development, L.C., San Patricio County, 257 reported
MAUCH-ROOTS UNIT — oil, Welder Exploration & Prod., Inc., San Patricio County, 257 reported
ST. NUECES BAY -ABC- GAS UNIT — gas, Comstock Oil & Gas, Inc., San Patricio County, 244 reported
SMITH, CARL S. — gas, Geronimo Oil Co., San Patricio County, 243 reported
SOLAR-FICKE — gas, Marathon Oil Company, San Patricio County, 231 reported
SCHMIDT — oil, Null, W.M. Operations, Inc., San Patricio County, 231 reported
STATE TRACT 974 — oil, Mego Resources, LLC, San Patricio County, 231 reported
WELDER, J. F. UNIT — oil, Texaco E & P Inc., San Patricio County, 227 reported
KLATT — oil, Cimarron Engineering, LLC, San Patricio County, 227 reported
STATE TRACT 4 — oil, Intercoastal Energy, Inc., San Patricio County, 221 reported
ZIMMERMAN — gas, Hays, T.G. Petroleum Expl., Inc., San Patricio County, 212 reported
MARYLAND TRUST CO. -A- — oil, Fina Oil & Chemical Company, San Patricio County, 211 reported
WELDER, J. F. UNIT — oil, Texaco E & P Inc., San Patricio County, 209 reported
MOORE, J. D. — oil, Gohlke Farms, Inc., San Patricio County, 200 reported
WILLMANN — gas, Mcguffin, Joe S. Inc., San Patricio County, 194 reported
SMITH, CARL S. — oil, Geronimo Oil Co., San Patricio County, 191 reported
MAEDGEN & SONS, INC — gas, Dewbre Petroleum Corporation, San Patricio County, 189 reported
LITTLE VRANA — gas, Alta Mesa Services, LP, San Patricio County, 189 reported
VICKERS, FARRAH E. — oil, Gohlke Farms, Inc., San Patricio County, 185 reported
PICKENS, A. C. -B- — oil, Pearl, Bill H. Productions, Inc., San Patricio County, 171 reported
SMITH, N. R. — oil, Energen Resources Corporation, San Patricio County, 169 reported
SMITH, ORA L. — oil, Geronimo Oil Co., San Patricio County, 162 reported
HEINEMEYER, L.C. — oil, Alta Mesa Services, LP, San Patricio County, 160 reported
TEETER, J. A. — oil, Hawthorne Oil And Gas Corp., San Patricio County, 159 reported
IVEY, B. E. C — oil, Hart, Rodney J., P.E., San Patricio County, 158 reported
WELDER, R. H. -H- — oil, Intercity Management Corp., San Patricio County, 154 reported
SCHNEIDER, E. — gas, Reserve Operating Corp., San Patricio County, 139 reported
JACKSON RANCH — gas, Cimarron Engineering Corp., San Patricio County, 136 reported
HUTTO — oil, Hawthorne Oil And Gas Corp., San Patricio County, 130 reported
BAYDER — oil, Nu-San Energy, San Patricio County, 127 reported
SMITH-NIELSEN UNIT — oil, Westside Production Co., San Patricio County, 123 reported
MOORE, DANIEL P. — oil, Geronimo Oil Co., San Patricio County, 116 reported
JONES, C.V. — oil, Geronimo Oil Co., San Patricio County, 115 reported
BELL VALLEY — oil, Eog Resources, Inc., San Patricio County, 105 reported
WELDER-GULLEY — oil, Mertz Energy LLC, San Patricio County, 102 reported
WELDER, J. F. UNIT — oil, Texaco E & P Inc., San Patricio County, 101 reported
MCKAMEY — oil, Dreyfus, Louis Natural Gas Corp, San Patricio County, 100 reported
TAFT GIN AND SEED CO., INC. — oil, Blackland Oil & Gas, San Patricio County, 99 reported
EWING -C- — oil, TNT Petroleum Company, Inc., San Patricio County, 82 reported
JONES, C. V. — oil, Geronimo Oil Co., San Patricio County, 81 reported
FAY UNIT — gas, Modern Exploration, Inc., San Patricio County, 79 reported
WELDER, R. H. -H- — oil, Intercity Management Corp., San Patricio County, 77 reported
HUNTSINGER — oil, Legacy Oil & Gas, Inc., San Patricio County, 75 reported
ANGELITA UNIT — oil, Republic Resources, LLC., San Patricio County, 73 reported
STEINKRAUS — oil, Norco Oil & Gas, Inc., San Patricio County, 65 reported
BAKER, K. K. — gas, Texacal, Inc., San Patricio County, 63 reported
SMITH,CARL S. — gas, Geronimo Oil Co., San Patricio County, 60 reported
WELDER, E.H. "E" — oil, Marathon Oil Company, San Patricio County, 55 reported
NUECES BAY ST 688 — gas, Eog Resources, Inc., San Patricio County, 54 reported
JACKSON RANCH — gas, Ampak Oil Company, San Patricio County, 48 reported
NELSON-GEORGE — gas, New Horizon Investments Ltd., San Patricio County, 47 reported
WELDER, R. H. -H- — oil, Intercity Management Corp., San Patricio County, 45 reported
JONES, C.V. — gas, Geronimo Oil Co., San Patricio County, 40 reported
MAYO -B- — oil, Pearl, Bill H. Productions, Inc., San Patricio County, 37 reported
WELDER GU — gas, Suemaur Expl. & Prod., LLC, San Patricio County, 35 reported
JONES, C. V. — gas, Geronimo Oil Co., San Patricio County, 30 reported
JONES, C. V. — gas, Geronimo Oil Co., San Patricio County, 30 reported
CITY OF PORTLAND GAS UNIT -C- — gas, Bell, Kelly Inc., San Patricio County, 22 reported
DAWE — oil, Xto Energy Inc., San Patricio County, 22 reported
JONES, C.V. — gas, Geronimo Oil Co., San Patricio County, 20 reported
JONES, NEVEDA ET AL — gas, Geronimo Oil Co., San Patricio County, 20 reported
WELDER, WEIL — oil, Kebo Oil & Gas, Inc., San Patricio County, 18 reported
MOORE, DANIEL P. — oil, Geronimo Oil Co., San Patricio County, 14 reported
WELDER, MINNIE S. — gas, Abraxas Petroleum Corporation, San Patricio County, 12 reported
GODWIN, J. W. — oil, Exxon Corp., San Patricio County, 10 reported
JONES, C.V. — oil, Geronimo Oil Co., San Patricio County, 8 reported
MCKAMEY B-2 UNIT — gas, Eland Energy, Inc., San Patricio County, 6 reported
BAYDER, E. — oil, Nu-San Energy, San Patricio County, 6 reported
GUARANTY NATIONAL BANK TRUSTEE — oil, Faucette, E. W., San Patricio County, 5 reported
WELDER, J. F., UNIT — oil, Texaco E & P Inc., San Patricio County, 4 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.