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San Joaquin County, CA oil and gas wells

1,249 wells: 100 active, 1,007 plugged, run by 239 operators.

Figures from the California Geologic Energy Management Division (CalGEM), updated 2026-10-19.

Top operators in San Joaquin

OperatorActiveWells here
Pacific Gas and Electric Company73123
Lodi Gas Storage, L.L.C.2230
California Resources Production Corporation4160
Fisk Family Farms , LLC12
Chevron U.S.A. Inc.098
Great Basins Petroleum Co.052
Arcady Oil Company043
Union Oil Company of California032
Phillips Petroleum Company022
Amerada Hess Corp.021
Occidental Petroleum Corporation018
Atlantic Oil Company016
UMC Petroleum Corp.016
ABA Energy Corporation014
Towne Exploration Company, LP014
Arco Western Energy Co.013
Capitol Oil Corporation013
Shell Western E&P Inc.013
TXO Production Corp.013
Exxon Mobil Corporation012
John M. Young012
EOG Resources, Inc.011
Petrogulf Corporation011
Porter Sesnon et al011
Venoco, LLC011

Wells

Not plugged · All wells · Plugged · Orphaned

WellAPI / IDStatusTypeOperator
Blossom 32-1 04-077-20557Plugged Dry holeEOG Resources, Inc.
Blossom 1 04-077-20606Plugged GasRoyale Energy, Inc.
Blossom Community 1 04-077-00182Plugged Dry holeAmerada Hess Corp.
Blossom Community 7 04-077-00219Plugged GasChevron U.S.A. Inc.
Blossom Community 6 04-077-00220Plugged GasChevron U.S.A. Inc.
Blossom Community 5 04-077-00221Plugged Dry holeChevron U.S.A. Inc.
Blossom Community 4 04-077-00222Plugged GasChevron U.S.A. Inc.
Blossom Community 3 04-077-00223Plugged GasChevron U.S.A. Inc.
Blossom Community 2 04-077-00224Plugged Dry holeChevron U.S.A. Inc.
Blossom Community 1 04-077-00225Plugged GasChevron U.S.A. Inc.
Boer 1 04-077-00374Plugged Dry holeGreat Basins Petroleum Co.
Boether 23-6 04-077-20340Plugged Dry holeDekalb Energy Co.
Bogetti 1 04-077-20186Plugged Dry holeValwood Production Company
Bomberger 1 04-077-20059Plugged Dry holeTowne Exploration Company, LP
Bomberger 1 04-077-20604Plugged Dry holeGary Drilling Company
Borges 1-7 04-077-20417Plugged Dry holeHamilton Brothers Oil Company
Bouldin 1-14 04-077-20490Plugged Dry holeStockdale Energy Co.
Bouldin Development Co. 1 04-077-20217Plugged Dry holeUnion Oil Company of California
Brack Community B 04-077-00302Plugged Dry holeChevron U.S.A. Inc.
Brazos-Harden 1-5 04-077-20063Plugged Dry holeW. W. Holmes, Operator
Brazos-McGillivray 1 04-077-00198Plugged Dry holeE. C. Brown, Operator
Brazos-Sunray M & T 2 04-077-00138Plugged GasBrazos Oil and Gas Company
Brazos-Sunray M & T 3 04-077-00139Plugged GasBrazos Oil and Gas Company
Brazos-Sunray M & T 4 04-077-00140Plugged Dry holeBrazos Oil and Gas Company
Breitenbucher 1-11 04-077-20571Plugged Dry holeRancho Energy Consultants Inc
Brichetto 1 04-077-00349Plugged Dry holeOccidental Petroleum Corporation
Brocchini 1-4 04-077-20505Plugged Dry holeQuintana Petroleum Corporation
Brocchini 4-1 04-077-20602Plugged Dry holeAspen Exploration Corporation
Brovelli 1-8 04-077-20487Plugged Dry holeQuintana Petroleum Corporation
Brovelli 1 04-077-20506Plugged Dry holeCoastal Oil and Gas Corporation
Bumgarner 1-21 04-077-00373Plugged Dry holeTesoro Petroleum Corp.
Burchell 2 04-077-00218Plugged Dry holeHunnicutt & Camp Drilling Co.
Burchell et al Unit 1 04-077-00235Plugged GasBrazos Oil and Gas Company
Buttes-Coldani 15-44X 04-077-20367Plugged GasArgo Petroleum Corp.
Buttes-Fox 15-37X 04-077-20379Plugged Dry holeArgo Petroleum Corp.
Buttes-Rio Blanco 15-77X 04-077-20381Plugged Dry holeArgo Petroleum Corp.
C.C. Long 1 04-077-00580Plugged Dry holeOccidental Petroleum Corporation
CMI Gianelli 2 04-077-20714Plugged GasCastle Minerals
CMI Giovannoni 1 04-077-20701Plugged GasCastle Minerals
CMI New Hope 1 04-077-20702Plugged GasCastle Minerals
CPC-Hatch 31-1 04-077-20456Plugged Dry holePrima Oil & Gas Company
CPC-Zuckerman-Mandeville 1 04-077-20313Plugged Dry holeThe Dow Chemical Company
Calif. Packing Corp. 1 04-077-00304Plugged Dry holeAmerada Hess Corp.
California Packing Corp. 1 04-077-00309Plugged Dry holeBrazos Oil and Gas Company
Calpack 1 04-077-20009Plugged Dry holeRichard S. Rheem, Operator
Calpak 10-3 04-077-00305Plugged Dry holeFranco Western Oil Company
Canal Ranch 1 04-077-00534Plugged Dry holeMormac Oil & Mining Co.
Canal Ranch Unit One 1 04-077-00527Plugged Dry holeChevron U.S.A. Inc.
Capital Co. 2-1 04-077-00173Plugged GasChevron U.S.A. Inc.
Capital Fraser 19-1 04-077-00508Plugged Dry holeMobil Oil Corporation
Capitol 1 04-077-20102Plugged Dry holeAlpine Oil & Gas Corp.
Cardoza 1 04-077-00248Plugged Dry holeJohn M. Young
Champlin River Investment et a 30-1 04-077-20361Plugged Dry holeHamilton Brothers Oil Company
Champlin-Isola 1 04-077-20453Plugged GasG-W Resources Oper. Co.
Champlin-Isola 2 04-077-20489Plugged Dry holeG-W Resources Oper. Co.
Chase, C.D. 1 04-077-00486Plugged Dry holeBrown Drilling Co.
Chevron-Blossom-Community 1-29 04-077-20331Plugged Dry holeUnion Pacific Resources Co.
Chevron-Shell Lange 1-29 04-077-20320Plugged Dry holeUnion Pacific Resources Co.
Christian-Palmer 1-13 04-077-00104Plugged GasGreat Basins Petroleum Co.
Christiana-H & B 1-19 04-077-00101Plugged GasTowne Exploration Company, LP
Christiana-Lake 63-24 04-077-00102Plugged GasGreat Basins Petroleum Co.
Christiana-Lake 73-23 04-077-00103Plugged Dry holeTriton Oil & Gas Corp.
Cities Service-Allied Properti 1 04-077-20262Plugged Dry holeThe Dow Chemical Company
Citizens 1 04-077-00565Plugged GasPacific Gas and Electric Company
Citizens 2 04-077-00566Plugged GasPacific Gas and Electric Company
City of Lodi 1 04-077-20290Plugged Dry holeGreat Basins Petroleum Co.
City of Tracy 1 04-077-20309Plugged Dry holeDavis Oil Co.
Clever 1-31 04-077-20249Plugged Dry holeMobil Oil Exploration & Production North America, Inc.
Clever 1 04-077-20373Plugged Dry holeThe Dow Chemical Company
Cochran Co. Inc., et al 1 04-077-20070Plugged Dry holeGreat Basins Petroleum Co.
Coldani 1 04-077-20666Plugged Dry holeCalifornia Resources Production Corporation
Coldani Corehole 1 04-077-00507Plugged ServiceAmerada Hess Corp.
Community 1-1 04-077-00020Plugged GasAmerada Hess Corp., Operator
Community 2-1 04-077-00025Plugged Dry holePhillips Petroleum Company
Community 3-1 04-077-00072Plugged ServiceLodi Gas Storage, L.L.C.
Community 1 2 04-077-20054Plugged Dry holeAmerada Hess Corp., Operator
Community 14-23 1 04-077-00067Plugged Dry holeAmerada Hess Corp., Operator
Community 15 2 04-077-20053Plugged Dry holeAmerada Hess Corp., Unit Operator
Community 22 A-1 04-077-00073Plugged Dry holePhillips Petroleum Company
Community 7 1 04-077-00019Plugged Dry holeAmerada Hess Corp.
Community 8 1 04-077-00064Plugged Dry holeAmerada Hess Corp.
Community One 18-5 04-077-00071Plugged Dry holeD. D. Dunlap
Connolly 1 04-077-00576Plugged Dry holeChevron U.S.A. Inc.
Cookson 1 04-077-20368Plugged Dry holeNareco Corp.
Core Hole Atkins Kroll 1 04-077-00506Plugged ServiceAmerada Hess Corp.
Core Hole G. & P. 1 04-077-00511Plugged ServiceAmerada Hess Corp.
Correia 1 04-077-00344Plugged Dry holeTiger Oil Co.
Cortopassi 1 04-077-00475Plugged Dry holeChevron U.S.A. Inc.
Cotta 2 04-077-20280Plugged Dry holeD. J. Pickrell, Operator
Cowell Foundation 4 04-077-00205Plugged Dry holeChevron U.S.A. Inc.
Cowell Foundation 3 04-077-00206Plugged GasChevron U.S.A. Inc.
Cowell Foundation 2 04-077-00207Plugged GasChevron U.S.A. Inc.
Cowell Foundation et al 1 04-077-20718Plugged GasKelpetro Operating, Inc.
Cowell Matthias P.A. 1 04-077-00204Plugged Dry holeChevron U.S.A. Inc.
Crittenden 63-X 04-077-00367Plugged Dry holeEmpire State Oil Co.
Crittenden 1 04-077-20311Plugged Dry holeG. R. Nance Co., Inc.
Curran 1 04-077-00407Plugged Dry holeShell Western E&P Inc.
Cusumano 5-1 04-077-20051Plugged Dry holeArcady Oil Company
Cusumano 5-2 04-077-20058Plugged OtherArcady Oil Company
DW 33-1 04-077-20654Plugged GasStream Energy, Inc.

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