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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
Blewett 1-27 04-077-20560Shut in GasSacramento Energy, Inc.
Blewett Community 9 04-077-00285Active GasFisk Family Farms , LLC
Bowman Road 34-56X 04-077-20563Shut in GasCalifornia Resources Production Corporation
Brooks 10-1 04-077-20493Shut in GasCalifornia Resources Production Corporation
Brooks 10-2 04-077-20501Shut in GasCalifornia Resources Production Corporation
Calcagno 1-34 04-077-20587Shut in GasCalifornia Resources Production Corporation
Calcagno 1-3 04-077-20590Shut in GasCalifornia Resources Production Corporation
Calcagno 1-33 04-077-20591Shut in GasCalifornia Resources Production Corporation
Calcagno 2-34 04-077-20592Shut in GasCalifornia Resources Production Corporation
Calcagno 3-34 04-077-20605Shut in GasCalifornia Resources Production Corporation
Calcagno 4-34 04-077-20631Shut in GasCalifornia Resources Production Corporation
Calcagno 2-33 04-077-20646Shut in GasCalifornia Resources Production Corporation
Calcagno 5-34 04-077-20647Shut in GasCalifornia Resources Production Corporation
Calcagno 1-4 04-077-20705Shut in GasCalifornia Resources Production Corporation
Christiana-Lake 33-24 04-077-00013Shut in GasCalifornia Resources Production Corporation
Citizen Green 1 04-077-20688Shut in GasDiversified Resources, LLC
DW 8-1 04-077-20708Shut in GasEnergeo Resources, LLC
Ellingson Unit 1-21 04-077-20595Shut in GasSacramento Energy, Inc.
Ellingson Unit 2-21 04-077-20671Shut in GasSacramento Energy, Inc.
Ellingson Unit 3-21 04-077-20679Shut in GasSacramento Energy, Inc.
Franzia Bros. 1-33 04-077-20314Shut in GasNorthstar Resources, Inc.
Galli 1 04-077-20278Shut in DisposalCalifornia Resources Production Corporation
Galli 2 04-077-20287Shut in GasCalifornia Resources Production Corporation
Hays 88X-23 04-077-20035Shut in GasCalifornia Resources Production Corporation
J. Ratto 18-1 04-077-20438Shut in DisposalCalifornia Resources Production Corporation
Klein 1-36 04-077-20633Shut in GasCalifornia Resources Production Corporation
LGU M-6 04-077-20651Active StorageLodi Gas Storage, L.L.C.
LGU M-6A 04-077-20652Active StorageLodi Gas Storage, L.L.C.
LGU WD 1 04-077-20640Active DisposalLodi Gas Storage, L.L.C.
LGU WD 2 04-077-20656Active DisposalLodi Gas Storage, L.L.C.
LGZU 501 04-077-00063Active ServiceLodi Gas Storage, L.L.C.
Lake 72-23 04-077-00108Shut in GasCalifornia Resources Production Corporation
Lathrop Unit A 2 04-077-00038Shut in GasCalifornia Resources Production Corporation
Lathrop Unit A 3 04-077-00039Shut in GasCalifornia Resources Production Corporation
Lathrop Unit A 5 04-077-20088Shut in GasCalifornia Resources Production Corporation
Lathrop Unit A 6 04-077-20711Shut in GasCalifornia Resources Production Corporation
Lathrop Unit A 7 04-077-20723Shut in GasCalifornia Resources Production Corporation
Lathrop Unit B 1 04-077-00040Shut in GasCalifornia Resources Production Corporation
Lathrop Unit B 2 04-077-00041Shut in GasCalifornia Resources Production Corporation
Lathrop Unit B 3 04-077-00042Shut in GasCalifornia Resources Production Corporation
Lathrop Unit B 4 04-077-00043Shut in GasCalifornia Resources Production Corporation
Lathrop Unit B 5 04-077-00044Shut in GasCalifornia Resources Production Corporation
Lathrop Unit B 6 04-077-00045Shut in GasCalifornia Resources Production Corporation
Lathrop Unit B 7 04-077-00046Shut in GasCalifornia Resources Production Corporation
Lathrop Unit B 8 04-077-20085Shut in GasCalifornia Resources Production Corporation
Lathrop Unit B 9 04-077-20142Shut in GasCalifornia Resources Production Corporation
Lathrop Unit B 11 04-077-20480Shut in GasCalifornia Resources Production Corporation
Lathrop Unit B 12 04-077-20712Shut in GasCalifornia Resources Production Corporation
Lathrop Unit B 13 04-077-20720Shut in GasCalifornia Resources Production Corporation
Lathrop Unit B 14 04-077-20721Shut in GasCalifornia Resources Production Corporation
Lathrop Unit C 1 04-077-00047Shut in GasCalifornia Resources Production Corporation
Lathrop Unit C 2 04-077-00048Shut in GasCalifornia Resources Production Corporation
Lathrop Unit C 3 04-077-00049Shut in GasCalifornia Resources Production Corporation
Lathrop Unit C 4 04-077-00050Shut in GasCalifornia Resources Production Corporation
Lathrop Unit C 5 04-077-00051Shut in GasCalifornia Resources Production Corporation
Lathrop Unit C 6 04-077-00052Shut in GasCalifornia Resources Production Corporation
Lathrop Unit C 7 04-077-20083Shut in GasCalifornia Resources Production Corporation
Lathrop Unit C 9 04-077-20459Shut in GasCalifornia Resources Production Corporation
Lathrop Unit C 10 04-077-20460Shut in GasCalifornia Resources Production Corporation
Lathrop Unit C 13 04-077-20463Shut in GasCalifornia Resources Production Corporation
Lathrop Unit C 14 04-077-20470Shut in GasCalifornia Resources Production Corporation
Lathrop Unit D 1 04-077-00053Shut in GasCalifornia Resources Production Corporation
Lathrop Unit D 2 04-077-00054Shut in GasCalifornia Resources Production Corporation
Lil Mac 1 04-077-20609Active StoragePacific Gas and Electric Company
Lil Mac 2 04-077-20743Shut in StoragePacific Gas and Electric Company
Loma D-4 04-077-20619Active StorageLodi Gas Storage, L.L.C.
Loma M-4 04-077-20620Active StorageLodi Gas Storage, L.L.C.
Loma D-5 04-077-20621Active StorageLodi Gas Storage, L.L.C.
Loma M-5 04-077-20622Active StorageLodi Gas Storage, L.L.C.
Loma D-4A 04-077-20669Active StorageLodi Gas Storage, L.L.C.
Loma M-4A 04-077-20670Active StorageLodi Gas Storage, L.L.C.
Loma D-5B 04-077-20675Active StorageLodi Gas Storage, L.L.C.
Loma M-4B 04-077-20733Active StorageLodi Gas Storage, L.L.C.
Long 3-34 04-077-20629Shut in GasCalifornia Resources Production Corporation
Long 5-34 04-077-20690Shut in GasCalifornia Resources Production Corporation
Long 6-34 04-077-20710Shut in GasCalifornia Resources Production Corporation
Luck 75-25 04-077-00109Shut in GasCalifornia Resources Production Corporation
Maciel Bros. 1 04-077-20164Shut in GasCalifornia Resources Production Corporation
Marchini A 1 04-077-20180Shut in GasCalifornia Resources Production Corporation
McCormack 1-36 04-077-20584Shut in GasCalifornia Resources Production Corporation
McDonald Island Farms 4 04-077-00080Active ServicePacific Gas and Electric Company
McDonald Island Farms 6 04-077-00082Active ServicePacific Gas and Electric Company
McDonald Island Farms 7 04-077-00083Active ServicePacific Gas and Electric Company
McDonald Island Farms 9 04-077-00084Shut in StoragePacific Gas and Electric Company
McDonald Island Farms 10 04-077-00085Active StoragePacific Gas and Electric Company
McDonald Island Farms 11 04-077-00086Active StoragePacific Gas and Electric Company
McDonald Island Farms 12 04-077-00087Active StoragePacific Gas and Electric Company
McDonald Island Farms 13 04-077-00088Active StoragePacific Gas and Electric Company
McDonald Island Farms 5A 04-077-20552Active StoragePacific Gas and Electric Company
McGrath 1-22 04-077-00283Shut in GasSacramento Energy, Inc.
McMullin 2Y 04-077-00014Shut in GasCalifornia Resources Production Corporation
McMullin 4X 04-077-00015Shut in GasCalifornia Resources Production Corporation
McMullin 3X 04-077-00113Shut in GasCalifornia Resources Production Corporation
McMullin 5X 04-077-00115Shut in GasCalifornia Resources Production Corporation
Mohawk-Boltzen-Hunter 77-16 04-077-20413Shut in GasCalifornia Resources Production Corporation
Mohawk-Boltzen-Hunter Unit 4 63-16 04-077-00255Shut in GasCalifornia Resources Production Corporation
Nii 1-35 04-077-20689Shut in GasCalifornia Resources Production Corporation
Nii 2-35 04-077-20703Shut in GasCalifornia Resources Production Corporation
Nii 3-35 04-077-20709Shut in GasCalifornia Resources Production Corporation
Occidental-Dutra 32-25 04-077-00116Shut in GasCalifornia Resources Production Corporation

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