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Colusa County, CA oil and gas wells

1,271 wells: 143 active, 894 plugged, run by 181 operators.

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

Top operators in Colusa

OperatorActiveWells here
California Resources Production Corporation101377
Harvest Petroleum, Inc.1414
Central Valley Gas Storage, LLC1215
Royale Energy, Inc.1054
Drilling, Exploration & Operating Co., Inc.58
California Hydrocarbons Corporation12
Chevron U.S.A. Inc.0125
Donald C Slawson Expl Co., Inc050
Exxon Mobil Corporation034
Occidental Petroleum Corporation030
Armstrong Petroleum Corporation019
Venoco, LLC019
Richard S. Rheem, Operator017
TXO Production Corp.017
Amerada Hess Corp.015
Coastal Oil and Gas Corporation015
The Termo Company014
Mobil Oil Corporation012
Arkoma Production Company of California011
Natural Gas Corp. of Calif.011
Petrogulf Corporation011
Aspen Exploration Corporation010
Atlantic Oil Company010
Benton Oil & Gas010
Foothill Energy, LLC010

Wells

Not plugged · All wells · Plugged · Orphaned

WellAPI / IDStatusTypeOperator
Farnsworth Farms 1 04-011-20388Plugged GasDekalb Energy Co.
Farnsworth Farms 2 04-011-20426Plugged Dry holeDekalb Energy Co.
Farnsworth Farms 4-1 04-011-20464Plugged GasNorthern Energy Devel. Co.
Farnsworth Farms 3-2 04-011-20533Plugged Dry holeNorthern Energy Devel. Co.
Farnsworth Unit 1 2 04-011-00111Plugged Dry holeCalifornia Resources Production Corporation
Faye 1-4 04-011-20597Plugged OtherDonald C Slawson Expl Co., Inc
Fendt 1-5 04-011-20162Plugged GasSteve Smith
Fla 1 04-011-00100Plugged Dry holeRichard S. Rheem, Operator
Fleet-Transamerica 1-27 04-011-20487Plugged GasWestern Continental Operating Company
Forry 1 04-011-20052Plugged Dry holePhillips Petroleum Company
Foster 1 04-011-20377Plugged GasCalifornia Resources Production Corporation
Franco Western-Steidlmayer 1 04-011-00174Plugged Dry holeAtlantic Oil Company
Freeman 1 04-011-00235Plugged Dry holeTrico Industries Inc
Froh 1 04-011-20246Plugged Dry holeTranspacific Exploration, Inc.
Froh 13-1 04-011-20308Plugged GasCalifornia Resources Production Corporation
Froh 6-1 04-011-20456Plugged GasFoothill Energy, LLC
G. Fruchtenicht 1 04-011-20237Plugged Dry holeChevron U.S.A. Inc.
G.M. Reister 1 04-011-00271Plugged Dry holeExxon Mobil Corporation
GOU 7 8 04-011-20660Plugged GasCalifornia Resources Production Corporation
Garnet 1 04-011-20944Plugged Dry holeRoyale Energy, Inc.
George R. Zumwalt et al 1 04-011-00268Plugged Dry holeAmbassador Oil Corp.
George R. Zumwalt, Adm. et al 1 04-011-00057Plugged Dry holeExxon Mobil Corporation
Gerda 1-34 04-011-20604Plugged GasDonald C Slawson Expl Co., Inc
Geyer 1-29 04-011-20497Plugged Dry holeTowne Exploration Company, LP
Glasgow 1-24 04-011-20697Plugged GasThe Termo Company
Glen Harris 1-25 04-011-20570Plugged Dry holeGary Drilling Company
Gobel 1 04-011-20381Plugged GasCalifornia Resources Production Corporation
Gobel 2 04-011-20406Plugged Dry holeCoastal Oil and Gas Corporation
Gobel 1 04-011-20633Plugged GasRoyale Energy, Inc.
Goff 1-10 04-011-20581Plugged GasDonald C Slawson Expl Co., Inc
Goff-Erdman Tract 3 04-011-00164Plugged GasChevron U.S.A. Inc.
Goff-Erdman Tract 1 04-011-00385Plugged GasChevron U.S.A. Inc.
Goff-Erdman Tract 2 04-011-00386Plugged GasChevron U.S.A. Inc.
Goff-Erdman Unit A 1 04-011-00163Plugged GasChevron U.S.A. Inc.
Gold 22-1 04-011-20779Plugged GasDenali Oil & Gas Management, LLC
Gomes 1 04-011-00197Plugged Dry holeRichard S. Rheem, Operator
Gomes 18-1 04-011-20577Plugged GasRoyale Energy, Inc.
Goodman 34-1 04-011-20411Plugged GasCastle Minerals
Goodrich 11-1 04-011-20428Plugged Dry holeBenton Oil & Gas
Goodrich-Kilgore Unit 1 04-011-00227Plugged Dry holeChevron U.S.A. Inc.
Grandfather Finger Well 04-011-00254Plugged Dry holeEmpire Oil & Gas Corp.
Great Basins-Davis 1-9 04-011-20002Plugged Dry holeGreat Basins Petroleum Co.
Griffin 3-1 04-011-20414Plugged GasCalifornia Resources Production Corporation
Grimes Operating Unit 1-6 3 04-011-00121Plugged GasMobil Oil Corporation
Grimes Operating Unit 1-C 2 04-011-00120Plugged Dry holeMobil Oil Corporation
Grimes Operating Unit 1-C 3 04-011-00388Plugged GasMobil Oil Corporation
Grimes Operating Unit 12 2 04-011-00389Plugged GasMobil Oil Corporation
Grimes Operating Unit 16 1 04-011-00128Plugged Dry holeMobil Oil Corporation
Grimes Operating Unit 17 2 04-011-00129Plugged GasMobil Oil Corporation
Grimes Operating Unit 6 2 04-011-00122Plugged GasMobil Oil Corporation
Grimes Operating Unit 6 4 04-011-00123Plugged GasMobil Oil Corporation
Grimes Operating Unit 7 3 04-011-00126Plugged GasMobil Oil Corporation
Grizzlies 1 04-011-20373Plugged GasEcoTech EOR, LLC
Gross 1-22 04-011-20575Plugged GasDonald C Slawson Expl Co., Inc
Gross 1-21 04-011-20647Plugged GasDonald C Slawson Expl Co., Inc
H. Hahn 1 04-011-00046Plugged GasOccidental Petroleum Corporation
H. High 1 04-011-00159Plugged Dry holeChevron U.S.A. Inc.
H.F. Britt Trustee 1 04-011-20077Plugged Dry holeChevron U.S.A. Inc.
H.L. Charter et al 1 04-011-00017Plugged GasChevron U.S.A. Inc.
H.L. Dobbins 1 04-011-00217Plugged Dry holeOccidental Petroleum Corporation
Hahn 1-3 04-011-20263Plugged Dry holeNorthern Michigan Exploration Company
Hahn 9-3 04-011-20551Plugged GasCenex Inc.
Hahn 1 04-011-20632Plugged Dry holeRoyale Energy, Inc.
Hall F-2 04-011-00345Plugged GasEOG Resources, Inc.
Hall F-1 04-011-20209Plugged GasTXO Production Corp.
Halsey 1-8 04-011-20054Plugged Dry holeGreat Basins Petroleum Co.
Halsey 2-3 04-011-20100Plugged GasTriton Oil & Gas Corp.
Hamilton 1-30 04-011-20430Plugged Dry holeQuintana Petroleum Corporation
Hamilton Bend Unit A 1 04-011-00328Plugged Dry holeRichard S. Rheem, Operator
Harada 1-34 04-011-20059Plugged Dry holeGreat Basins Petroleum Co.
Harcourt-Capital 1 04-011-00300Plugged Dry holeJacobson-Colusa Oil Co.
Harris Land 1 04-011-20454Plugged Dry holeOryx Energy Company
Harrison T. Martin 1 04-011-00224Plugged Dry holeCherry Hill Oil & Gas Co.
Haskell 1 04-011-20090Plugged Dry holeVenoco, LLC
Hatcher 2-1 04-011-20309Plugged Dry holeTXO Production Corp.
Heavenly 2-28 04-011-20748Plugged GasMonument Production, Inc.
Heidrick 1-3 04-011-20586Plugged Dry holeDonald C Slawson Expl Co., Inc
Heidrick 1-10 04-011-20590Plugged Dry holeDonald C Slawson Expl Co., Inc
Helen May Forry 1 04-011-00095Plugged Dry holeExxon Mobil Corporation
Henshaw 3 04-011-20088Plugged Dry holeCalifornia Resources Production Corporation
Henshaw M-1 04-011-20092Plugged Dry holeMontara Petro. Co.
Henshaw 2-10 04-011-20108Plugged GasCalifornia Resources Production Corporation
Henshaw 3-10 04-011-20109Plugged Dry holeGas Producing Enterprises, Inc.
Henshaw 4 04-011-20166Plugged Dry holeCalifornia Resources Production Corporation
Henshaw 5 04-011-20216Plugged Dry holeCalifornia Resources Production Corporation
Henshaw 5-10 04-011-20413Plugged GasCoastal Oil and Gas Corporation
Henshaw 10 04-011-20769Plugged GasCalifornia Resources Production Corporation
Henshaw 6-10 04-011-20774Plugged GasCalifornia Resources Production Corporation
Henshaw 11 04-011-20778Plugged GasCalifornia Resources Production Corporation
Het Volk 1 04-011-20617Plugged Dry holeKey Production Company, Inc.
Hololulu-Humble-Helphenstne-Ha 1 04-011-00278Plugged Dry holeChevron U.S.A. Inc.
Honolulu-Humble Aneita F. Cox 1 04-011-00105Plugged Dry holeChevron U.S.A. Inc.
Honolulu-Humble Cauzza 1 04-011-00104Plugged Dry holeChevron U.S.A. Inc.
Honolulu-Humble Dunham Unit 3 04-011-00277Plugged Dry holeChevron U.S.A. Inc.
Honolulu-Humble Gomes 1-25 04-011-00199Plugged Dry holeChevron U.S.A. Inc.
Honolulu-Humble Mayfair Pkg. U 1 04-011-00106Plugged Dry holeChevron U.S.A. Inc.
Honolulu-Humble Poage et al 1-25 04-011-00200Plugged Dry holeChevron U.S.A. Inc.
Honolulu-Humble Terhel Farms 1 04-011-00280Plugged Dry holeChevron U.S.A. Inc.
Honolulu-Humble Welch et al Un 1 04-011-00107Plugged Dry holeChevron U.S.A. Inc.
Honolulu-Humble Zumwalt 1-24 04-011-00060Plugged Dry holeChevron U.S.A. Inc.

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