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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
Hopkins Slough Unit 1 04-011-00332Plugged Dry holeRichard S. Rheem, Operator
Hopper 1 04-011-20150Plugged GasJordan Oil & Gas Company
Hopper 2 04-011-20578Plugged Dry holeAspen Exploration Corporation
Hubbard 1 04-011-20912Plugged GasRoyale Energy, Inc.
Huff 1-8 04-011-20745Plugged Dry holeAspen Exploration Corporation
Hughes-Zumwalt Pool 1 04-011-20256Plugged Dry holeNorthern Michigan Exploration Company
Humble-Dow A. Andreatti 1 04-011-00349Plugged Dry holeExxon Mobil Corporation
Humble-Honolulu Capital Co. F-1 04-011-00341Plugged Dry holeExxon Mobil Corporation
Humble-Honolulu I.G. Zumwalt 1 04-011-00371Plugged Dry holeExxon Mobil Corporation
Humble-I.G. Zumwalt 2 04-011-00370Plugged Dry holeExxon Mobil Corporation
Hydril-Colusa 1 04-011-00247Plugged Dry holeHydril Co.
J. Gross 1C 04-011-20338Plugged Dry holeDonald C Slawson Expl Co., Inc
J.J. Gross 1B 04-011-20322Plugged Dry holeDonald C Slawson Expl Co., Inc
JB 1-35 04-011-20693Plugged GasDonald C Slawson Expl Co., Inc
JGJ Cecil 6-1 04-011-20848Plugged GasFoothill Energy, LLC
JGJ Cecil 6-2 04-011-20879Plugged GasFoothill Energy, LLC
JGJ Cecil 6-3 04-011-20882Plugged GasFoothill Energy, LLC
JGJ Cecil 6-5 04-011-20883Plugged GasFoothill Energy, LLC
JGJ Cecil 6-9 04-011-20884Plugged GasFoothill Energy, LLC
Jacob 1-33 04-011-20584Plugged GasDonald C Slawson Expl Co., Inc
Jacobson 1 04-011-20081Plugged Dry holePetro-Lewis Corp.
Jane F. Carter Unit 1 04-011-00091Plugged GasExxon Mobil Corporation
Jimeno 1 04-011-00175Plugged Dry holeColusa Expl. Co.
Jimeno 2 04-011-00258Plugged Dry holeColusa Expl. Co.
Jimeno 1-24 04-011-20525Plugged Dry holeTwo Bay Petroleum
Jimeno 2-13 04-011-20536Plugged Dry holeTwo Bay Petroleum
Jimeno Rancho 1 04-011-20139Plugged GasChevron U.S.A. Inc.
Joe Gomes, et ux 1 04-011-00191Plugged Dry holeExxon Mobil Corporation
Johnson 7-1 04-011-20287Plugged Dry holeWoods Petro. Corp.
Johnston 1 04-011-00248Plugged Dry holeBirch Ranch Oil Co. et al
Johnston 1 04-011-20394Plugged GasCalifornia Resources Production Corporation
Kalfsbeek 1 04-011-00241Plugged Dry holeReynolds & Carver
Kalfsbeek 2 04-011-00242Plugged GasGary Drilling Company
Kalfsbeek 1 04-011-00245Plugged Dry holeExxon Mobil Corporation
Kalfsbeek 1 04-011-20041Plugged GasTri-Valley Oil & Gas Co.
Kalfsbeek 1 04-011-20132Plugged Dry holeDavis Oil Co.
Kalfsbeek 36X-32 04-011-20182Plugged Dry holeDekalb Energy Co.
Kalfsbeek 1-10 04-011-20262Plugged GasNorth Valley Oil & Gas Co.
Kalfsbeek 1-15 04-011-20312Plugged Dry holeNorthern Michigan Exploration Company
Keller 8-1 04-011-20289Plugged Dry holeTXO Production Corp.
Keller 31-1 04-011-20347Plugged GasEOG Resources, Inc.
Keller 1-31 04-011-20648Plugged GasDonald C Slawson Expl Co., Inc
Kin-Ark, Ware 1-31 04-011-00265Plugged Dry holeFerguson & Bosworth & Associates
Kleeman 1 04-011-00047Plugged Dry holeOccidental Petroleum Corporation
Kuppenbender 1-20 04-011-20585Plugged GasDonald C Slawson Expl Co., Inc
L.C. Dennis 1 04-011-20121Plugged Dry holeChevron U.S.A. Inc.
L.C. Hursh 1 04-011-00237Plugged Dry holeWilliam H. Hudson
La Grande 1 04-011-20104Plugged Dry holeUnion Pacific Resources Co.
Lady Statesman 1 04-011-20669Plugged GasKey Production Company, Inc.
Lady Techsters 1-10 04-011-20674Plugged Dry holeKey Production Company, Inc.
Landrus 1 04-011-20082Plugged Dry holeConoco Inc.
Lar-Don Peterson 1 04-011-20010Plugged Dry holeJames H. Dondich
Lease by Amalgamated Oil Co. of Nevada 1 04-011-00253Plugged Dry holeAmalgamated Oil Co. of Nevada
Lease by Blue Ridge Petro. Co. 1 04-011-00223Plugged Dry holeBlue Ridge Petro. Co.
Lease by Brown & Foster 1 04-011-00284Plugged Dry holeBrown & Foster
Lease by Conoco Inc. 1-A 04-011-00368Plugged Dry holeConoco Inc.
Lease by Conoco Inc. 1 04-011-00369Plugged Dry holeConoco Inc.
Lease by D. & M. Oil Co. 1 04-011-00251Plugged Dry holeD. & M. Oil Co.
Lease by E. & G. Products Co. 1 04-011-00249Plugged Dry holeE. & G. Products Co.
Lease by Evans-Carter 1 04-011-00289Plugged Dry holeEvans-Carter
Lease by Grover Herring 1 04-011-00252Plugged Dry holeGrover Herring
Lease by Maxwell Oil Co. 1 04-011-00352Plugged Dry holeMaxwell Oil Co.
Lease by Mountainhouse Oil Co. 1 04-011-00285Plugged Dry holeMountainhouse Oil Co.
Lease by Smith & Vickers 1 04-011-00287Plugged Dry holeSmith & Vickers
Lease by Smith & Vickers 1 04-011-00297Plugged Dry holeSmith & Vickers
Lease by Smith & Vickers 1 04-011-00334Plugged Dry holeSmith & Vickers
Lease by W. T. Jacobs 1 04-011-00293Plugged Dry holeW. T. Jacobs
Lease by W. T. Jacobs 2 04-011-00294Plugged Dry holeW. T. Jacobs
Lease by W. T. Jacobs 3 04-011-00295Plugged Dry holeW. T. Jacobs
Lease by W. T. Jacobs 4 04-011-00296Plugged Dry holeW. T. Jacobs
Lease by Young Oil Co. 1 04-011-00250Plugged Dry holeYoung Oil Co.
Lewis Ranch 1-10 04-011-20501Plugged Dry holeAlanmar Energy
Lewis Ranch 2-10 04-011-20521Plugged GasAlanmar Energy
Lewis Ranch 3-10 04-011-20539Plugged Dry holeAlanmar Energy
Line EF 1 04-011-20314Plugged GasCalifornia Resources Production Corporation
Locvich 2-1 04-011-20447Plugged GasEOG Resources, Inc.
Locvich 1-2 04-011-20804Plugged GasFoothill Energy, LLC
Lodi 1-36 04-011-20618Plugged GasDonald C Slawson Expl Co., Inc
Lodi Farms 1-1 04-011-20619Plugged GasDonald C Slawson Expl Co., Inc
Logandale 11-7 04-011-20286Plugged Dry holeAxem Resources Inc.
Lone Star 4 04-011-20688Plugged GasRoyale Energy, Inc.
Lone Star 5 04-011-20757Plugged GasRoyale Energy, Inc.
Lopes Unit 1-23 04-011-20469Plugged GasBaker Oil And Gas Company
Lovelace 1-26 04-011-20097Plugged Dry holeShell Western E&P Inc.
Magers 9-1 04-011-20709Plugged GasEdward Mike Davis, L.L.C.
Marsh 1-4 04-011-20270Plugged Dry holeSamson Resources Co.
Marsh 1-4 04-011-20395Plugged GasCoastal Oil and Gas Corporation
Marsh 1-29 04-011-20441Plugged Dry holeChevron U.S.A. Inc.
Marsh et al 1 04-011-00049Plugged GasS. M. Reynolds, Opr.
Martinez 4-1 04-011-20231Plugged GasTXO Production Corp.
Mathews 4-1 04-011-20251Plugged GasTXO Production Corp.
Maximus 1 04-011-20935Plugged GasRoyale Energy, Inc.
Mayfair 1-2 04-011-20643Plugged GasDonald C Slawson Expl Co., Inc
Mayfair Farm 1-7 04-011-20320Plugged Dry holeJordan Oil & Gas Company
McCoy 25-1 04-011-20396Plugged Dry holeTXO Production Corp.
McCulloch Beckman 1 04-011-00232Plugged Dry holeUMC Petroleum Corp.
McElroy Unit A 1 04-011-00134Plugged GasChevron U.S.A. Inc.
McElroy Unit A 2 04-011-20466Plugged Dry holeChevron U.S.A. Inc.
McElroy Unit B 1 04-011-00135Plugged DisposalChevron U.S.A. Inc.
Meckfessel 1-24 04-011-20705Plugged GasCalifornia Resources Production Corporation

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