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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
Wallace 4-1 04-011-20846Active GasCalifornia Resources Production Corporation
Wallace 4-3 04-011-20854Shut in GasCalifornia Resources Production Corporation
Wallace 4-4 04-011-20903Shut in GasCalifornia Resources Production Corporation
West Grimes 20-2 04-011-20582Active GasDrilling, Exploration & Operating Co., Inc.
West Grimes 20-3 04-011-20615Active GasDrilling, Exploration & Operating Co., Inc.
West Grimes Unit 14 9 04-011-20723Shut in GasCalifornia Resources Production Corporation
West Grimes Unit 14 8 04-011-20743Active GasCalifornia Resources Production Corporation
West Grimes Unit 14 10 04-011-20777Active GasCalifornia Resources Production Corporation
West Grimes Unit 15 2 04-011-00144Shut in GasCalifornia Resources Production Corporation
West Grimes Unit 15 3 04-011-00145Shut in GasCalifornia Resources Production Corporation
West Grimes Unit 15 5 04-011-20386Shut in GasCalifornia Resources Production Corporation
West Grimes Unit 15 8 04-011-20701Shut in GasCalifornia Resources Production Corporation
West Grimes Unit 15 9 04-011-20708Active GasCalifornia Resources Production Corporation
West Grimes Unit 15 12 04-011-20736Shut in GasCalifornia Resources Production Corporation
West Grimes Unit 15 13 04-011-20787Active GasCalifornia Resources Production Corporation
West Grimes Unit 15 14 04-011-20797Shut in GasCalifornia Resources Production Corporation
West Grimes Unit 16 1 04-011-00147Shut in GasCalifornia Resources Production Corporation
West Grimes Unit 16 2 04-011-00148Shut in GasCalifornia Resources Production Corporation
West Grimes Unit 16 3 04-011-20700Shut in GasCalifornia Resources Production Corporation
Wiggin/N Line Well 1 04-011-20278Shut in GasCalifornia Resources Production Corporation
Wildharber 1-15 04-011-20702Shut in GasCalifornia Resources Production Corporation
Wilkins Unit B 1 04-011-00063Active GasHarvest Petroleum, Inc.
Wilkins Unit F 2 04-011-00066Active GasHarvest Petroleum, Inc.
Wilkins Unit G 1 04-011-00071Active GasHarvest Petroleum, Inc.
Wylie 1 04-011-20885Shut in GasRoyale Energy, Inc.
Yerxa 20-1 04-011-20332Shut in GasCalifornia Resources Production Corporation
Yerxa 17-1 04-011-20351Active GasCalifornia Resources Production Corporation
Zodiac 1 04-011-20945Shut in GasRoyale Energy, Inc.
Zumwalt 1 04-011-20119Active GasRoyale Energy, Inc.

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