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Yolo County, CA oil and gas wells

1,486 wells: 20 active, 1,399 plugged, run by 231 operators.

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

Top operators in Yolo

OperatorActiveWells here
261 Resource Management, LLC1920
California Resources Production Corporation126
Atlantic Oil Company0145
Chevron U.S.A. Inc.0121
Nahama & Weagant Energy Company074
Phillips Petroleum Company055
Rosetta Resources Operating LP053
Capitol Oil Corporation042
Shell Western E&P Inc.041
Natural Gas Corp. of Calif.028
Stream Energy, Inc.028
Towne Exploration Company, LP026
Black Mountain Oil Co.025
ABA Energy Corporation024
Hilliard Oil & Gas, Inc.021
Venada National021
Anacapa Oil Corporation020
Castle Minerals020
Monterey Resources, Inc.020
Donald C Slawson Expl Co., Inc019
Occidental Petroleum Corporation019
TXO Production Corp.019
Whiting Oil and Gas Corporation017
260 Resource Management LLC014
The Dow Chemical Company014

Wells

Not plugged · All wells · Plugged · Orphaned

WellAPI / IDStatusTypeOperator
Devils Foot 2-34 04-113-21152Plugged GasLario Oil & Gas Co.
Dinkum-Stewart 1 04-113-20868Plugged Dry holeArco Western Energy Co.
Dinsdale 1 04-113-20451Plugged GasChevron U.S.A. Inc.
Dinsdale 2 04-113-20456Plugged GasChevron U.S.A. Inc.
Dinsdale 1 04-113-21074Plugged Dry holeVern Jones Oil & Gas Corp.
Dixie 1 04-113-21067Plugged Dry holeVenada National
Donahue 1 04-113-00037Plugged GasCalifornia E.D.I., Inc.
Dow-Knaggs 1 04-113-20544Plugged Dry holeHilliard Oil & Gas, Inc.
Dow-Veress 1 04-113-20623Plugged Dry holeSeaward Resources Inc.
Dravis-Union 1 04-113-20383Plugged Dry holeAtlantic Oil Company
Driver 1 04-113-00162Plugged Dry holeRinde Oil Co.
Duck Slough 1 04-113-21230Plugged Dry holeRoyale Energy, Inc.
Duerig-Knaggs-Church Unit 1 04-113-00292Plugged Dry holePexco, Inc.
Dufour 1 04-113-20232Plugged GasDalen Resources Oil & Gas Co.
Duncan 1 04-113-20561Plugged Dry holeThe Dow Chemical Company
Duncan 1 04-113-21078Plugged GasR&R Resources, LLC
Dunnigan A-28 04-113-21233Plugged GasCapitol Oil Corporation
Dunnigan J-28 04-113-21234Plugged GasCapitol Oil Corporation
Dunnigan D-34 04-113-21235Plugged GasCapitol Oil Corporation
Dunnigan K-28 04-113-21236Plugged GasCapitol Oil Corporation
Dunnigan I-14 04-113-21237Plugged GasCapitol Oil Corporation
Dunnigan F-26 04-113-21238Cancelled / expired GasCapitol Oil Corporation
Dunnigan H-22 04-113-21240Plugged GasCapitol Oil Corporation
Dunnigan Hills 1 04-113-21140Plugged GasRoyale Energy, Inc.
Dunnigan Unit One 2 04-113-00039Plugged Dry holeChevron U.S.A. Inc.
Dunnigan Unit One 1 04-113-00040Plugged GasChevron U.S.A. Inc.
Dunnigan Unit One 3 04-113-00041Plugged GasChevron U.S.A. Inc.
Dunnigan Unit One 4 04-113-00042Plugged GasChevron U.S.A. Inc.
Dunnigan Unit One 5 04-113-00043Plugged Dry holeChevron U.S.A. Inc.
Dunnigan Unit One 6 04-113-00044Plugged GasChevron U.S.A. Inc.
Dunnigan Unit One 7 04-113-00045Plugged GasChevron U.S.A. Inc.
Dunnigan Unit One 8 04-113-00046Plugged GasChevron U.S.A. Inc.
Dunnigan Unit One 9 04-113-00047Plugged GasChevron U.S.A. Inc.
Dunnigan Unit Two 1 04-113-00150Plugged Dry holeChevron U.S.A. Inc.
Dunningan 14-1 04-113-00152Plugged Dry holeChevron U.S.A. Inc.
Durst 5-1 04-113-20776Plugged Dry holeArkoma Production Company of California
Dwyer 1 04-113-20308Plugged GasAtlantic Oil Company
Dwyer 2 04-113-20330Plugged GasDwyer-Lisbon Ranch
Dwyer 3 04-113-20370Plugged GasAtlantic Oil Company
E. A. Rominber 1 04-113-20323Plugged Dry holeChevron U.S.A. Inc.
E. L. Eaton 1 04-113-20427Plugged Dry holeLeclair-Westwood, Inc.
E.A. Payne 2 04-113-20536Plugged GasChevron U.S.A. Inc.
E.A. Payne et al 1-11 04-113-20446Plugged GasChevron U.S.A. Inc.
E.C. Dwyer 1 04-113-00217Plugged Dry holeChevron U.S.A. Inc.
E.E. Hooper 1 04-113-00053Plugged GasChevron U.S.A. Inc.
E.H. Bemmerley 1 04-113-00030Plugged Dry holeSan Martinez Oil Co.
E.K. 1 04-113-20740Plugged Dry holeSamson Resources Co.
E.P. Bunnell 1 04-113-00200Plugged Dry holeD. H. Graham, Operator
East Cache Creek 1-35 04-113-20884Plugged GasNahama & Weagant Energy Company
East Dufour 1 04-113-20849Plugged GasCastle Minerals
Eaton-Martin 1 04-113-20270Plugged Dry holeMonterey Resources, Inc.
Ebey 1 04-113-20818Plugged Dry holeChester F. Dolley
Edson 1 04-113-20689Plugged Dry holeHilliard Oil & Gas, Inc.
Edson 2 04-113-20695Plugged GasResource Engineering
Elliott 1 04-113-20283Plugged Dry holeAtlantic Oil Company
Ensher 1 04-113-20294Plugged Dry holeDepartment of Water Resources (DWR)
Erdman 1 04-113-00303Plugged Dry holeW. W. Holmes, Operator
Erskine 1 04-113-20584Plugged Dry holeMonterey Resources, Inc.
Erskine 2 04-113-20631Plugged Dry holeMonterey Resources, Inc.
Erwin 1 04-113-20226Plugged Dry holeAtlantic Oil Company
Esparto Core Hole 2 04-113-00155Plugged ServiceChevron U.S.A. Inc.
Esparto Core Hole 1 04-113-00156Plugged ServiceChevron U.S.A. Inc.
F & C 1 04-113-00310Plugged Dry holeAmerada Hess Corp.
F.L. Lang 1 04-113-20873Plugged Dry holeOryx Energy Company
F.T. Swan 1 04-113-00195Plugged Dry holeChevron U.S.A. Inc.
Fahn 1 04-113-20543Plugged Dry holeAnacapa Oil Corporation
Fahn 2 04-113-20597Plugged Dry holeAnacapa Oil Corporation
Fahn 1-33 04-113-21208Shut in GasCalifornia Resources Production Corporation
Fahn 2-33 04-113-21223Shut in GasCalifornia Resources Production Corporation
Fahn Bros 1-32 04-113-21229Shut in GasCalifornia Resources Production Corporation
Fahn-Holland 1 04-113-20469Plugged Dry holeAtlantic Oil Company
Fahn-Linder 1-5 04-113-21249Shut in GasCalifornia Resources Production Corporation
Falcon-E.A.B. 1 04-113-00194Plugged Dry holeRichard S. Rheem, Operator
Faris 1 04-113-20713Plugged GasSamson Resources Co.
Farlin 1-1 04-113-20742Plugged GasStockdale Energy Co.
Faultless Farms 2-1 04-113-21239Plugged GasRosetta Resources Operating LP
Fawcett 1 04-113-00142Plugged Dry holeNeaves Petro. Developments
Fonts 1 04-113-20869Plugged Dry holeVern Jones Oil & Gas Corp.
Fortis 1 04-113-20738Plugged GasCapitol Oil Corporation
Fraser 1 04-113-00221Plugged Dry holeChevron U.S.A. Inc.
Fredrick Hamel 1 04-113-20304Plugged GasAtlantic Oil Company
Fung Pepper 1 04-113-20991Plugged Dry holeVenada National
Furrer 1 04-113-21053Plugged GasAlanmar Energy
Furth 1 04-113-20773Plugged GasHilliard Oil & Gas, Inc.
G. Gravink 1 04-113-20057Plugged Dry holeMobil Oil Exploration & Production North America, Inc.
G.C.S. Unit 1-34 04-113-20301Plugged Dry holeChevron U.S.A. Inc.
Gallenkamp 1 04-113-00188Plugged Dry holeMobil Oil Corporation
Gardner Unit 1 04-113-20100Plugged Dry holeThe Termo Company
Gentner 1 04-113-20718Plugged Dry holeMonterey Resources, Inc.
George Ewing 1 04-113-21105Plugged GasABA Energy Corporation
George Ewing 2 04-113-21119Plugged GasABA Energy Corporation
Georgia Chapman 1 04-113-00143Plugged Dry holeMarathon Oil Company
Getty Unit 4 1 04-113-20167Plugged Dry holeAtlantic Oil Company
Getty Unit One 1 04-113-20112Plugged GasAtlantic Oil Company
Getty Unit One 2 04-113-20114Plugged GasAtlantic Oil Company
Getty Unit One 3 04-113-20133Plugged GasAtlantic Oil Company
Getty Unit One 4 04-113-20134Plugged GasAtlantic Oil Company
Getty Unit One 5 04-113-20188Plugged GasAtlantic Oil Company
Getty Unit One 6 04-113-20191Plugged GasAtlantic Oil Company
Getty Unit One 7 04-113-20241Plugged GasAtlantic Oil Company

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