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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
A-V Land 1 04-113-20851Plugged GasH. T. Hilliard & Co.
A-V Land 2 04-113-20910Plugged GasH. T. Hilliard & Co.
A. H. Rominger 1 04-113-00075Plugged GasMonterey Resources, Inc.
A.G. Richter 1 04-113-20602Plugged GasDalen Resources Oil & Gas Co.
A.H. Unit 1 04-113-20089Plugged Dry holeReynolds & Carver
A.H. Unit 2 04-113-20101Plugged Dry holeReynolds & Carver
A.M. Richie 1 04-113-00027Plugged GasHunnicutt & Camp Drilling Co.
ABA Pope 1-5 04-113-21137Plugged GasABA Energy Corporation
AGIP Woodland So. Unit 3 1 04-113-20724Plugged Dry holeChevron U.S.A. Inc.
AROW-Knaggs 1 04-113-20426Plugged GasHartley Natural Resource Development
ASC Tahiti 1 04-113-21127Plugged GasABA Energy Corporation
Abele 1 04-113-00170Plugged Dry holeBP Exploration U.S.A. Inc.
Abele 28-1 04-113-20684Plugged Dry holeTXO Production Corp.
Abele 33-1 04-113-20737Plugged Dry holeTXO Production Corp.
Abele Farms 1-32 04-113-21004Plugged Dry holeHartley Natural Resource Development
Abele Farms 1-33 04-113-21021Plugged GasHartley Natural Resource Development
Adams 1 04-113-20151Plugged Dry holeAtlantic Oil Company
Addison 1 04-113-20084Plugged Dry holeEstate of V R Smith
Addison 1 04-113-20115Plugged Dry holeTri-Valley Oil & Gas Co.
Addison 1 04-113-20132Plugged Dry holePhoenix West Oil and Gas Corporation
Agriventure 1-24 04-113-20831Plugged Dry holeNorthern Michigan Exploration Company
Aimee Nixon, et al 1 04-113-00312Plugged Dry holeExxon Mobil Corporation
Air Force 1 04-113-21171Plugged GasDonald C Slawson Expl Co., Inc
Airport 1-10 04-113-21087Plugged GasRoyale Energy, Inc.
Airport 3 04-113-21109Plugged Dry holeRoyale Energy, Inc.
Alamo 1 04-113-20845Plugged Dry holeVern Jones, Oper.
Alamo 2 04-113-20870Plugged Dry holeVern Jones Oil & Gas Corp.
Alaska Packers 1 04-113-00237Plugged Dry holeEdwin W. Pauley
Allen 1-23 04-113-21065Plugged Dry holeVern Jones Oil & Gas Corp.
Alpine-Madison Unit 1 04-113-20068Plugged Dry holePrudential Minerals Exploration Corp.
Amerada Unit 1 04-113-20022Plugged Dry holeJoseph M Thomas
Amerada-Triphon 1 04-113-20043Plugged Dry holeReynolds & Carver
Aminoil-Winchester Lake 1 04-113-20411Plugged Dry holeHilliard Oil & Gas, Inc.
Amstar 1 04-113-20389Plugged GasChevron U.S.A. Inc.
Amstar 2 04-113-20397Plugged GasChevron U.S.A. Inc.
Amstar 3 04-113-20401Plugged GasChevron U.S.A. Inc.
Amstar 4 04-113-20535Plugged GasChevron U.S.A. Inc.
Anacapa-Cowell 1 04-113-20698Plugged Dry holeNatural Gas Corp. of Calif.
Anacapa-Wiegand 1 04-113-20424Plugged Dry holePhillips Petroleum Company
Anderson 1 04-113-20493Plugged Dry holeChevron U.S.A. Inc.
Angelich 1-30 04-113-20854Plugged GasCastle Minerals
Anna 1-16 04-113-20796Plugged Dry holeSamson Resources Co.
Anna B. Stevens 1 04-113-20467Plugged Dry holeChevron U.S.A. Inc.
Aoki Farms 1 04-113-20754Plugged Dry holeHilliard Oil & Gas, Inc.
Aoki Farms 1-25 04-113-21060Plugged GasPetrogulf Corporation
Archer-Gibson 1 04-113-21274Plugged GasLongbow, LLC
Archer-Knaggs Ranch 1 04-113-21251Plugged GasLongbow, LLC
Arco Bogle 1 04-113-20327Plugged Dry holeMonterey Resources, Inc.
Arco Unit 1 04-113-20170Plugged Dry holeHilliard Oil & Gas, Inc.
Arco-Greiner 1-36 04-113-20387Plugged GasStream Energy, Inc.
Arco-Greiner 36-1 04-113-20745Plugged Dry holeTXO Production Corp.
Arco-MacIntyre Ranches 1 04-113-20339Plugged Dry holeMonterey Resources, Inc.
Arco-Mound Farms 3 04-113-20440Plugged GasPhillips Petroleum Company
Arco-Mound Farms 5 04-113-20486Plugged Dry holePhillips Petroleum Company
Arco-Mound Farms 1 04-113-20555Plugged GasGraham Royalty, Ltd.
Arco-Schwarzgruber 1 04-113-20033Plugged Dry holeTesoro Petroleum Corp.
Arco-Swartz 1 04-113-20341Plugged Dry holeWestates Petroleum Co.
Arow-Knaggs 2 04-113-20457Plugged GasArco Western Energy Co.
Atherton-Day 85-8 04-113-00248Plugged Dry holeAtherton Oil Co.
Atkinson A 1 04-113-00245Plugged Dry holeChevron U.S.A. Inc.
Avilla Community 2 04-113-00279Plugged Dry holeChevron U.S.A. Inc.
B.V.-Kozono 1 04-113-20806Plugged Dry holeAtlantic Oil Company
BP-Cowell 9-1 04-113-20992Plugged Dry holeLee Lamberson, Inc.
BV-Arons 1-21 04-113-20633Plugged Dry holeSeaward Resources Inc.
BV-Glide 1-12 04-113-20634Plugged Dry holeSeaward Resources Inc.
BV-Tooby Farms 2-13 04-113-20676Plugged Dry holeSeaward Resources Inc.
Baird 1 04-113-20487Plugged Dry holeChevron U.S.A. Inc.
Barrios 1 04-113-20641Plugged GasDalen Resources Oil & Gas Co.
Barth 1 04-113-20863Plugged Dry holeChester F. Dolley
Beeman 1 04-113-00239Plugged Dry holeAtlantic Oil Company
Belmont Farms 1 04-113-20422Plugged Dry holeLawrence Perryman
Beltrami 1 04-113-20070Plugged Dry holeAtlantic Oil Company
Beltrami 1 04-113-20583Plugged Dry holeHilliard Oil & Gas, Inc.
Beltrami S-12 04-113-20693Plugged Dry holeVenada National
Bemmerly 1 04-113-00036Plugged Dry holeStansbury, Inc.
Bemmerly Unit 1 04-113-00031Plugged Dry holeChevron U.S.A. Inc.
Bemmerly Unit 2 04-113-00032Plugged GasChevron U.S.A. Inc.
Bemmerly Unit 3 04-113-00033Plugged GasChevron U.S.A. Inc.
Beoshanz A 1 04-113-20488Plugged GasChevronTexaco Exploration & Production Company
Berlin et al 1-33 04-113-20384Plugged Dry holeUMC Petroleum Corp.
Bert Noble 1-4 04-113-00048Plugged Dry holeArcady Oil Company
Big Valley Palmer 8-1 04-113-20772Plugged Dry holeTXO Production Corp.
Big Valley Recl. Dist. 108-1 04-113-20577Plugged Dry holeNatural Gas Corp. of Calif.
Big Valley Recl. Dist. 108-2 04-113-20578Plugged Dry holeNatural Gas Corp. of Calif.
Binning 2-5 04-113-20800Plugged Dry holeSamson Resources Co.
Bishop 1 04-113-20219Plugged Dry holePhillips Petroleum Company
Bora Bora Sunset 1-3 04-113-21106Plugged GasDonald C Slawson Expl Co., Inc
Borach 1 04-113-20579Plugged Dry holeArco Western Energy Co.
Borchard 15X-20 04-113-20955Plugged Dry holeTrio Petroleum Inc.
Brandenburger 10-1 04-113-20645Plugged GasTXO Production Corp.
Brandenburger 10-2 04-113-20759Plugged GasTXO Production Corp.
Brandenburger 1 04-113-20995Plugged Dry holeSierra Energy Company
Brandenburger 2 04-113-21007Plugged GasABA Energy Corporation
Brannon 1-2 04-113-20749Plugged GasSamson Resources Co.
Braun-Husselkus 1 04-113-20421Plugged GasChevron U.S.A. Inc.
Brazos-Fahn 1 04-113-20205Plugged Dry holeArgo Petroleum Corp.
Brazos-I.O.C. 2 04-113-20182Plugged GasArgo Petroleum Corp.
Brazos-I.O.C. 3 04-113-20225Plugged Dry holeArgo Petroleum Corp.
Breckenridge 1 04-113-00272Plugged Dry holeAtlantic Oil Company
Brock 1 04-113-20024Plugged Dry holeAtlantic Oil Company

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