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Ventura County, CA oil and gas wells

8,533 wells: 2,427 active, 4,775 plugged, run by 849 operators.

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

Top operators in Ventura

OperatorActiveWells here
CalNRG Operating, LLC1,1162,121
Aera Energy LLC6541,833
Carbon California Operating Company, LLC424668
Cbase Corporation3336
Thompson Oil Company, Inc.3248
The Termo Company2366
West Energy Operating, LLC2353
Chemassist, L.L.C.2132
Renaissance Petroleum, LLC1516
Patriot Resources, LLC1418
ABA Energy Corporation1128
Ojai Oil Company1118
Temescal Resources, LLC912
Silver Exploration Company77
West Coast Operators Inc.66
Res-Tech, Inc.510
Concordia Resources, Inc.46
Crazy J Oil, LLC44
SM&O, LLC44
Ample Resources, Inc.314
LBTH Inc.35
T. E. Adams Petroleum Corp.211
Rose Katherine Stone22
Yoelin Family Trust13
Chevron U.S.A. Inc.0444

Wells

Not plugged · All wells · Plugged · Orphaned

WellAPI / IDStatusTypeOperator
Alpha 2 04-111-03869Plugged Dry holeAlpha Petro. Co.
Alpine-McGrath Estate 7-1 04-111-20220Plugged Dry holePrudential Minerals Exploration Corp.
Alvin Gisler, et al 1 04-111-05763Plugged Dry holeExxon Mobil Corporation
Analulf Betty 1 04-111-02321Plugged Dry holeHuberand McGinnis
Anchos Robles 1 04-111-00137Plugged Dry holeUnion Oil Company of California
Anderson 1 04-111-01101Plugged Oil & gasPhoenix West Oil and Gas Corporation
Andrews-Toland 1 04-111-04121Plugged Dry holeChevron U.S.A. Inc.
Anlauf 7 04-111-02310Plugged Oil & gasJ. Oscar Smith
Anlauf 1 04-111-02318Plugged Oil & gasCrestmount Oil Co.
Anlauf 1 04-111-20646Plugged Oil & gasWestern Discovery USA Inc.
Anlauf 2 04-111-21268Plugged Dry holeE. B. Brooks Jr.
Annie Elkins 1 04-111-00338Plugged Dry holePalma Oil Co.
Apache Unit 2 04-111-06152Plugged Dry holeArco Oil and Gas Co.
Apache Unit 1 04-111-06154Plugged Dry holeArco Oil and Gas Co.
Arco 2 04-111-20456Plugged DisposalCarbon California Operating Company, LLC
Arco 6 04-111-20471Plugged InjectionCarbon California Operating Company, LLC
Arco 4 04-111-20487Plugged Oil & gasCarbon California Operating Company, LLC
Arco 5 04-111-20541Plugged Oil & gasCarbon California Operating Company, LLC
Arco 1 04-111-20638Plugged Dry holeSumpf-Williams
Argabrite 1 04-111-05781Plugged Dry holeChevron U.S.A. Inc.
Arneil-Peard 1 04-111-05726Plugged Dry holeCalifornia Petro. Corp.
Arnett 3 04-111-02322Plugged Oil & gasInter-American Petroleum
Arundell 6-1 04-111-02692Plugged Dry holeRepublic Operator, Inc.
Arundell 5 04-111-06172Plugged Dry holeChevron U.S.A. Inc.
Associated Piping & Eng. Co. 1 04-111-06118Plugged Dry holeAssociated Piping & Engineering Co.
Astarta 5 04-111-01247Plugged Oil & gasAstarta Springs Sustainable Farms LLC
Astarta 6 04-111-01248Plugged Oil & gasAstarta Springs Sustainable Farms LLC
Astarta 14 04-111-20676Plugged Dry holeAstarta Springs Sustainable Farms LLC
Atha 1 04-111-21636Plugged Dry holeGeorge C. Atha
Atlantic-Standard Walters 1 04-111-02583Plugged Oil & gasChevron U.S.A. Inc.
Atlantic-Standard Walters 2A 04-111-02584Plugged Oil & gasChevron U.S.A. Inc.
Atlantic-Standard Walters 3 04-111-02585Plugged Oil & gasChevron U.S.A. Inc.
Atlantic-Standard Walters 4 04-111-02586Plugged Oil & gasChevron U.S.A. Inc.
Atlantic-Standard Walters 5 04-111-02587Plugged Oil & gasChevron U.S.A. Inc.
Atlas-Smith 1 04-111-04084Plugged Dry holeArco Oil and Gas Co.
Atlas-Smith 2 04-111-04085Plugged Dry holeArco Oil and Gas Co.
B 1 04-111-00005Plugged Oil & gasFillmore Land Co.
B 2 04-111-00006Plugged Oil & gasChevron U.S.A. Inc.
B 3A 04-111-00007Plugged Oil & gasChevron U.S.A. Inc.
B & B 1 04-111-21242Plugged Oil & gasDonald J. Bentley
B. & L. 1 04-111-00986Plugged Oil & gasOjai Oil Company
B. & L. 2 04-111-00987Plugged Oil & gasOjai Oil Company
B. & L. 3 04-111-00988Plugged Oil & gasOjai Oil Company
B. & L. 4 04-111-00989Plugged Oil & gasOjai Oil Company
Bailard-Kraemer 42 D-31 04-111-20094Plugged Dry holeChamplin Petroleum Co.
Bailard-Kraemer 1 04-111-21011Plugged Oil & gasVaca Energy, LLC
Bailard-Mee 1 04-111-00723Plugged Dry holeArco Oil and Gas Co.
Bailard-Mee 1 04-111-00751Plugged Dry holeChevron U.S.A. Inc.
Bailey 1 04-111-01351Plugged Oil & gasBentley Family Limited Partnership
Bailey 2 04-111-01352Plugged Oil & gasDonald J. Bentley
Bailey 3 04-111-01353Plugged Oil & gasDonald J. Bentley
Bailey 7 04-111-01356Plugged Oil & gasDonald J. Bentley
Bailey 11 04-111-01358Plugged Oil & gasBentley Family Limited Partnership
Bailey 6 04-111-05528Plugged Oil & gasDonald J. Bentley
Bailey 8 04-111-05529Plugged Oil & gasDonald J. Bentley
Baker-Hunter 1 04-111-05988Plugged Dry holeChevron U.S.A. Inc.
Baker-Hunter 2 04-111-05989Plugged Dry holeChevron U.S.A. Inc.
Baldwin 1 04-111-06084Plugged Dry holeMCOR Oil and Gas Corporation
Baldwin-Copa 1 04-111-06119Plugged Dry holeJohn Baldwin
Bank of A. Levy 1 04-111-05893Plugged Dry holeThe American Metal Co., Ltd
Bank of A. Levy 2 04-111-05894Plugged Dry holeThe American Metal Co., Ltd
Bank of A. Levy 3 04-111-05895Plugged Dry holeThe American Metal Co., Ltd
Bank of A. Levy 4 04-111-05896Plugged Dry holeThe American Metal Co., Ltd
Bannon-Silver K 1 04-111-05614Plugged Dry holeChevron U.S.A. Inc.
Bardsdale-Bell 1 04-111-00383Plugged Oil & gasCalNRG Operating, LLC
Bardsdale-Bell 2 04-111-00384Plugged Oil & gasCalNRG Operating, LLC
Bardsdale-Bell 4 04-111-00385Plugged Oil & gasCalNRG Operating, LLC
Bardsdale-Bell 3 04-111-00386Plugged Oil & gasCalNRG Operating, LLC
Bardsdale-Bell 5 04-111-00387Plugged Oil & gasCalNRG Operating, LLC
Bardsdale-Bell 6 04-111-00388Plugged Oil & gasCalNRG Operating, LLC
Bardsdale-Bell 7 04-111-00389Plugged Oil & gasCalNRG Operating, LLC
Barker-Ferndale 2 04-111-20604Plugged Oil & gasCarbon California Operating Company, LLC
Barker-Ferndale 5 04-111-20702Plugged DisposalCarbon California Operating Company, LLC
Barker-Ferndale 6 04-111-20730Plugged Oil & gasCarbon California Operating Company, LLC
Barnard 1 04-111-00975Plugged Dry holeHaney & Williams Drilling Co
Barnard 1 04-111-04271Plugged Oil & gasMobil Oil Corporation
Barnard 1-A 04-111-04272Plugged Oil & gasMobil Oil Corporation
Barnard 2 04-111-04273Plugged Water supplyAera Energy LLC
Barnard 3 04-111-04274Plugged Oil & gasAera Energy LLC
Barnard 3-A 04-111-04275Plugged Oil & gasAera Energy LLC
Barnard 4A 04-111-04277Plugged Oil & gasMobil Oil Corporation
Barnard 5 04-111-04278Plugged Oil & gasAera Energy LLC
Barnard 5-A 04-111-04279Plugged Oil & gasAera Energy LLC
Barnard 6 04-111-04280Plugged Oil & gasMobil Oil Corporation
Barnard 8 04-111-04282Plugged Oil & gasAera Energy LLC
Barnard 12 04-111-04285Plugged Oil & gasAera Energy LLC
Barnard 15 04-111-04286Plugged Oil & gasMobil Oil Corporation
Barnard 15A 04-111-04287Plugged Oil & gasAera Energy LLC
Barnard 16 04-111-04288Plugged Oil & gasAera Energy LLC
Barnard 18 04-111-04290Plugged Oil & gasAera Energy LLC
Barnard 30 04-111-04298Plugged OtherAera Energy LLC
Barnard 1 04-111-05440Plugged Oil & gasDecalta International Corporation
Barnard 1 04-111-05460Plugged Dry holeShell Western E&P Inc.
Barnard 1 04-111-05465Plugged Dry holeFreeport-McMoRan Oil & Gas LLC
Barndies 1 04-111-05626Plugged Dry holeC. A. Paimer, Trustee
Barnes-Sparks 2 04-111-00926Plugged Oil & gasLewis T. Lohman, Oper.
Barnes-Sparks 1 04-111-04266Plugged Oil & gasLewis T. Lohman, Oper.
Barrett 1 04-111-05546Plugged Dry holeEagle Oil & Refining Co. Inc.
Barrett-Crummer 1 04-111-05549Plugged Dry holeTerminal Drilling Company
Barrington 1 04-111-20013Plugged Dry holePetrominerals Corp.

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