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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
(no name) 1 04-111-06286Plugged Dry hole—
(no name) 1 04-111-21320Plugged Oil & gas—
(no name) 1 04-111-21531Plugged Dry holeJohn Lloyd Butler Trust
(no name) DH1 04-111-22419Plugged Dry hole—
24-Triunfo 2 04-111-05556Plugged Dry holeBennett Expl. Co.
? ? 04-111-06374Plugged Dry holeVentura County Power Co.
? 04-111-06445Plugged Dry holeWeldon Oil Co.
A 1 04-111-00002Plugged Oil & gasPRE Resources, LLC
A 2 04-111-00003Plugged Oil & gasChevron U.S.A. Inc.
A 3 04-111-00004Plugged Oil & gasChevron U.S.A. Inc.
A. E. Sloan 105 04-111-00616Plugged Oil & gasIntercontinental Tech Group, Inc.
A. E. Sloan 101 04-111-20311Plugged Oil & gasMercury Oil Co.
A. E. Sloan 102 04-111-20328Plugged DisposalIntercontinental Tech Group, Inc.
A. E. Sloan 104 04-111-20372Plugged Oil & gasIntercontinental Tech Group, Inc.
A. E. Sloan, et ux 1 04-111-05972Plugged Dry holeExxon Mobil Corporation
A. L. Gordon Estate 1 04-111-01263Plugged Oil & gasShell Western E&P Inc.
A. L. Gordon Estate 2B 04-111-01264Plugged Oil & gasShell Western E&P Inc.
A. L. Gordon Estate 3 04-111-01265Plugged Oil & gasShell Western E&P Inc.
A. L. Gordon Estate 4 04-111-01266Plugged Oil & gasShell Western E&P Inc.
A. L. Gordon Estate 5 04-111-01267Plugged Oil & gasShell Western E&P Inc.
A. L. Gordon Estate 6 04-111-01268Plugged Oil & gasShell Western E&P Inc.
A. L. Gordon Estate 7 04-111-01269Plugged Oil & gasShell Western E&P Inc.
A. L. Gordon Estate 8A 04-111-01270Plugged Oil & gasShell Western E&P Inc.
A. L. Gordon Estate 9 04-111-01271Plugged Oil & gasShell Western E&P Inc.
A. L. Gordon Estate 10A 04-111-01272Plugged Oil & gasShell Western E&P Inc.
A. L. Gordon Estate 11 04-111-01273Plugged Oil & gasShell Western E&P Inc.
A. L. Gordon Estate 308 04-111-01274Plugged Oil & gasShell Western E&P Inc.
A. Pfeiler Est. 1 04-111-01144Plugged Dry holePetan Co.
A. Wood 1 04-111-06169Plugged Dry holeShell Western E&P Inc.
A. Wood 2 04-111-06171Plugged Dry holeShell Western E&P Inc.
A.C.L. 4 04-111-00289Plugged Dry holeTransco Oil & Gas, Inc.
A.S. Edwards 1 04-111-05743Plugged Dry holeSanta Fe Drilling Company
ACL 1 04-111-00511Plugged Oil & gasHammond Canyon I, Inc.
ACL 2 04-111-00512Plugged Oil & gasHammond Canyon I, Inc.
ACL 3 04-111-00513Plugged Oil & gasHammond Canyon I, Inc.
AL&C 1 04-111-21099Plugged Oil & gasGeo Petroleum Inc.
AWS 1 04-111-21651Plugged Water supplyAera Energy LLC
Acorn 1 04-111-00373Plugged Oil & gasCalNRG Operating, LLC
Acorn 2 04-111-00374Plugged Oil & gasCalNRG Operating, LLC
Acorn 3 04-111-00375Plugged Oil & gasCalNRG Operating, LLC
Acorn 4 04-111-00376Plugged Oil & gasCalNRG Operating, LLC
Acorn 5 04-111-00377Plugged Oil & gasCalNRG Operating, LLC
Acorn 6 04-111-00378Plugged Oil & gasCalNRG Operating, LLC
Acorn 7 04-111-00379Plugged Oil & gasCalNRG Operating, LLC
Acorn 8 04-111-00380Plugged Oil & gasCalNRG Operating, LLC
Acorn 9 04-111-00381Plugged Oil & gasCalNRG Operating, LLC
Acorn 10 04-111-00382Plugged Oil & gasFreeport-McMoRan Oil & Gas LLC
Adams 1 04-111-02340Plugged Oil & gasCalifornia Resources Production Corporation
Adams 3 04-111-02341Plugged Oil & gasCalifornia Resources Production Corporation
Adams 4 04-111-02342Plugged Oil & gasCalifornia Resources Production Corporation
Adams 7 04-111-02345Plugged Oil & gasCalifornia Resources Production Corporation
Adams 9 04-111-02347Plugged Oil & gasCalifornia Resources Production Corporation
Adams 13 04-111-02351Plugged Oil & gasCalifornia Resources Production Corporation
Adams 19 04-111-02357Plugged Oil & gasCalifornia Resources Production Corporation
Adams 21 04-111-02359Plugged Oil & gasCalifornia Resources Production Corporation
Adams 26 04-111-02364Plugged Oil & gasCalifornia Resources Production Corporation
Adams 27 04-111-02365Plugged Oil & gasCalifornia Resources Production Corporation
Adams 29 04-111-02367Plugged Oil & gasCalifornia Resources Production Corporation
Adams 31 04-111-02369Plugged Oil & gasCalifornia Resources Production Corporation
Adams 32 04-111-02370Plugged Oil & gasCalifornia Resources Production Corporation
Adams 33 04-111-02371Plugged Oil & gasCalifornia Resources Production Corporation
Adams 35 04-111-02373Plugged Oil & gasCalifornia Resources Production Corporation
Adams 40 04-111-02374Plugged Oil & gasCalifornia Resources Production Corporation
Adams 41 04-111-02375Plugged Oil & gasUnion Oil Company of California
Adams 42 04-111-02376Plugged Oil & gasCalifornia Resources Production Corporation
Adams 44 04-111-02378Plugged Oil & gasCalifornia Resources Production Corporation
Adams 2 04-111-06265Plugged Oil & gasCalifornia Resources Production Corporation
Adams 48 04-111-20810Plugged Oil & gasCalifornia Resources Production Corporation
Adams Canyon 04-111-06407Plugged Oil & gas—
Adams Canyon 04-111-06410Plugged Oil & gasGreen Oil Tunnel
Adams U.S. 1 04-111-06153Plugged Dry holeArco Oil and Gas Co.
Adams Unknown 1 04-111-21865Plugged Oil & gasCalifornia Resources Production Corporation
Adams Unknown 2 04-111-21866Plugged Oil & gasUnion Oil Company of California
Adams-Aguirre 107 04-111-01474Plugged Oil & gasChevron U.S.A. Inc.
Adams-Aguirre 1 04-111-20566Plugged Dry holeChevron U.S.A. Inc.
Adamson 1 04-111-02266Plugged Oil & gasRevo Oil Co.
Adamson 2 04-111-05578Plugged Oil & gasRevo Oil Co.
Adamson 2 04-111-21898Plugged Dry holeRevo Oil Co.
Addie 1-1 04-111-06271Plugged Dry holeD. V. Nelson
Aeco-Nordon-Sunset-Tapo 2-13 04-111-03865Plugged Dry holeAeco Corporation
Aeco-Nordon-Sunset-Tapo 1-13 04-111-03866Plugged Dry holeAeco Corporation
Aggie 1 04-111-04074Plugged Dry holeGinger Oil Co.
Aguirre 201 04-111-01452Plugged Oil & gasChevron U.S.A. Inc.
Alamos 3-31 04-111-20321Plugged Oil & gasUnion Oil Company of California
Alamos 4-31 04-111-20335Plugged Oil & gasUnion Oil Company of California
Alamos 6-31 04-111-20496Plugged Oil & gasUnion Oil Company of California
Alamos 7-32 04-111-20530Plugged Oil & gasUnion Oil Company of California
Albacore 1 04-111-05617Plugged Dry holeBurke A. Thomas
Albertson 1 04-111-05553Plugged Dry holeMacmillan Petroleum Corp.
Alexander 1 04-111-20916Plugged Oil & gasCabeen Exploration Corp
Alice 1 04-111-00612Plugged Oil & gasS. H. Havlin & F.M. Pottenger
Aliso 2 04-111-02379Plugged Oil & gasCalifornia Resources Production Corporation
Aliso 4 04-111-02380Plugged Oil & gasCalifornia Resources Production Corporation
Aliso 5 04-111-02381Plugged Oil & gasCalifornia Resources Production Corporation
Aliso 7 04-111-02382Plugged Oil & gasCalifornia Resources Production Corporation
Aliso 10 04-111-02383Plugged Oil & gasCalifornia Resources Production Corporation
Aliso 9 04-111-06249Plugged Oil & gasCalifornia Resources Production Corporation
Aliso 8 04-111-06403Plugged Oil & gasCalifornia Resources Production Corporation
Aliso 3 04-111-06405Plugged Oil & gasCalifornia Resources Production Corporation
Alpha 1 04-111-03868Plugged Dry holeMurray-Teague Assoc.

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