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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) Hobson Mystery Well 04-111-22420Permitted Oil & gas—
13X 3 04-111-22362Active Oil & gasCalNRG Operating, LLC
13X 2 04-111-22379Active Oil & gasCalNRG Operating, LLC
15X 4 04-111-22366Shut in Oil & gasPacific Coast Energy Company LP
15X 5 04-111-22367Shut in Oil & gasPacific Coast Energy Company LP
16X 2 04-111-22342Shut in Oil & gasPacific Coast Energy Company LP
16X 3 04-111-22369Shut in Oil & gasPacific Coast Energy Company LP
5X 2 04-111-22359Active Oil & gasCalNRG Operating, LLC
5X 3 04-111-22368Active Oil & gasCalNRG Operating, LLC
? 04-111-21881Shut in Oil & gasMonarch Oil
? 04-111-21884Shut in Oil & gasMontana Petro. Corp.
A. E. Sloan 101A 04-111-20325Shut in Dry holeIntercontinental Tech Group, Inc.
A. E. Sloan 103 04-111-20331Shut in Oil & gasSMG Oil, LLC
A.D.P. Federal 1 04-111-20621Active Oil & gasCarbon California Operating Company, LLC
A.D.P. Hopper Ranch 3-43 04-111-20595Active Oil & gasChemassist, L.L.C.
A.D.P. Hunter-Rogers 3-53 04-111-20640Active Water supplyChemassist, L.L.C.
A.D.P. Rehart-Hunter 3-11 04-111-20579Shut in Oil & gasChemassist, L.L.C.
A.D.P. Rehart-Hunter 3-21 04-111-20594Active Oil & gasChemassist, L.L.C.
AM 86 04-111-00992Active Oil & gasSilver Exploration Company
AOG 10P 04-111-20320Active Oil & gasCalNRG Operating, LLC
AR-Strand 81-29 04-111-20974Active Oil & gasCarbon California Operating Company, LLC
Adams 5 04-111-02343Shut in Oil & gasCalifornia Resources Production Corporation
Adams 6 04-111-02344Shut in Oil & gasCalifornia Resources Production Corporation
Adams 8 04-111-02346Shut in Oil & gasCalifornia Resources Production Corporation
Adams 10 04-111-02348Shut in Oil & gasCalifornia Resources Production Corporation
Adams 11 04-111-02349Shut in Oil & gasCalifornia Resources Production Corporation
Adams 12 04-111-02350Shut in Oil & gasCalifornia Resources Production Corporation
Adams 14 04-111-02352Shut in Oil & gasCalifornia Resources Production Corporation
Adams 15 04-111-02353Shut in Oil & gasCalifornia Resources Production Corporation
Adams 16 04-111-02354Shut in Oil & gasCalifornia Resources Production Corporation
Adams 17 04-111-02355Shut in Oil & gasCalifornia Resources Production Corporation
Adams 18 04-111-02356Shut in Oil & gasCalifornia Resources Production Corporation
Adams 20 04-111-02358Shut in Oil & gasCalifornia Resources Production Corporation
Adams 22 04-111-02360Shut in Oil & gasCalifornia Resources Production Corporation
Adams 23 04-111-02361Shut in Oil & gasCalifornia Resources Production Corporation
Adams 24 04-111-02362Shut in Oil & gasCalifornia Resources Production Corporation
Adams 25 04-111-02363Shut in Oil & gasCalifornia Resources Production Corporation
Adams 28 04-111-02366Shut in Oil & gasCalifornia Resources Production Corporation
Adams 30 04-111-02368Shut in Oil & gasCalifornia Resources Production Corporation
Adams 34 04-111-02372Shut in Oil & gasCalifornia Resources Production Corporation
Adams-Aguirre 102 04-111-01469Shut in Oil & gasT. E. Adams Petroleum Corp.
Adams-Aguirre 103 04-111-01470Shut in Oil & gasT. E. Adams Petroleum Corp.
Adams-Aguirre 104 04-111-01471Shut in Oil & gasT. E. Adams Petroleum Corp.
Adams-Aguirre 105 04-111-01472Shut in Oil & gasT. E. Adams Petroleum Corp.
Adams-Aguirre 106 04-111-01473Shut in Oil & gasT. E. Adams Petroleum Corp.
Adams-Aguirre 108 04-111-01475Shut in Oil & gasT. E. Adams Petroleum Corp.
Adams-Aguirre 109 04-111-01476Shut in Oil & gasT. E. Adams Petroleum Corp.
Adams-Aguirre 110 04-111-01477Shut in Oil & gasT. E. Adams Petroleum Corp.
Adams-Aguirre 111 04-111-01478Active Oil & gasT. E. Adams Petroleum Corp.
Adams-Aguirre 101 04-111-05519Active DisposalT. E. Adams Petroleum Corp.
Agnew 1 04-111-20696Active Oil & gasCarbon California Operating Company, LLC
Agnew 2 04-111-20802Active Oil & gasCarbon California Operating Company, LLC
Agnew 3 04-111-21193Active Oil & gasCarbon California Operating Company, LLC
Aguirre 200 04-111-01451Active Oil & gasCbase Corporation
Aguirre 202 04-111-01453Active Oil & gasCbase Corporation
Aguirre 203 04-111-01454Active Oil & gasCbase Corporation
Aguirre 204 04-111-01455Active Oil & gasCbase Corporation
Aguirre 205 04-111-01456Active Oil & gasCbase Corporation
Aguirre 206 04-111-01457Active Oil & gasCbase Corporation
Aguirre 207 04-111-01458Active Oil & gasCbase Corporation
Aguirre 208 04-111-01459Active Oil & gasCbase Corporation
Aguirre 209 04-111-01460Active Oil & gasCbase Corporation
Alamo 1 04-111-21656Shut in Oil & gasFreeport-McMoRan Oil & Gas LLC
Alexander 1 04-111-20473Shut in Oil & gasAstarta Springs Sustainable Farms LLC
Aliso 1 04-111-06406Shut in Oil & gasCalifornia Resources Production Corporation
Anlauf 1 04-111-02384Shut in Oil & gasUnion Oil Company of California
Anlauf 2 04-111-06302Shut in Oil & gasUnion Oil Company of California
Anza-Mohawk 25-29 04-111-02744Active Oil & gasCarbon California Operating Company, LLC
Anza-Mohawk 57-28 04-111-20030Active Oil & gasCarbon California Operating Company, LLC
Anza-Orcutt Unit 57X-28 04-111-21298Active Oil & gasCarbon California Operating Company, LLC
Anza-Reserve 71-29 04-111-20973Active Oil & gasCarbon California Operating Company, LLC
Arco 1 04-111-20450Active Oil & gasCarbon California Operating Company, LLC
Arco 7 04-111-20633Active Oil & gasCarbon California Operating Company, LLC
Arco 8 04-111-20641Active Oil & gasCarbon California Operating Company, LLC
Arco 9 04-111-20647Active Oil & gasCarbon California Operating Company, LLC
Arco 10 04-111-20658Active Oil & gasCarbon California Operating Company, LLC
Arco 11 04-111-20659Active Oil & gasCarbon California Operating Company, LLC
Arco 12 04-111-20765Active Oil & gasCarbon California Operating Company, LLC
Arco 13 04-111-20813Active Oil & gasCarbon California Operating Company, LLC
Arco 20 04-111-20843Active Oil & gasCarbon California Operating Company, LLC
Arco 16 04-111-20872Active Oil & gasCarbon California Operating Company, LLC
Arco 18 04-111-20873Active Oil & gasCarbon California Operating Company, LLC
Arco 21 04-111-20883Active Oil & gasCarbon California Operating Company, LLC
Arco 22 04-111-21000Active Oil & gasCarbon California Operating Company, LLC
Arco 17 04-111-21090Active Oil & gasCarbon California Operating Company, LLC
Arco 19 04-111-21114Shut in Oil & gasCarbon California Operating Company, LLC
Arco 14 04-111-21124Active Oil & gasCarbon California Operating Company, LLC
Arco 27 04-111-21134Active Oil & gasCarbon California Operating Company, LLC
Arco 23 04-111-21186Shut in DisposalCarbon California Operating Company, LLC
Arco 28 04-111-21188Active Oil & gasCarbon California Operating Company, LLC
Arco 15 04-111-21192Active Oil & gasCarbon California Operating Company, LLC
Arco 29 04-111-21207Active Oil & gasCarbon California Operating Company, LLC
Arco 25 04-111-21272Active Oil & gasCarbon California Operating Company, LLC
Arco 26 04-111-21273Active Oil & gasCarbon California Operating Company, LLC
Arundell 72A-5 04-111-20041Shut in Oil & gasCarbon California Operating Company, LLC
Arundell 72B-5 04-111-20069Shut in Oil & gasCarbon California Operating Company, LLC
Arundell 11-4 04-111-20172Active Oil & gasCarbon California Operating Company, LLC
Astarta 1 04-111-01243Shut in Oil & gasAstarta Springs Sustainable Farms LLC
Astarta 2 04-111-01244Shut in Oil & gasAstarta Springs Sustainable Farms LLC
Astarta 3 04-111-01245Shut in Oil & gasAstarta Springs Sustainable Farms LLC

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