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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—
(no name) Hobson Mystery Well 04-111-22420Permitted Oil & gas—
13X 3 04-111-22334Cancelled / expired Oil & gasINNEX California, Inc.
13X 3 04-111-22362Active Oil & gasCalNRG Operating, LLC
13X 2 04-111-22379Active Oil & gasCalNRG Operating, LLC
15X 2 04-111-22341Cancelled / expired Oil & gasINNEX California, Inc.
15X 3 04-111-22365Cancelled / expired Oil & gasINNEX California, Inc.
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
24-Triunfo 2 04-111-05556Plugged Dry holeBennett Expl. Co.
5X 2 04-111-22311Cancelled / expired Oil & gasINNEX California, Inc.
5X 2 04-111-22359Active Oil & gasCalNRG Operating, LLC
5X 3 04-111-22368Active Oil & gasCalNRG Operating, LLC
5X 4 04-111-22370Cancelled / expired Oil & gasINNEX California, Inc.
5X 5 04-111-22371Cancelled / expired Oil & gasINNEX California, Inc.
? ? 04-111-06374Plugged Dry holeVentura County Power Co.
? 04-111-06445Plugged Dry holeWeldon Oil Co.
? 04-111-21881Shut in Oil & gasMonarch Oil
? 04-111-21884Shut in Oil & gasMontana Petro. Corp.
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 101A 04-111-20325Shut in Dry holeIntercontinental Tech Group, Inc.
A. E. Sloan 102 04-111-20328Plugged DisposalIntercontinental Tech Group, Inc.
A. E. Sloan 103 04-111-20331Shut in Oil & gasSMG Oil, LLC
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.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.
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.
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
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 5 04-111-02343Shut in Oil & gasCalifornia Resources Production Corporation
Adams 6 04-111-02344Shut in Oil & gasCalifornia Resources Production Corporation
Adams 7 04-111-02345Plugged Oil & gasCalifornia Resources Production Corporation
Adams 8 04-111-02346Shut in Oil & gasCalifornia Resources Production Corporation
Adams 9 04-111-02347Plugged 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 13 04-111-02351Plugged 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 19 04-111-02357Plugged Oil & gasCalifornia Resources Production Corporation
Adams 20 04-111-02358Shut in Oil & gasCalifornia Resources Production Corporation
Adams 21 04-111-02359Plugged 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 26 04-111-02364Plugged Oil & gasCalifornia Resources Production Corporation
Adams 27 04-111-02365Plugged Oil & gasCalifornia Resources Production Corporation

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