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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
Converse 5 04-111-05484Shut in Oil & gasSouth Fork Ranch, LLC
Converse 6 04-111-22239Shut in Oil & gasCalNRG Operating, LLC
Core Hole 1 04-111-05644Shut in ServiceRobert Cannell
Cosmopolitan 2 04-111-00262Active Oil & gasCarbon California Operating Company, LLC
Cougar 1 04-111-20744Active Oil & gasRose Katherine Stone
Cougar 2 04-111-20812Active Oil & gasRose Katherine Stone
Crane 8 04-111-03196Active Oil & gasCalNRG Operating, LLC
Crane 9 04-111-03197Active Oil & gasCalNRG Operating, LLC
Crane 1 04-111-03758Active Oil & gasCalNRG Operating, LLC
Crane 2 04-111-03759Active Oil & gasCalNRG Operating, LLC
Crane 5 04-111-03762Active Oil & gasCalNRG Operating, LLC
Crane 6 04-111-03763Active Oil & gasCalNRG Operating, LLC
Crane 7 04-111-03764Active Oil & gasCalNRG Operating, LLC
Crestmont 14-55 04-111-20768Active Oil & gasCarbon California Operating Company, LLC
Crestmont 14-65 04-111-20774Active Oil & gasCarbon California Operating Company, LLC
Crocker Fee 15 04-111-01410Shut in Oil & gasChevron U.S.A. Inc.
Crocker Fee 23 04-111-01417Shut in Oil & gasChevron U.S.A. Inc.
Crocker Fee 27 04-111-06315Shut in Oil & gasChevron U.S.A. Inc.
Culbert 11 04-111-03765Active Oil & gasCalNRG Operating, LLC
Culbert 1 04-111-03766Active Oil & gasCalNRG Operating, LLC
Culbert 2 04-111-03767Active Oil & gasCalNRG Operating, LLC
Culbert 3 04-111-03768Active Oil & gasCalNRG Operating, LLC
Culbert 4 04-111-03769Active Oil & gasCalNRG Operating, LLC
Culbert 7 04-111-03772Active Oil & gasCalNRG Operating, LLC
Culbert 8 04-111-03773Active Oil & gasCalNRG Operating, LLC
Culbert 9 04-111-03774Active Oil & gasCalNRG Operating, LLC
Culbert 10 04-111-03775Active Oil & gasCalNRG Operating, LLC
Culbert 12 04-111-03776Active Oil & gasCalNRG Operating, LLC
Culbert 15 04-111-03779Active Oil & gasCalNRG Operating, LLC
Culbert 16 04-111-03780Active Oil & gasCalNRG Operating, LLC
Culbert 20 04-111-03784Active Oil & gasCalNRG Operating, LLC
Culbert 21 04-111-03785Active Oil & gasCalNRG Operating, LLC
Culbert 24 04-111-03788Active Oil & gasCalNRG Operating, LLC
Culbert 26 04-111-03790Active Oil & gasCalNRG Operating, LLC
Culbert 27 04-111-03791Active Oil & gasCalNRG Operating, LLC
Culbert 29 04-111-03793Active Oil & gasCalNRG Operating, LLC
Culbert 32 04-111-03796Active Oil & gasCalNRG Operating, LLC
Culbert 33 04-111-03797Active Oil & gasCalNRG Operating, LLC
Culbert 34 04-111-03798Active Oil & gasCalNRG Operating, LLC
Culbert 35 04-111-03799Active Oil & gasCalNRG Operating, LLC
Culbert 37 04-111-03801Active Oil & gasCalNRG Operating, LLC
Culbert 38 04-111-21632Active Oil & gasCalNRG Operating, LLC
Culbert 39 04-111-21639Active Oil & gasCalNRG Operating, LLC
Culbert 40 04-111-21640Active Oil & gasCalNRG Operating, LLC
Culbert 41 04-111-21641Active Oil & gasCalNRG Operating, LLC
Culbert 42 04-111-21647Active Oil & gasCalNRG Operating, LLC
Culbert 43 04-111-21648Active Oil & gasCalNRG Operating, LLC
Culbert 44 04-111-21837Active Oil & gasCalNRG Operating, LLC
Culbert 45 04-111-21838Active Oil & gasCalNRG Operating, LLC
Culbert 50 04-111-21839Active Oil & gasCalNRG Operating, LLC
Culbert 53 04-111-21845Active Oil & gasCalNRG Operating, LLC
Culbert 55 04-111-22118Active Oil & gasCalNRG Operating, LLC
Culbert 56 04-111-22119Active Oil & gasCalNRG Operating, LLC
Culbert 57 04-111-22397Active Oil & gasCalNRG Operating, LLC
D. A. West 7 04-111-20819Active Oil & gasCarbon California Operating Company, LLC
Dana 1-7 04-111-22086Active Oil & gasCalNRG Operating, LLC
Dana 2D-7 04-111-22124Active Oil & gasCalNRG Operating, LLC
Dana 3S-7 04-111-22126Active Oil & gasCalNRG Operating, LLC
Davis U.S.L. 83X-2 04-111-21154Shut in Oil & gasConcordia Resources, Inc.
Denison 1 04-111-04126Active Oil & gasCarbon California Operating Company, LLC
Diablo 1 04-111-04614Shut in Oil & gasJack Marantz, Ltd. Partnership
Diedrich 6 04-111-01334Shut in Oil & gasAnterra Energy Services, Inc.
Dorothy Moon 1 04-111-22089Active Oil & gasABA Energy Corporation
Dryden 10 04-111-00420Active Oil & gasCalNRG Operating, LLC
Dryden 11 04-111-00421Active Oil & gasCalNRG Operating, LLC
Dryden 12 04-111-00422Active Oil & gasCalNRG Operating, LLC
Dryden 13 04-111-00423Active Oil & gasCalNRG Operating, LLC
Dryden 14 04-111-00424Active Oil & gasCalNRG Operating, LLC
Dryden 15 04-111-00425Active Oil & gasCalNRG Operating, LLC
Dryden 16 04-111-00426Active Oil & gasCalNRG Operating, LLC
Dryden 17 04-111-00427Active Oil & gasCalNRG Operating, LLC
Dryden 18 04-111-00428Active Oil & gasCalNRG Operating, LLC
Dryden 20 04-111-00430Active Oil & gasCalNRG Operating, LLC
Dryden 23 04-111-00433Active Oil & gasCalNRG Operating, LLC
Dryden 25 04-111-21853Active Oil & gasCalNRG Operating, LLC
Dryden 26 04-111-21857Active Oil & gasCalNRG Operating, LLC
Dryden 27 04-111-21861Active Oil & gasCalNRG Operating, LLC
Dryden 29 04-111-22143Active Oil & gasCalNRG Operating, LLC
E. P. Clark 1 04-111-04086Active Oil & gasCarbon California Operating Company, LLC
E. P. Clark 2 04-111-04087Active Oil & gasCarbon California Operating Company, LLC
E. P. Clark 3 04-111-04088Active Oil & gasCarbon California Operating Company, LLC
E. P. Clark 4 04-111-04089Active Oil & gasCarbon California Operating Company, LLC
E. P. Clark 6 04-111-04091Active Oil & gasCarbon California Operating Company, LLC
E. P. Clark 9 04-111-04093Active Oil & gasCarbon California Operating Company, LLC
E. P. Clark 10 04-111-04094Active Oil & gasCarbon California Operating Company, LLC
E. P. Clark 11 04-111-04095Active Oil & gasCarbon California Operating Company, LLC
E. P. Clark 12 04-111-04096Active Oil & gasCarbon California Operating Company, LLC
E. P. Clark 14 04-111-04098Active Oil & gasCarbon California Operating Company, LLC
E. P. Clark 15 04-111-04099Shut in DisposalCarbon California Operating Company, LLC
E. P. Clark 16 04-111-04100Active Oil & gasCarbon California Operating Company, LLC
E. P. Clark 17 04-111-04101Active Oil & gasCarbon California Operating Company, LLC
E. P. Clark 18 04-111-04102Shut in DisposalCarbon California Operating Company, LLC
E. P. Clark 20 04-111-04104Active Oil & gasCarbon California Operating Company, LLC
E. P. Clark 21 04-111-04105Active Oil & gasCarbon California Operating Company, LLC
E. P. Clark 22 04-111-04106Active Oil & gasCarbon California Operating Company, LLC
E. P. Clark 901 04-111-04116Active Oil & gasCarbon California Operating Company, LLC
E. P. Clark 2 04-111-04128Active Oil & gasCarbon California Operating Company, LLC
E. P. Clark 3 04-111-04129Active Oil & gasCarbon California Operating Company, LLC
E. P. Clark 23 04-111-20820Active Oil & gasCarbon California Operating Company, LLC
E. P. Clark 24 04-111-21524Active Oil & gasCarbon California Operating Company, LLC

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