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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
Frankel B 15 04-111-20736Active Oil & gasCarbon California Operating Company, LLC
Frankel B 16 04-111-20737Active Oil & gasCarbon California Operating Company, LLC
Frankel B 17 04-111-20738Active Oil & gasCarbon California Operating Company, LLC
Frankel B 18 04-111-20850Active Oil & gasCarbon California Operating Company, LLC
Frankel B 19 04-111-20904Active Oil & gasCarbon California Operating Company, LLC
Frankel B 20 04-111-20908Active Oil & gasCarbon California Operating Company, LLC
Frankel B 22 04-111-20950Active Oil & gasCarbon California Operating Company, LLC
Frankel B 23 04-111-20951Active Oil & gasCarbon California Operating Company, LLC
Frankel B 24 04-111-20954Active Oil & gasCarbon California Operating Company, LLC
Frankel B 25 04-111-20955Shut in Oil & gasCarbon California Operating Company, LLC
Frankel B 32 04-111-21251Active Oil & gasCarbon California Operating Company, LLC
Frankel B 31 04-111-21270Active Oil & gasCarbon California Operating Company, LLC
Frankel B 35 04-111-21280Shut in Oil & gasCarbon California Operating Company, LLC
Frankel B 30 04-111-21286Shut in Oil & gasCarbon California Operating Company, LLC
Frankel B 40 04-111-21297Active Oil & gasCarbon California Operating Company, LLC
Frankel B 34 04-111-21439Active Oil & gasCarbon California Operating Company, LLC
Frankel B 38 04-111-21440Active Oil & gasCarbon California Operating Company, LLC
Frankel B 39 04-111-21441Active Oil & gasCarbon California Operating Company, LLC
Frankel B 43 04-111-21442Active Oil & gasCarbon California Operating Company, LLC
Frankel B 46 04-111-21443Shut in Oil & gasCarbon California Operating Company, LLC
Frankel B 26 04-111-21468Active Oil & gasCarbon California Operating Company, LLC
Frankel B 27 04-111-21493Active Oil & gasCarbon California Operating Company, LLC
Frankel B 36 04-111-21494Active Oil & gasCarbon California Operating Company, LLC
Frankel B 37 04-111-21495Shut in Oil & gasCarbon California Operating Company, LLC
Frankel B 45 04-111-21496Shut in Oil & gasCarbon California Operating Company, LLC
Frankel B 49 04-111-21547Active Oil & gasCarbon California Operating Company, LLC
Frankel B 48 04-111-21556Active Oil & gasCarbon California Operating Company, LLC
Freeman 1 04-111-01180Active Oil & gasRes-Tech, Inc.
Freeman 2 04-111-01181Active Oil & gasRes-Tech, Inc.
Freeman 3 04-111-01182Shut in Oil & gasRes-Tech, Inc.
Freeman 5 04-111-01183Active Oil & gasRes-Tech, Inc.
Freeman 7 04-111-01185Active Oil & gasRes-Tech, Inc.
Freeman 8 04-111-01186Shut in DisposalRes-Tech, Inc.
Freeman 9 04-111-01187Active Oil & gasRes-Tech, Inc.
Friedrich Unit 1 1 04-111-20390Active Oil & gasCalNRG Operating, LLC
Friedrich Unit 1 2A 04-111-20416Active Oil & gasCalNRG Operating, LLC
Friedrich Unit 1 3 04-111-20421Active Oil & gasCalNRG Operating, LLC
Friedrich Unit 1 4A 04-111-20426Shut in DisposalCalNRG Operating, LLC
Friedrich Unit 1 5 04-111-20438Active Oil & gasCalNRG Operating, LLC
Friedrich Unit 1 6 04-111-21829Active Oil & gasCalNRG Operating, LLC
Friedrich Unit 1 7 04-111-21858Active Oil & gasCalNRG Operating, LLC
Friedrich Unit 1 8 04-111-21867Active Oil & gasCalNRG Operating, LLC
Friedrich Unit 1 9 04-111-21868Active Oil & gasCalNRG Operating, LLC
Friedrich Unit 1 10 04-111-21871Active Oil & gasCalNRG Operating, LLC
Friedrich Unit 2 1 04-111-20446Shut in DisposalCalNRG Operating, LLC
Friedrich Unit 2 3 04-111-20805Active Oil & gasCalNRG Operating, LLC
Friedrich Unit 2 5 04-111-21856Active Oil & gasCalNRG Operating, LLC
Friedrich Unit 3 2 04-111-20468Shut in Oil & gasTenneco Oil Company
Friedrich Unit 3 1 04-111-20472Active Oil & gasCalNRG Operating, LLC
Friedrich Unit 3 3 04-111-20634Active Oil & gasCalNRG Operating, LLC
Friedrich Unit 3 4 04-111-20645Active Oil & gasCalNRG Operating, LLC
Friedrich Unit 3 5 04-111-20662Active Oil & gasCalNRG Operating, LLC
Friedrich Unit 3 6 04-111-20669Active Oil & gasCalNRG Operating, LLC
Friedrich Unit 3 7 04-111-20680Active Oil & gasCalNRG Operating, LLC
Friedrich Unit 3 8 04-111-20718Active Oil & gasCalNRG Operating, LLC
Friedrich Unit 3 9 04-111-20826Active Oil & gasCalNRG Operating, LLC
Friedrich Unit 3 10 04-111-20845Active Oil & gasCalNRG Operating, LLC
Friedrich Unit 3 11 04-111-20865Active Oil & gasCalNRG Operating, LLC
Friedrich Unit 3 12A 04-111-21824Active Oil & gasCalNRG Operating, LLC
Friedrich Unit 3 13 04-111-21842Active Oil & gasCalNRG Operating, LLC
Friedrich Unit 3 14 04-111-21848Active Oil & gasCalNRG Operating, LLC
Friedrich Unit 3 15 04-111-21850Active Oil & gasCalNRG Operating, LLC
Geis-Robertson 1 04-111-00447Active Oil & gasCalNRG Operating, LLC
Geis-Robertson 18 04-111-00449Active Oil & gasCalNRG Operating, LLC
Geis-Robertson 20 04-111-00451Active Oil & gasCalNRG Operating, LLC
Geis-Robertson 22 04-111-00452Active Oil & gasCalNRG Operating, LLC
Geis-Robertson 23 04-111-00453Active Oil & gasCalNRG Operating, LLC
Geis-Robertson 25 04-111-00454Active Oil & gasCalNRG Operating, LLC
Gillibrand 13-18 04-111-04048Active Oil & gasCalNRG Operating, LLC
Gillibrand 14-18 04-111-04049Active Oil & gasCalNRG Operating, LLC
Gillibrand 11-7 04-111-04052Active Oil & gasCalNRG Operating, LLC
Gillibrand 24-18 04-111-20795Active Oil & gasCalNRG Operating, LLC
Gillibrand 30-18 04-111-20847Active Oil & gasCalNRG Operating, LLC
Gillibrand 31-7 04-111-20848Active Oil & gasCalNRG Operating, LLC
Gillibrand 32-18 04-111-20996Active Oil & gasCalNRG Operating, LLC
Gillibrand 35-18 04-111-20999Active Oil & gasCalNRG Operating, LLC
Gillibrand 36-18 04-111-21290Active Oil & gasCalNRG Operating, LLC
Gillibrand 38-18 04-111-21292Active Oil & gasCalNRG Operating, LLC
Gillibrand 39-18 04-111-21293Active Oil & gasCalNRG Operating, LLC
Gillibrand 40-18 04-111-21294Active Oil & gasCalNRG Operating, LLC
Gillibrand 41-18 04-111-21485Active Oil & gasCalNRG Operating, LLC
Goodman 1 04-111-02642Active DisposalCarbon California Operating Company, LLC
Goodman 2 04-111-02643Active Oil & gasCarbon California Operating Company, LLC
Goodman 3 04-111-20194Shut in DisposalCarbon California Operating Company, LLC
Goodman 4 04-111-20309Active Oil & gasCarbon California Operating Company, LLC
Goodman 5 04-111-20348Active Oil & gasCarbon California Operating Company, LLC
Goodman 6 04-111-21278Active Oil & gasCarbon California Operating Company, LLC
Gosnell 35 04-111-04428Active Oil & gasAera Energy LLC
Gosnell 40 04-111-04433Active Oil & gasAera Energy LLC
Gosnell 41 04-111-04434Active InjectionAera Energy LLC
Grayback 1 04-111-22378Active Oil & gasCalNRG Operating, LLC
Grubb 562 04-111-00142Shut in InjectionCalNRG Operating, LLC
Grubb 601 04-111-00143Shut in InjectionCalNRG Operating, LLC
Grubb 306 04-111-00161Shut in InjectionCalNRG Operating, LLC
Grubb 602 04-111-00162Shut in InjectionCalNRG Operating, LLC
Grubb 703 04-111-00215Shut in InjectionCalNRG Operating, LLC
Grubb 314 04-111-00276Shut in InjectionCalNRG Operating, LLC
Grubb 401 04-111-01861Active InjectionCalNRG Operating, LLC
Grubb 402 04-111-01862Shut in InjectionCalNRG Operating, LLC
Grubb 403 04-111-01863Shut in InjectionCalNRG Operating, LLC

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