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Monterey County, CA oil and gas wells

3,879 wells: 848 active, 2,536 plugged, run by 202 operators.

Figures from the California Geologic Energy Management Division (CalGEM), updated 2026-10-19.

Top operators in Monterey

OperatorActiveWells here
Aera Energy LLC3891,519
Chevron U.S.A. Inc.3721,655
CalNRG Operating, LLC3859
NY Oil, Inc.2944
Pacific Coast Energy Company LP1533
Trio Petroleum LLC325
Reabold California, LLC29
Shell Western E&P Inc.051
Exxon Mobil Corporation036
El Dorado Exploration Co.025
Paris Valley Petroleum023
Tri-Valley Oil & Gas Co.020
California Oil Independents017
Marport Oil Co.015
Phillips Petroleum Company015
U. S. Geological Survey013
Barron Kidd012
Ogle Petroleum Inc.09
Union Oil Company of California09
California Resources Production Corporation06
Concord Oil Co.06
Oryx Energy Company06
W. W. Holmes, Operator06
Cities Service Oil Co.05
Marathon Oil Company05

Wells

Not plugged · All wells · Plugged · Orphaned

WellAPI / IDStatusTypeOperator
A. J. Zabala 1 04-053-01228Plugged Dry holeExxon Mobil Corporation
A. Orradre Et Ux 1 04-053-01220Plugged Dry holeExxon Mobil Corporation
ARCO Jory Et Al 1 04-053-20189Plugged Dry holeSan Joaquin Drilling Co.
ARCO Plaskett 1 04-053-20188Plugged Dry holeSan Joaquin Drilling Co.
ARCO-Anderson 1 04-053-20270Plugged Dry holeLuther T. Mayo
Adrian Orradre 1 04-053-01198Plugged Dry holeHelm Co. -H R & Robt Sumpf
Adrian Orradre 2 04-053-01199Plugged Dry holeHelm Co. -H R & Robt Sumpf
Adrian Orradre 1 04-053-01399Plugged Dry holeChevron U.S.A. Inc.
Agostini 1 04-053-20283Plugged Dry holeCastro Expl Co.
Alexander A-1 04-053-00099Plugged Oil & gasNY Oil, Inc.
Alexander A-2 04-053-00100Active Oil & gasNY Oil, Inc.
Alexander A-3 04-053-00101Active Oil & gasNY Oil, Inc.
Alexander 35-16 04-053-01124Plugged Dry holeBP Exploration Inc.
Alexander 88-5 04-053-01153Plugged Oil & gasConoco Inc.
Alexander 37X-28 04-053-01272Plugged Dry holeChevron U.S.A. Inc.
Alexander 33-15 04-053-01385Plugged Dry holeOryx Energy Company
Alexander 1 04-053-20100Plugged Oil & gasArco Oil and Gas Co.
Alexander 1-10 04-053-20211Plugged Dry holeUnion Oil Company of California
Alexander 1-4 04-053-20212Plugged Dry holeUnion Oil Company of California
Alexander 13 04-053-20624Active Oil & gasNY Oil, Inc.
Alexander 14 04-053-20625Active Oil & gasNY Oil, Inc.
Alexander 15 04-053-20626Active Oil & gasNY Oil, Inc.
Alexander 16 04-053-20653Active Oil & gasNY Oil, Inc.
Alexander 17 04-053-20654Active Oil & gasNY Oil, Inc.
Alexander 18 04-053-20655Plugged Oil & gasNY Oil, Inc.
Alexander 19 04-053-20656Active Oil & gasNY Oil, Inc.
Alexander 20 04-053-20657Shut in Oil & gasNY Oil, Inc.
Alexander 21 04-053-20658Active Oil & gasNY Oil, Inc.
Alexander 22 04-053-20659Active Oil & gasNY Oil, Inc.
Alexander 23 04-053-20660Active Oil & gasNY Oil, Inc.
Alexander 24 04-053-20661Shut in Oil & gasNY Oil, Inc.
Alexander 25 04-053-20662Active Oil & gasNY Oil, Inc.
Alexander 26 04-053-20663Active Oil & gasNY Oil, Inc.
Alexander A-4 04-053-20728Active Oil & gasNY Oil, Inc.
Alexander A-8 04-053-20729Active Oil & gasNY Oil, Inc.
Alexander 1-9 04-053-20730Plugged Dry holeGrace Petroleum Corp.
Alexander A-5 04-053-20745Active Oil & gasNY Oil, Inc.
Alexander A-6 04-053-20746Active Oil & gasNY Oil, Inc.
Alexander A-7 04-053-20747Active Oil & gasNY Oil, Inc.
Alexander A-9 04-053-20748Active Oil & gasNY Oil, Inc.
Alexander A-10 04-053-20749Shut in Oil & gasNY Oil, Inc.
Alexander 1 04-053-20773Plugged Dry holeChevron U.S.A. Inc.
Alexander 1-15 04-053-20794Plugged Dry holeGrace Petroleum Corp.
Alexander B 1 04-053-00548Shut in Oil & gasNY Oil, Inc.
Alice Garrissere 1 04-053-01401Plugged Dry holeChevron U.S.A. Inc.
Anderson Nicolini 1 04-053-01239Plugged Dry holeBarron Kidd
Aniotzbehere 1 04-053-01097Plugged Oil & gasPetroleum Securities Co.
Anna L. Paulsen Et Al 1 04-053-01207Plugged Dry holeExxon Mobil Corporation
Ansberry 1 04-053-01099Plugged Oil & gasOryx Energy Company
Ansberry 1 04-053-01103Plugged Oil & gasConcord Oil Co.
Ansberry 1 04-053-01402Plugged Oil & gasChevron U.S.A. Inc.
Ansberry 5D-2 04-053-20537Plugged Oil & gasMarathon Oil Company
Ansberry 13C-35 04-053-20538Plugged Oil & gasParis Valley Petroleum
Ansberry 1-2 04-053-20561Plugged Oil & gasParis Valley Petroleum
Ansberry 2-3 04-053-20563Plugged Oil & gasParis Valley Petroleum
Ansberry 3-2 04-053-20564Shut in Oil & gasCalifornia Resources Production Corporation
Ansberry 4-2 04-053-20565Plugged Oil & gasParis Valley Petroleum
Ansberry 5-2 04-053-20566Plugged Oil & gasParis Valley Petroleum
Ansberry 6-3 04-053-20567Plugged InjectionParis Valley Petroleum
Ansberry 7-2 04-053-20568Plugged Oil & gasParis Valley Petroleum
Ansberry 8-2 04-053-20569Plugged InjectionCalifornia Resources Production Corporation
Ansberry 9-2 04-053-20582Plugged Oil & gasParis Valley Petroleum
Ansberry 16-2 04-053-20630Plugged Oil & gasParis Valley Petroleum
Ansberry 17-2 04-053-20631Plugged Oil & gasParis Valley Petroleum
Ansberry 18-2 04-053-20632Shut in InjectionCalifornia Resources Production Corporation
Ansberry 19-2 04-053-20633Shut in Oil & gasCalifornia Resources Production Corporation
Ansberry 20-2 04-053-20634Plugged Oil & gasParis Valley Petroleum
Ansberry 21-2 04-053-20635Plugged Oil & gasParis Valley Petroleum
Ansberry 22-2 04-053-20636Plugged InjectionParis Valley Petroleum
Ansberry 23-2 04-053-20637Plugged Oil & gasParis Valley Petroleum
Ansberry 24-2 04-053-20638Plugged DisposalParis Valley Petroleum
Ansberry 10-2 04-053-20639Plugged Oil & gasParis Valley Petroleum
Ansberry 11-2 04-053-20640Shut in Oil & gasCalifornia Resources Production Corporation
Ansberry 12-2 04-053-20641Plugged OtherParis Valley Petroleum
Ansberry 13-2 04-053-20642Plugged Oil & gasParis Valley Petroleum
Ansberry 14-2 04-053-20643Plugged Oil & gasParis Valley Petroleum
Ansberry 15-2 04-053-20644Plugged OtherParis Valley Petroleum
Ansberry 1 04-053-20772Plugged Dry holeN. F. C. Petro. Corp.
Ansberry M-2 04-053-20780Plugged Oil & gasParis Valley Petroleum
Ansberry M-1 04-053-20781Plugged Oil & gasParis Valley Petroleum
Ansberry B 1 04-053-01403Plugged Dry holeChevron U.S.A. Inc.
Ansberry B1 1 04-053-01105Plugged Oil & gasMarathon Oil Company
Ansberry B2 1 04-053-01106Plugged Oil & gasMarathon Oil Company
Ansberry B7 1 04-053-01104Shut in Oil & gasMarport Oil Co.
Ansberry B8 1 04-053-01492Plugged Oil & gasMarport Oil Co.
Ansberry Two 1 04-053-01092Plugged Oil & gasExxon Mobil Corporation
Ansberry Two 2 04-053-01093Plugged Oil & gasExxon Mobil Corporation
Anvil Bar 75-26 04-053-21651Plugged Oil & gasTrio Petroleum LLC
Arroyo Seco 1 04-053-01404Plugged Dry holeChevron U.S.A. Inc.
Arroyo Seco-Federal 48X-11 04-053-21209Plugged Dry holeKoch Exploration Company
Ash-Sorenson 1 04-053-00006Plugged Dry holeFred Ash & Sons
Ash-Sorenson 2 04-053-20060Plugged Dry holeFred Ash & Sons
Aurignac 1 04-053-00102Plugged Oil & gasExxon Mobil Corporation
Aurignac 2 04-053-00103Plugged Oil & gasExxon Mobil Corporation
Aurignac 1 04-053-00550Plugged Oil & gasChevron U.S.A. Inc.
Aurignac 2 04-053-00576Plugged Oil & gasChevron U.S.A. Inc.
Aurignac 2A 04-053-00577Plugged Oil & gasChevron U.S.A. Inc.
Aurignac C-1 04-053-00578Plugged Oil & gasChevron U.S.A. Inc.
Aurignac 3 04-053-01405Plugged Dry holeChevron U.S.A. Inc.
Aurignac (NCT-1) 27 04-053-00013Plugged Oil & gasChevron U.S.A. Inc.

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