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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
Biaggi 1 04-053-00448Plugged Oil & gasChevron U.S.A. Inc.
Biaggi 2 04-053-00449Plugged Oil & gasChevron U.S.A. Inc.
Biaggi 1 04-053-01201Plugged Dry holeW. W. Holmes, Operator
Bingaman 1 04-053-00034Plugged Dry holeOccidental Petroleum Corporation
Bingaman 1 04-053-01167Plugged Dry holeFerguson & Bosworth
Bingaman 1 04-053-01411Plugged Dry holeChevron U.S.A. Inc.
Bingaman 2 04-053-01412Plugged Dry holeChevron U.S.A. Inc.
Bingaman 1 04-053-20183Plugged Dry holeFleet Expl Ltd
Bingaman 1 04-053-20543Plugged Dry holeArgosy Oil Company
Bishop-Cuyama O'reilly 1 04-053-00549Plugged Dry holeBishop Oil Company
Blohm 1 04-053-01204Plugged Dry holeExxon Mobil Corporation
Bradley Minerals 1-6 04-053-21232Plugged Dry holeBP Exploration Inc.
Branch 1 04-053-01306Plugged Dry holeShell Western E&P Inc.
Branch 2 04-053-01307Plugged Dry holeShell Western E&P Inc.
Bray-Rist Comm. 1 04-053-20674Plugged Dry holeTheodore R Youderian
Brinan 1 04-053-01080Plugged Oil & gasTony Landino
Brinan 1 04-053-01088Plugged Oil & gasChevron U.S.A. Inc.
Brinan 2 04-053-01089Plugged Oil & gasChevron U.S.A. Inc.
Brinan 1 04-053-01274Plugged Dry holeMoriqui Exploration Co.
Brinan A 7 04-053-21194Plugged Oil & gasPhillips Petroleum Company
Brinan C.H. 1-4 04-053-01413Plugged Dry holeChevron U.S.A. Inc.
Brinan Core Hole 1-14 04-053-01062Plugged ServiceChevron U.S.A. Inc.
Brown 86X-15 04-053-01308Plugged Dry holeShell Western E&P Inc.
Brown-Soco-Forster 32X-34 04-053-20324Plugged Dry holeE. C. Brown
Brown-Soco-Forster 32X-34A 04-053-20333Plugged Dry holeE. C. Brown
Brown-Soco-Wolf 51X-15 04-053-20323Plugged Dry holeE. C. Brown
Burden 1 04-053-01276Plugged Dry holeNewton Drilling Co. Inc. Op
Burnett 2 04-053-20903Plugged Oil & gasReabold California, LLC
Burnett 3 04-053-21117Plugged Oil & gasReabold California, LLC
Burreson 1 04-053-20266Plugged Oil & gasEnergy Production & Sales Co.
Burreson 2 04-053-20294Plugged Oil & gasCommercial - Petro Gas Inc.
Burreson-C.O.C. 1 04-053-20418Plugged Dry holeCommercial - Petro Gas Inc.
Buttes-Work 1 04-053-01142Plugged Dry holeButtes Resources Company
C. N. Thorup 1 04-053-01221Plugged Dry holeExxon Mobil Corporation
C.C.W.C. 1 04-053-01202Plugged Dry holeW. W. Holmes, Operator
California Land & Cattle Co 1 04-053-01414Plugged Dry holeChevron U.S.A. Inc.
Camp Roberts Federal 1 04-053-21446Plugged Dry holeAmoco Production Company
Capital Company C-1 04-053-01209Plugged Dry holeExxon Mobil Corporation
Capurro 1 04-053-01294Plugged Dry holePrecision Drilling Co.
Carmen Dunn 1 04-053-01113Plugged Oil & gasBarron Kidd
Chesholm 1 04-053-20865Plugged Dry holeChevron U.S.A. Inc.
Cholame Ranch 26A 04-053-01138Plugged Dry holeThe British American Oil Producing Company
Cholame Ranch Core Hole 2 04-053-01137Plugged ServiceThe British American Oil Producing Company
Cholame Ranch Core Hole 1 04-053-01139Plugged ServiceThe British American Oil Producing Company
Clark 1 04-053-20731Plugged Dry holeChevron U.S.A. Inc.
Coldwell-Banker C.H. 1 04-053-20132Plugged Dry holeChevron U.S.A. Inc.
Colgrove-Taylor 83-22 04-053-01286Plugged Dry holePeak Oil Tool Service Inc.
Colgrove-taylor 88-15 04-053-01357Plugged Dry holeSlayton Drilling Co.
Collier B 1 04-053-20964Plugged Dry holePhillips Petroleum Company
Connell USL 1 04-053-20117Plugged Dry holeUnion Oil Company of California
Conoco-Hambey 44-20 04-053-20426Plugged Dry holeKenneth H. Hunter,Jr., Trustee Of The Hunter Living Trust
Cooper 1 04-053-01229Plugged Dry holeTesoro Petroleum Corp.
Cooper 1 04-053-01415Plugged Dry holeChevron U.S.A. Inc.
Cooper Et Al 1 04-053-01389Plugged Dry holeAera Energy LLC
Core Hole 1 04-053-01265Plugged ServiceMiller Drilling Co.
Core Hole 2 04-053-01266Plugged ServiceMiller Drilling Co.
Core Hole 3 04-053-01267Plugged ServiceMiller Drilling Co.
Core Hole 1 04-053-01309Plugged ServiceShell Western E&P Inc.
Core Hole 2 04-053-01310Plugged ServiceShell Western E&P Inc.
Core Hole 5 04-053-01311Plugged ServiceShell Western E&P Inc.
Core Hole 6 04-053-01312Plugged ServiceShell Western E&P Inc.
Core Hole 7 04-053-01313Plugged ServiceShell Western E&P Inc.
Core Hole 8 04-053-01314Plugged ServiceShell Western E&P Inc.
Core Hole 11 04-053-01315Plugged ServiceShell Western E&P Inc.
Core Hole 12 04-053-01316Plugged ServiceShell Western E&P Inc.
Core Hole 13 04-053-01317Plugged ServiceShell Western E&P Inc.
Core Hole 14 04-053-01318Plugged ServiceShell Western E&P Inc.
Core Hole 15 04-053-01319Plugged ServiceShell Western E&P Inc.
Core Hole 16 04-053-01320Plugged ServiceShell Western E&P Inc.
Core Hole 17 04-053-01321Plugged ServiceShell Western E&P Inc.
Core Hole 18 04-053-01322Plugged ServiceShell Western E&P Inc.
Core Hole 19 04-053-01323Plugged ServiceShell Western E&P Inc.
Core Hole 20 04-053-01324Plugged ServiceShell Western E&P Inc.
Core Hole 21 04-053-01325Plugged ServiceShell Western E&P Inc.
Core Hole 22 04-053-01326Plugged ServiceShell Western E&P Inc.
Core Hole 23 04-053-01327Plugged ServiceShell Western E&P Inc.
Core Hole 24 04-053-01328Plugged ServiceShell Western E&P Inc.
Core Hole 25 04-053-01329Plugged ServiceShell Western E&P Inc.
Core Hole 26 04-053-01330Plugged ServiceShell Western E&P Inc.
Core Hole 27 04-053-01331Plugged ServiceShell Western E&P Inc.
Core Hole 28 04-053-01332Plugged ServiceShell Western E&P Inc.
Core Hole 29 04-053-01333Plugged ServiceShell Western E&P Inc.
Core Hole 30 04-053-01334Plugged ServiceShell Western E&P Inc.
Core Hole 31 04-053-01335Plugged ServiceShell Western E&P Inc.
Core Hole 32 04-053-01336Plugged ServiceShell Western E&P Inc.
Core Hole 33 04-053-01337Plugged ServiceShell Western E&P Inc.
Core Hole 34 04-053-01338Plugged ServiceShell Western E&P Inc.
Core Hole 35 04-053-01339Plugged ServiceShell Western E&P Inc.
Core Hole 36 04-053-01340Plugged ServiceShell Western E&P Inc.
Core Hole 37 04-053-01341Plugged ServiceShell Western E&P Inc.
Core Hole 38 04-053-01342Plugged ServiceShell Western E&P Inc.
Core Hole 39 04-053-01343Plugged ServiceShell Western E&P Inc.
Core Hole 40 04-053-01344Plugged ServiceShell Western E&P Inc.
Core Hole A 04-053-01345Plugged ServiceShell Western E&P Inc.
Core Hole Gabilan Mesa 2 04-053-01424Plugged ServiceChevron U.S.A. Inc.
Core Hole Gabilan Mesa 4 04-053-01426Plugged ServiceChevron U.S.A. Inc.
Core Hole Quinn 1 04-053-01396Plugged ServiceL. B. Tannehill
Corehole 14 04-053-01390Plugged ServiceAera Energy LLC
Currell 1 04-053-01042Plugged Oil & gasChevron U.S.A. Inc.
Currell 2 04-053-01043Plugged Dry holeChevron U.S.A. Inc.

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