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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
Government 4-33 04-053-20969Plugged Oil & gasChevron U.S.A. Inc.
Government 5-33 04-053-21192Plugged Oil & gasChevron U.S.A. Inc.
Greve 1 04-053-01295Plugged Dry holePriest Valley Petro Co.
Grigory C.H. 1 04-053-01430Plugged Dry holeChevron U.S.A. Inc.
Grigory-Bernal 1 04-053-20854Plugged Dry holeDon J. Leeman
Gross 1 04-053-20054Plugged Oil & gasNY Oil, Inc.
Hall 1 04-053-01431Plugged Dry holeChevron U.S.A. Inc.
Hambey 52-18 04-053-00026Plugged Oil & gasAera Energy LLC
Hambey 82-18 04-053-00059Plugged Oil & gasAera Energy LLC
Hambey 88-18 04-053-00060Plugged Oil & gasAera Energy LLC
Hambey 78-18 04-053-00084Plugged Oil & gasAera Energy LLC
Hambey 14-18 04-053-00154Plugged Oil & gasAera Energy LLC
Hambey 16-18 04-053-00155Plugged Oil & gasAera Energy LLC
Hambey 817-7 04-053-00156Plugged OtherAera Energy LLC
Hambey 18-18 04-053-00157Plugged Oil & gasAera Energy LLC
Hambey 20-18 04-053-00158Plugged Oil & gasAera Energy LLC
Hambey 22-18 04-053-00159Plugged Oil & gasAera Energy LLC
Hambey 26-18 04-053-00160Plugged Oil & gasAera Energy LLC
Hambey 42-18 04-053-00161Plugged Oil & gasAera Energy LLC
Hambey 46-18 04-053-00162Plugged Oil & gasAera Energy LLC
Hambey 48-18 04-053-00163Plugged Oil & gasAera Energy LLC
Hambey 50-18 04-053-00164Plugged Oil & gasAera Energy LLC
Hambey 54-18 04-053-00165Plugged Oil & gasAera Energy LLC
Hambey 76-18 04-053-00166Plugged Oil & gasAera Energy LLC
Hambey 80-7 04-053-00167Plugged Oil & gasAera Energy LLC
Hambey 80-18 04-053-00168Plugged Oil & gasAera Energy LLC
Hambey 82-7 04-053-00169Plugged Oil & gasAera Energy LLC
Hambey 84-18 04-053-00170Plugged Oil & gasAera Energy LLC
Hambey 108-18 04-053-00172Plugged Oil & gasAera Energy LLC
Hambey 110-18 04-053-00173Plugged Oil & gasAera Energy LLC
Hambey 112-7 04-053-00174Plugged Oil & gasAera Energy LLC
Hambey 112-18 04-053-00175Plugged Oil & gasAera Energy LLC
Hambey 114-7 04-053-00176Plugged Oil & gasAera Energy LLC
Hambey 114-18 04-053-00177Plugged Oil & gasAera Energy LLC
Hambey 116-18 04-053-00178Plugged Oil & gasAera Energy LLC
Hambey 118-18 04-053-00179Plugged Oil & gasAera Energy LLC
Hambey 120-18 04-053-00180Plugged Oil & gasAera Energy LLC
Hambey 138-18 04-053-00181Plugged Oil & gasAera Energy LLC
Hambey 140-18 04-053-00182Plugged Oil & gasAera Energy LLC
Hambey 142-7 04-053-00183Plugged Oil & gasAera Energy LLC
Hambey 144-7 04-053-00185Plugged Oil & gasAera Energy LLC
Hambey 144-18 04-053-00186Plugged Oil & gasAera Energy LLC
Hambey 546-7 04-053-00187Plugged InjectionAera Energy LLC
Hambey 146-18 04-053-00188Plugged Oil & gasAera Energy LLC
Hambey 148-18 04-053-00190Plugged Oil & gasAera Energy LLC
Hambey 550-18 04-053-00191Plugged Oil & gasAera Energy LLC
Hambey 170-18 04-053-00192Plugged Oil & gasAera Energy LLC
Hambey 172-18 04-053-00193Plugged Oil & gasAera Energy LLC
Hambey 174-7 04-053-00194Plugged Oil & gasAera Energy LLC
Hambey 174-18 04-053-00195Plugged Oil & gasAera Energy LLC
Hambey 176-7 04-053-00196Plugged Oil & gasAera Energy LLC
Hambey 176-18 04-053-00197Plugged Oil & gasAera Energy LLC
Hambey 178-7 04-053-00198Plugged Oil & gasAera Energy LLC
Hambey 178-18 04-053-00199Plugged Oil & gasAera Energy LLC
Hambey 180-7 04-053-00200Plugged Oil & gasAera Energy LLC
Hambey 180-18 04-053-00201Plugged Oil & gasAera Energy LLC
Hambey 182-7 04-053-00202Plugged Oil & gasAera Energy LLC
Hambey 182-18 04-053-00203Plugged Oil & gasAera Energy LLC
Hambey 184-18 04-053-00204Plugged Oil & gasAera Energy LLC
Hambey 204-18 04-053-00206Plugged Oil & gasAera Energy LLC
Hambey 206-7 04-053-00207Plugged Oil & gasAera Energy LLC
Hambey 206-18 04-053-00208Plugged Oil & gasAera Energy LLC
Hambey 152-18 04-053-00209Plugged Oil & gasAera Energy LLC
Hambey 208-7 04-053-00219Plugged Oil & gasAera Energy LLC
Hambey 208-18 04-053-00220Plugged Oil & gasAera Energy LLC
Hambey 212-7 04-053-00222Plugged Oil & gasAera Energy LLC
Hambey 212-18 04-053-00223Plugged Oil & gasAera Energy LLC
Hambey 214-7 04-053-00224Plugged Oil & gasAera Energy LLC
Hambey 214-18 04-053-00225Plugged Oil & gasAera Energy LLC
Hambey 216-18 04-053-00226Plugged Oil & gasAera Energy LLC
Hambey 234-7 04-053-00227Plugged Oil & gasAera Energy LLC
Hambey 238-7 04-053-00228Plugged Oil & gasAera Energy LLC
Hambey 240-7 04-053-00229Plugged Oil & gasAera Energy LLC
Hambey 242-7 04-053-00230Plugged Oil & gasAera Energy LLC
Hambey 244-7 04-053-00231Plugged Oil & gasAera Energy LLC
Hambey 246-7 04-053-00232Plugged Oil & gasAera Energy LLC
Hambey 248-18 04-053-00233Plugged Oil & gasAera Energy LLC
Hambey 74-18 04-053-20006Plugged Oil & gasAera Energy LLC
Hambey 248-7 04-053-20007Plugged Oil & gasAera Energy LLC
Hambey 210-18 04-053-20169Plugged Oil & gasAera Energy LLC
Hambey 140R-18 04-053-20315Plugged Oil & gasAera Energy LLC
Hambey 172R-18 04-053-20428Plugged Oil & gasAera Energy LLC
Hambey 550R-18 04-053-20670Plugged InjectionAera Energy LLC
Hambey 802-17 04-053-21356Plugged InjectionAera Energy LLC
Hambey 801R-17 04-053-21562Plugged InjectionAera Energy LLC
Hames Valley 1-34 04-053-21243Plugged Dry holeBP Exploration Inc.
Hames Valley 4-6 04-053-22124Plugged Oil & gasVenoco, LLC
Hames Valley Unit 1-15 04-053-21110Plugged Oil & gasChevron U.S.A. Inc.
Hames Valley Unit 2-15 04-053-21151Plugged Oil & gasChevron U.S.A. Inc.
Hancock 1 04-053-01170Plugged Dry holeGammon & Gammon
Hangman Hollow 5 04-053-22304Plugged Oil & gasTrio Petroleum LLC
Hansen 1 04-053-21355Plugged Dry holePhillips Petroleum Company
Harken Bingaman 1 04-053-20848Plugged Dry holeHarken Oil & Gas Inc.
Hart 1 04-053-01146Plugged Dry holeCentral Valley Petro Co.
Helm-Sumpf-Orradre 25-5 04-053-01350Plugged Dry holeShell Western E&P Inc.
Herbert 1 04-053-00004Plugged Dry holeC. C. Peterson
Hillman 1 04-053-01118Plugged Dry holeAmil A. Anderson
Hillman 28-15 04-053-20017Plugged Dry holeTepusquet Oil Co.
Himmah 1-31 04-053-01040Plugged Dry holeTri-Valley Oil & Gas Co.
Hocker Et Al 38X 04-053-01279Plugged Oil & gasOccidental Petroleum Corporation

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