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Boulder County, CO oil and gas wells

783 wells: 111 active, 400 plugged, run by 95 operators.

Figures from the Colorado Energy and Carbon Management Commission, updated 2026-10-16.

Top operators in Boulder

OperatorActiveWells here
CRESTONE PEAK RESOURCES OPERATING LLC71126
EXTRACTION OIL & GAS INC39157
PHOENIX RESOURCES LLC11
GERRITY OIL & GAS CORP091
ENCANA OIL & GAS (USA) INC047
OLD OPERATORS - STATUS UNKNOWN044
BASIN EXPLORATION INC019
MARTIN EXPLORATION MANAGEMENT CO019
NOBLE ENERGY INC018
MEYER OIL COMPANY017
KERR MCGEE OIL & GAS ONSHORE LP016
VESSELS OIL & GAS COMPANY010
WISSOTA PETROLEUM CORP09
HS RESOURCES INC07
NORTH AMERICAN RESOURCES COMPANY07
ENERGY & CARBON MANAGEMENT COMMISSION06
PATINA OIL & GAS CORPORATION06
TOP OPERATING COMPANY06
XO EXPLORATION INC05
CAERUS WASHCO LLC04
CDM OIL & GAS04
FRONTIER O & G CO OF TEXAS INC04
PDC ENERGY INC04
PRIMA EXPLORATION INC04
UNIVERSAL OPERATING COMPANY04

Wells

Not plugged · All wells · Plugged · Orphaned

WellAPI / IDStatusTypeOperator
(no name) 6 05-013-05027Plugged Dry holeOLD OPERATORS - STATUS UNKNOWN
(no name) 3 05-013-05028Plugged Dry holeOLD OPERATORS - STATUS UNKNOWN
(no name) 5 05-013-05031Plugged Dry holeOLD OPERATORS - STATUS UNKNOWN
(no name) 8 05-013-05033Plugged Dry holeOLD OPERATORS - STATUS UNKNOWN
(no name) 2 05-013-05034Plugged Dry holeOLD OPERATORS - STATUS UNKNOWN
(no name) 9 05-013-05035Plugged Dry holeOLD OPERATORS - STATUS UNKNOWN
(no name) 10 05-013-05036Plugged Dry holeOLD OPERATORS - STATUS UNKNOWN
(no name) 4 05-013-05037Plugged Dry holeOLD OPERATORS - STATUS UNKNOWN
(no name) 1 05-013-05038Plugged Dry holeOLD OPERATORS - STATUS UNKNOWN
(no name) 7 05-013-05040Plugged Dry holeOLD OPERATORS - STATUS UNKNOWN
(no name) 1 05-013-05044Plugged Dry holeOLD OPERATORS - STATUS UNKNOWN
(no name) 1 05-013-05045Plugged Dry holeOLD OPERATORS - STATUS UNKNOWN
(no name) 1 05-013-05046Plugged Dry holeOLD OPERATORS - STATUS UNKNOWN
(no name) 1 05-013-05052Plugged Dry holeOLD OPERATORS - STATUS UNKNOWN
(no name) 1 05-013-05054Plugged Dry holeOLD OPERATORS - STATUS UNKNOWN
(no name) 15 05-013-60003Plugged Dry holeOLD OPERATORS - STATUS UNKNOWN
(no name) 10 05-013-60004Plugged Dry holeOLD OPERATORS - STATUS UNKNOWN
(no name) 11 05-013-60032Plugged Dry holeOLD OPERATORS - STATUS UNKNOWN
(no name) 12 05-013-60033Plugged Dry holeOLD OPERATORS - STATUS UNKNOWN
(no name) 18 05-013-60034Plugged Dry holeOLD OPERATORS - STATUS UNKNOWN
(no name) 19 05-013-60035Plugged Dry holeOLD OPERATORS - STATUS UNKNOWN
(no name) 1 05-013-60049Plugged Dry hole—
(no name) 1 05-013-60053Plugged Dry hole—
ADAM 1 05-013-06177Cancelled / expired UnknownCDM OIL & GAS
ADAMS 1 05-013-06186Plugged OilTOWN OF ERIE
ALCORN 1 05-013-06057Plugged GasCRESTONE PEAK RESOURCES OPERATING LLC
ALCORN 32-10 05-013-06579Plugged GasCRESTONE PEAK RESOURCES OPERATING LLC
ALLAN H UNIT 1 05-013-06138Plugged GasCRESTONE PEAK RESOURCES OPERATING LLC
ALLAN H UNIT 23-12 05-013-06536Active OilCRESTONE PEAK RESOURCES OPERATING LLC
ALLAN H UNIT 24-12 05-013-06556Active OilCRESTONE PEAK RESOURCES OPERATING LLC
ALLAN H UNIT 13-12 05-013-06593Cancelled / expired UnknownENCANA OIL & GAS (USA) INC
ALLEN 1 05-013-05075Plugged Dry hole—
ALMQUIST 1-35 05-013-06080Shut in GasEXTRACTION OIL & GAS INC
ALMQUIST 2-35 05-013-06249Shut in GasEXTRACTION OIL & GAS INC
ALMQUIST 3-34 05-013-06255Plugged OilEXTRACTION OIL & GAS INC
ALMQUIST MB 34-1 05-013-06429Plugged GasKERR MCGEE OIL & GAS ONSHORE LP
ALMQUIST MB 34-15 05-013-06441Shut in GasEXTRACTION OIL & GAS INC
ALMQUIST 41-10 05-013-06473Plugged OilKERR MCGEE OIL & GAS ONSHORE LP
ALMQUIST MB 34-10 05-013-06437Shut in GasEXTRACTION OIL & GAS INC
ALMQUIST MB 34-16 05-013-06447Shut in GasEXTRACTION OIL & GAS INC
ANDERSON 1 05-013-05090Plugged Dry hole—
ANDERSON MB 33-8J 05-013-06125Shut in GasEXTRACTION OIL & GAS INC
ANDERSON MB 33-3J 05-013-06156Plugged GasEXTRACTION OIL & GAS INC
ANDERSON MB 33-4 05-013-06413Cancelled / expired UnknownGERRITY OIL & GAS CORP
ANDERSON MB 33-6 05-013-06415Plugged GasEXTRACTION OIL & GAS INC
ANDERSON MB 33-7 05-013-06425Cancelled / expired UnknownGERRITY OIL & GAS CORP
ANDERSON MB 33-5 05-013-06414Plugged GasEXTRACTION OIL & GAS INC
ANDERSON MB 33-1 05-013-06423Shut in GasEXTRACTION OIL & GAS INC
ANDERSON MB 33-2 05-013-06424Shut in GasEXTRACTION OIL & GAS INC
ARAPAHOE 1-36 05-013-06084Shut in GasEXTRACTION OIL & GAS INC
ARAPAHOE 2-26 05-013-06135Plugged GasEXTRACTION OIL & GAS INC
ARAPAHOE 3-36 05-013-06251Cancelled / expired UnknownMARTIN EXPLORATION MANAGEMENT CO
ARAPAHOE 3-36 05-013-06254Plugged GasEXTRACTION OIL & GAS INC
ARAPAHOE MC 36-13 05-013-06412Cancelled / expired OilGERRITY OIL & GAS CORP
ARAPAHOE MC 36-3 05-013-06409Shut in GasEXTRACTION OIL & GAS INC
ARAPAHOE MC 36-5 05-013-06410Plugged GasEXTRACTION OIL & GAS INC
ARAPAHOE MC 36-6 05-013-06411Plugged GasEXTRACTION OIL & GAS INC
ARAPAHOE MC 26-11JI 05-013-06527Cancelled / expired UnknownNOBLE ENERGY INC
ARAPAHOE MC 26-13JI 05-013-06528Cancelled / expired UnknownNOBLE ENERGY INC
ARAPAHOE MC 26-25JI 05-013-06529Cancelled / expired UnknownNOBLE ENERGY INC
ARAPAHOE MC 26-12JI 05-013-06530Cancelled / expired UnknownNOBLE ENERGY INC
AXELSON 3 05-013-05049Plugged Dry hole—
AXELSON 1 05-013-05056Plugged Dry hole—
AXELSON 16 05-013-40014Plugged Dry holeOLD OPERATORS - STATUS UNKNOWN
AXELSON 24 05-013-40015Plugged Dry holeOLD OPERATORS - STATUS UNKNOWN
BAILEY 12-1 05-013-06034Plugged GasH & R WELL SERVICES, INC
BAILEY 1 A 05-013-06053Plugged GasCRESTONE PEAK RESOURCES OPERATING LLC
BAILEY 12-2 05-013-06106Plugged GasCRESTONE PEAK RESOURCES OPERATING LLC
BAILEY A 2 05-013-06136Cancelled / expired UnknownVESSELS OIL & GAS COMPANY
BAILEY 43-1 05-013-06500Active GasCRESTONE PEAK RESOURCES OPERATING LLC
BAILEY 32-12 05-013-06506Active OilCRESTONE PEAK RESOURCES OPERATING LLC
BAILEY 31-12 05-013-06523Cancelled / expired UnknownENCANA OIL & GAS (USA) INC
BAILEY 11-12 05-013-06524Plugged GasCRESTONE PEAK RESOURCES OPERATING LLC
BAILEY 43-12 05-013-06533Active GasCRESTONE PEAK RESOURCES OPERATING LLC
BAILEY 42-12 05-013-06534Active GasCRESTONE PEAK RESOURCES OPERATING LLC
BAILEY 21-12 05-013-06550Plugged GasCRESTONE PEAK RESOURCES OPERATING LLC
BAILEY 8-8-1 05-013-06551Active GasCRESTONE PEAK RESOURCES OPERATING LLC
BAILEY 33-12 05-013-06555Active GasCRESTONE PEAK RESOURCES OPERATING LLC
BAILEY 31-12 05-013-06625Active GasCRESTONE PEAK RESOURCES OPERATING LLC
BAILEY 4-0-12 05-013-06626Active GasCRESTONE PEAK RESOURCES OPERATING LLC
BAILEY 22-12 05-013-06635Plugged GasCRESTONE PEAK RESOURCES OPERATING LLC
BAILEY AMOCO 1 05-013-06021Plugged GasKERR MCGEE OIL & GAS ONSHORE LP
BAILEY F UNIT 1 05-013-06199Plugged GasCRESTONE PEAK RESOURCES OPERATING LLC
BANJO 22-25 05-013-06617Cancelled / expired UnknownENCANA OIL & GAS (USA) INC
BECKER-DOWNEY G-UNIT 1 05-013-06144Plugged Dry holeMEYER OIL COMPANY
BECKY 3-36 05-013-06093Plugged GasEXTRACTION OIL & GAS INC
BECKY 4-36 05-013-06240Plugged GasEXTRACTION OIL & GAS INC
BECKY 6-36 05-013-06250Shut in GasEXTRACTION OIL & GAS INC
BECKY MB 36-11 05-013-06352Shut in GasEXTRACTION OIL & GAS INC
BECKY MB 36-12 05-013-06353Shut in GasEXTRACTION OIL & GAS INC
BEHMANN 4 05-013-06217Plugged Dry holeWISSOTA PETROLEUM CORP
BEHRMANN 1 05-013-06201Plugged Dry holeWISSOTA PETROLEUM CORP
BEHRMANN 2 05-013-06206Plugged Dry holeWISSOTA PETROLEUM CORP
BEHRMANN 3 05-013-06214Plugged Dry holeWISSOTA PETROLEUM CORP
BEHRMANN 5 05-013-06218Plugged Dry holeWISSOTA PETROLEUM CORP
BEHRMANN 6 05-013-06219Plugged Dry holeWISSOTA PETROLEUM CORP
BEHRMANN 7 05-013-06220Plugged Dry holeWISSOTA PETROLEUM CORP
BENNETT-CONTINENTAL 1 05-013-05041Plugged Dry holeOLD OPERATORS - STATUS UNKNOWN
BIG LIZ 1 05-013-05029Plugged Dry holeWRAY* ED
BLUBAUGH 1 05-013-05083Plugged Dry hole—

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