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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—
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
ALLEN 1 05-013-05075Plugged Dry hole—
ALMQUIST 3-34 05-013-06255Plugged OilEXTRACTION OIL & GAS INC
ALMQUIST MB 34-1 05-013-06429Plugged GasKERR MCGEE OIL & GAS ONSHORE LP
ALMQUIST 41-10 05-013-06473Plugged OilKERR MCGEE OIL & GAS ONSHORE LP
ANDERSON 1 05-013-05090Plugged Dry hole—
ANDERSON MB 33-3J 05-013-06156Plugged GasEXTRACTION OIL & GAS INC
ANDERSON MB 33-6 05-013-06415Plugged GasEXTRACTION OIL & GAS INC
ANDERSON MB 33-5 05-013-06414Plugged GasEXTRACTION OIL & GAS INC
ARAPAHOE 2-26 05-013-06135Plugged GasEXTRACTION OIL & GAS INC
ARAPAHOE 3-36 05-013-06254Plugged 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
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 11-12 05-013-06524Plugged GasCRESTONE PEAK RESOURCES OPERATING LLC
BAILEY 21-12 05-013-06550Plugged 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
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
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—
BOINAY 1 05-013-05081Plugged Dry hole—
BORRA 1 05-013-05002Plugged Dry holeFIRST FEDERAL BANK OF COLORADO
BOULDER 1 05-013-05055Plugged Dry holeOLD OPERATORS - STATUS UNKNOWN
BOULDER 1 05-013-06191Plugged Dry holeFRONTIER O & G CO OF TEXAS INC
BOULDER MINING 1 05-013-40028Plugged Dry holeBERTHOD* CHERIE
BOWEN 1 05-013-40004Plugged Dry holeOIL CAPITOL OF COLORADO, INC
BRAND 1 05-013-06131Plugged Dry hole—
BRAND 1 05-013-60052Plugged Dry holeOLD OPERATORS - STATUS UNKNOWN
BRANDT 1 05-013-06010Plugged Dry hole—
BRANNAMAN & ASSOCIATES 1 05-013-40009Plugged Dry holeBRANNAMAN-BOSWORTH
BRERETON MD 14-8J 05-013-06262Plugged OilEXTRACTION OIL & GAS INC
BRERETON 2-14 05-013-06263Plugged GasEXTRACTION OIL & GAS INC
BRERETON MD 14-1 05-013-06395Plugged GasEXTRACTION OIL & GAS INC
BRINKERHOFF-LONGMONT UNIT 1 05-013-05091Plugged Dry hole—
BROOKS 1 05-013-06039Plugged Dry holeWALTER PROPERTIES
BRUNING 2 05-013-06041Plugged Dry holeWISSOTA PETROLEUM CORP
BRUNING 3 05-013-06159Plugged Dry holeNOBLE ENERGY INC
BRUNING 1-A 05-013-60025Plugged Dry holeWESTERN PETROLEUM CORP
BRUNING-PEAK 1 05-013-05149Plugged Dry hole—
BUND (MUNDT) 1 05-013-60043Plugged Dry hole—
CALDWELL 14-25 05-013-06512Plugged OilCRESTONE PEAK RESOURCES OPERATING LLC
CALDWELL H UNIT 13-25 05-013-06501Plugged GasCRESTONE PEAK RESOURCES OPERATING LLC
CANINO G UNIT 1 05-013-06133Plugged GasH & R WELL SERVICES, INC
CANYON CREEK 4-6-13 05-013-06627Plugged OilCRESTONE PEAK RESOURCES OPERATING LLC
CANYON CREEK 8-6-13 05-013-06628Plugged Dry holeCRESTONE PEAK RESOURCES OPERATING LLC
CANYON CREEK 44-13 05-013-06629Plugged OilCRESTONE PEAK RESOURCES OPERATING LLC
CANYON CREEK 33-13 05-013-06630Plugged OilCRESTONE PEAK RESOURCES OPERATING LLC
CANYON CREEK 34-13 05-013-06631Plugged OilCRESTONE PEAK RESOURCES OPERATING LLC
CANYON CREEK 43-13 05-013-06632Plugged OilCRESTONE PEAK RESOURCES OPERATING LLC
CANYON CREEK 8-6-13 X 05-013-06633Plugged OilCRESTONE PEAK RESOURCES OPERATING LLC
CANYON CREEK 4-8-13 05-013-06634Plugged OilCRESTONE PEAK RESOURCES OPERATING LLC
CANYON CREEK 4-13 05-013-06667Plugged OilCRESTONE PEAK RESOURCES OPERATING LLC
CARLSON 21-1 05-013-06198Plugged Dry holeR & B ENERGY INC
CARUCCI 1-33 05-013-06158Plugged Dry holeHS RESOURCES INC
CASACOLES 1 05-013-05004Plugged Dry holeOLD OPERATORS - STATUS UNKNOWN
CATTELL 1-10 05-013-06115Plugged GasEXTRACTION OIL & GAS INC

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