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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
CHAMPLIN 44-23 05-013-06016Plugged Dry holeCOTTON PETROLEUM CORP
CHARLOTTE 1 05-013-06231Plugged Dry holeMEYER OIL COMPANY
CHARLOTTE 2 05-013-06237Plugged Dry holeMEYER OIL COMPANY
CHRISHOLM 2? 05-013-60051Plugged Dry holeBRANNAMAN-BOSWORTH
CLARK 9-17 05-013-06184Plugged Dry holeRESOURCE TECHNOLOGY CORP
CLAY 1 05-013-06224Plugged GasPDC ENERGY INC
COLORADO 1-36 05-013-06268Plugged Dry holeHS RESOURCES INC
CONTINENTAL 1 05-013-05047Plugged Dry holeOLD OPERATORS - STATUS UNKNOWN
CONTINENTAL OIL 1 05-013-05043Plugged Dry hole—
CONTINENTAL OIL CO 2 05-013-05147Plugged Dry holeOLD OPERATORS - STATUS UNKNOWN
COWDREY-MOORE 1 05-013-06028Plugged Dry holeGERRITY OIL & GAS CORP
COX 13-3 05-013-06149Plugged Dry holeGERRITY OIL & GAS CORP
CRAWFORD 28 05-013-60038Plugged Dry holeOLD OPERATORS - STATUS UNKNOWN
CULVER 5-17 05-013-06112Plugged GasEXTRACTION OIL & GAS INC
CULVER MC 16-2 05-013-06320Plugged GasEXTRACTION OIL & GAS INC
CULVER MC 16-4 05-013-06322Plugged OilEXTRACTION OIL & GAS INC
CULVER MC 16-1 05-013-06357Plugged OilPATINA OIL & GAS CORPORATION
CULVER MC 21-4 05-013-06359Plugged Dry holeGERRITY OIL & GAS CORP
DAVISON MD 27-4 05-013-06289Plugged GasFOUNDATION ENERGY MANAGEMENT LLC
DAWSON 10-1 05-013-06068Plugged GasEXTRACTION OIL & GAS INC
DEASON 2-36 05-013-06647Plugged OilCRESTONE PEAK RESOURCES OPERATING LLC
DEEPE 11-22 05-013-06005Plugged Dry holeXO EXPLORATION INC
DI GIACOMO 1 05-013-05148Plugged Dry holeOIL CAPITOL OF COLORADO, INC
DIGGE 1 05-013-05026Plugged Dry holeWILLIAMSON INC* LOWELL
DISQUE 1 05-013-05096Plugged Dry holeARROWHEAD EXPLORATION COMPANY
DISTEL 21-2 05-013-06209Plugged Dry holeOSAFOW OIL COMPANY
DODD 1 05-013-06196Plugged Dry holeMEYER OIL COMPANY
DODD MB 33-9 05-013-06426Plugged GasEXTRACTION OIL & GAS INC
DOMENICO MC 33-16 05-013-06459Plugged Dry holeGERRITY OIL & GAS CORP
DOMENICO MC 33-9 05-013-06460Plugged OilNOBLE ENERGY INC
DOMENICO MC 33-16X 05-013-06466Plugged OilNOBLE ENERGY INC
DON CROUCH ESTATE 1 05-013-05082Plugged Dry hole—
DONIPHAN SHIELDS 1 05-013-06029Plugged GasCRESTONE PEAK RESOURCES OPERATING LLC
DONIPHAN SHIELDS 21-11 05-013-06510Plugged GasCRESTONE PEAK RESOURCES OPERATING LLC
DONIPHAN SHIELDS 12-11 05-013-06541Plugged GasCRESTONE PEAK RESOURCES OPERATING LLC
DONIPHAN SHIELDS 32-11 05-013-06557Plugged GasCRESTONE PEAK RESOURCES OPERATING LLC
DONIPHAN-SHIELDS 2 05-013-06104Plugged GasCRESTONE PEAK RESOURCES OPERATING LLC
DONLEY 1-36 05-013-06236Plugged OilEXTRACTION OIL & GAS INC
DONLEY 2-36 05-013-06247Plugged GasEXTRACTION OIL & GAS INC
DONLEY MC 36-7 05-013-06376Plugged OilEXTRACTION OIL & GAS INC
DOUGHERTY, RAY 1 05-013-06008Plugged Dry holeAMOCO PRODUCTION COMPANY
DOUTHIT G #34-4 05-013-06171Plugged Dry holeGRIFFIN *BENNIE C
DUTCH 1 05-013-06235Plugged Dry holeMISAHAR INVESTMENTS INC/4-H
DUTCH 2 05-013-06239Plugged Dry holeMISAHAR INVESTMENTS INC/4-H
EBERHARTER 1 05-013-05008Plugged Dry holeBOULDER OIL COMPANY
EBERHARTER 1 05-013-60013Plugged Dry holeOLD OPERATORS - STATUS UNKNOWN
EISELE 1 05-013-06043Plugged Dry holeBULLOCK & COMPANY
ELLISON 1 05-013-05019Plugged Dry holeEUREKA OIL COMPANY
ELLISON 1 05-013-06042Plugged Dry holeWESTERN PETROLEUM CORP
ELMER JOHNSON 1 05-013-60023Plugged Dry hole—
ERICKSON 1 05-013-05051Plugged Dry holeMIDWEST REFINING CORP* THE
ERICKSON 1 05-013-05053Plugged Dry hole—
ERICKSON 36 05-013-60041Plugged Dry holeOLD OPERATORS - STATUS UNKNOWN
ERICKSON 37 05-013-60042Plugged Dry holeOLD OPERATORS - STATUS UNKNOWN
ERIE 1-24 05-013-06127Plugged OilEXTRACTION OIL & GAS INC
ERIE EIGHT E UNIT 1 05-013-06193Plugged GasNORTH AMERICAN RESOURCES COMPANY
ERIE EIGHT E UNIT 2 05-013-06242Plugged GasNORTH AMERICAN RESOURCES COMPANY
ERTL 1 05-013-06026Plugged OilEXTRACTION OIL & GAS INC
ERTL 2-18 05-013-06061Plugged GasEXTRACTION OIL & GAS INC
ERTL 4(18) 05-013-06085Plugged GasEXTRACTION OIL & GAS INC
ESTHER H 26-1 05-013-06215Plugged Dry holeMEYER OIL COMPANY
Erickson 1 05-013-40029Plugged Dry holeMIDWEST REFINING CORP* THE
FCR 1-8 05-013-06130Plugged GasEXTRACTION OIL & GAS INC
FCR MD 1-10 05-013-06343Plugged OilEXTRACTION OIL & GAS INC
FEE 2 05-013-05013Plugged Dry holeBAKER OIL
FEE 1 05-013-05159Plugged Dry holeBAKER OIL
FOSTE 1 05-013-05010Plugged Dry holeOLD OPERATORS - STATUS UNKNOWN
FREDERICKS 1-22 05-013-06295Plugged GasKERR MCGEE OIL & GAS ONSHORE LP
GALLAGHER 1 05-013-05021Plugged Dry holeGALLAGHER FAMILY PARTNERSHIP
GALLAGHER 1-A 05-013-05022Plugged Dry holeORIENTAL OIL REFG CO
GALLAGHER 1 05-013-05023Plugged OilGALLAGHER FAMILY PARTNERSHIP
GALLAGHER 2 05-013-40013Plugged Dry holeGALLAGHER FAMILY PARTNERSHIP
GARCIA MD 1-12 05-013-06448Plugged OilNOBLE ENERGY INC
GEHUNY 1 05-013-05060Plugged Dry hole—
GEORGE MAYEDA 1 05-013-06097Plugged Dry holeTOP OPERATING COMPANY
GILLESPIE 1 05-013-05061Plugged Dry hole—
GOLDEN 1 05-013-06055Plugged Dry holeBULLOCK & COMPANY
GOLDEN 2 05-013-06064Plugged Dry holeBULLOCK & COMPANY
GOODING 1 05-013-06244Plugged GasEXTRACTION OIL & GAS INC
GORCE 1 05-013-05024Plugged Dry holeH & H OIL CO
GREAT WESTERN SUGAR CO 2 05-013-06002Plugged Dry holeXO EXPLORATION INC
GREINER 1-24 05-013-06200Plugged Dry holeGREINER* J B & ROOT* VEARL
HALL & PHILLIPS 21 05-013-60036Plugged Dry holeOLD OPERATORS - STATUS UNKNOWN
HALL & PHILLIPS 24 05-013-60037Plugged Dry holeOLD OPERATORS - STATUS UNKNOWN
HALL & PHILLIPS 33 05-013-60039Plugged Dry holeOLD OPERATORS - STATUS UNKNOWN
HALL & PHILLIPS 35 05-013-60040Plugged Dry holeOLD OPERATORS - STATUS UNKNOWN
HARLESS 'F' UNIT 1 05-013-06162Plugged Dry holeCOWAN OIL CO
HARLOW ESTATE 1 05-013-05050Plugged Dry hole—
HARROP 1 05-013-60010Plugged Dry holeSTRAWN* GEORGE
HARSCH 42-27 05-013-06544Plugged OilCRESTONE PEAK RESOURCES OPERATING LLC
HAYDEN 1 (OWP) 05-013-40026Plugged Dry holeENERGY & CARBON MANAGEMENT COMMISSION
HAYSTACK 1 05-013-60026Plugged Dry hole—
HAYSTACK ET AL 1 05-013-06233Plugged Dry holeUNIVERSAL OPERATING COMPANY
HEATHERWOOD 1-7 05-013-06079Plugged GasWESTERN OPERATING COMPANY
HEIL 1 05-013-06009Plugged Dry holeTOLTEK DRILLING CO
HELEN 1 05-013-06221Plugged Dry holeAMPET INC
HENDRICKS 1 05-013-05017Plugged Dry holeSUHR-FIEDLER-LOCK DRLG CO
HENRY 1 05-013-06153Plugged Dry holeTEP ROCKY MOUNTAIN LLC
HENSLEY 1 05-013-05063Plugged Dry hole—
HILL 1 05-013-05089Plugged Dry hole—

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