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WellCensus

Oil & gas wells in Larimer County, CO

789 catalogued wells in Larimer County, Colorado, from the state regulator registry and the federal orphaned-well inventory.

Dataset updated . Derived from public data sources.

At a glance

Larimer County, Colorado has 789 catalogued oil & gas wells: 124 active (16%), 455 plugged & abandoned (58%) and 51 documented orphans. It ranks 21st of the 47 Colorado counties WellCensus profiles by well count and holds 0.6% of the state's 124,327 catalogued wells.

Catalogued wells

789

Active

124

Plugged

455

Documented orphans

51

What is the status of oil and gas wells in Larimer County?

16% of Larimer County's wells are active, 14 percentage points below the Colorado share of 29%. 58% are plugged & abandoned, against 44% statewide and 47% nationally. 53 wells (7%) are shut-in — unplugged but idle. 51 wells (6%) are documented orphans with no operator able to plug them, compared with 1% across Colorado and 4% nationally. The remaining 106 carry status codes outside those classes, such as permitted or cancelled locations.

What kinds of wells are in Larimer County?

By product class, 371 of the county's wells (47%) are oil wells, 77 (10%) gas wells and 0 (0%) injection wells. Statewide the oil share is 24% and the gas share 34%. The deepest total depth published for a Larimer County well is 20,979 ft, against 29,046 ft for Colorado as a whole. 100% of the county's wells carry coordinates and appear on the map.

How does Larimer County compare with other Colorado counties?

Larimer County has the 21st-most catalogued wells of the 47 Colorado counties with at least 25. The median Colorado county on WellCensus has 497 wells. The largest, Weld County, has 45,804. By documented orphans it ranks 6th in Colorado.

Who operates wells in Larimer County?

197 distinct operators of record are linked to wells in Larimer County. 100% of the county's wells carry a link to a canonical operator profile; the rest list no operator or a name not yet resolved. Each well's page names its operator where the state publishes one.

Oil & gas wells in Larimer County, CO
WellAPI # / state IDStatusTypeOperator
1 State 397505-069-00014Plugged & abandonedOther typeHope Oil Company Inc
1 Pope05-069-05002Plugged & abandonedOther typeRouse * Jack
1 Frazier05-069-05003Plugged & abandonedOilShogren & Hultgran
1 Welty05-069-05004Plugged & abandonedOilArrowhead Energy Corp
1 Berryman05-069-05006Plugged & abandonedOther typeMosher, Brown, & Lewis
1 Reed05-069-05007Plugged & abandonedOther typeLen Mayer Oil Producer
2 Yelek05-069-05009Plugged & abandonedOther typeColorado Hydrocarbons
1 Albert H Mitze05-069-05011Plugged & abandonedOilNation* C E
1 (Owp) Sheffer Jack05-069-05014Other statusOilOlds Oil Corporation
1 Hertha05-069-05015Plugged & abandonedGasTrigood Oil Co
1 (Owp) Hall05-069-05016Plugged & abandonedGasStandard Oil Production Co
1 State05-069-05017Plugged & abandonedOilCoquina Oil Corporation
1 (Owp) Meade05-069-05018Plugged & abandonedOther typeMosher, Brown, & Lewis
1-A State05-069-05020Plugged & abandonedOilFive Square Oil & Gas Co
1 Haworth05-069-05021Plugged & abandonedOther typeGreat Lake Oil & Gas Co
1 Enderson05-069-05022Plugged & abandonedOther typeE B Furrow
1 State05-069-05023Plugged & abandonedOther typeDyer* J G
1 Woodward State05-069-05024Plugged & abandonedOther typeSuhr-Fiedler-Lock Drlg Co
1 Fagan05-069-05025Plugged & abandonedOilTrigood Oil Co
2 State05-069-05026Plugged & abandonedGasStandard Oil Production Co
2 Fagin05-069-05027Plugged & abandonedOther typeRadditz Corporation
1 Thompson05-069-05028Plugged & abandonedOther typeBrush Oil & Development
1 Jones05-069-05030Plugged & abandonedOther typeBrush Oil & Development
1 Huber05-069-05032Plugged & abandonedGasEnergy Oil Inc
1 Ihnen05-069-05035Plugged & abandonedOilTimka Resources Ltd

A sample of the county’s wells — every catalogued well has its own page. Browse all 789 in search → (filter by operator, status and type, then export), or find a specific well on the live map.

Frequently asked questions

How many oil and gas wells are in Larimer County, CO?

Larimer County, Colorado has 789 catalogued oil & gas wells: 124 active, 455 plugged and 51 documented orphans.

How many orphaned wells are in Larimer County?

51 wells in Larimer County, Colorado are documented orphans — unplugged with no solvent operator of record, the 6th-highest count among Colorado counties.

What share of wells in Larimer County are plugged?

455 of Larimer County's 789 catalogued wells (58%) are plugged & abandoned, compared with 44% across Colorado.

Which Colorado county has the most oil and gas wells?

Weld County has the most catalogued wells of any Colorado county on WellCensus (45,804); Larimer County ranks 21st with 789.

How many companies operate wells in Larimer County?

197 distinct operators of record are linked to catalogued wells in Larimer County, Colorado.

Nearby in the Colorado rankings

About this data

Source: Colorado ECMC well registry, plus the USGS United States Documented Orphaned Well Database (2026, doi 10.5066/P13FHBYG), as published October 10, 2026 — WellCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.

Cite as: WellCensus, “Oil & gas wells in Larimer County, Colorado”, https://wellcensus.com/wells/colorado/larimer (data as of October 10, 2026).