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WellCensus

Oil & gas wells in Adams County, CO

4,990 catalogued wells in Adams County, Colorado, from the state regulator registry and the federal orphaned-well inventory.

Dataset updated . Derived from public data sources.

At a glance

Adams County, Colorado has 4,990 catalogued oil & gas wells: 548 active (11%), 3,170 plugged & abandoned (64%) and 179 documented orphans. It ranks 6th of the 47 Colorado counties WellCensus profiles by well count and holds 4% of the state's 124,327 catalogued wells.

Catalogued wells

4,990

Active

548

Plugged

3,170

Documented orphans

179

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

11% of Adams County's wells are active, 18 percentage points below the Colorado share of 29%. 64% are plugged & abandoned, against 44% statewide and 47% nationally. 190 wells (4%) are shut-in — unplugged but idle. 179 wells (4%) are documented orphans with no operator able to plug them, compared with 1% across Colorado and 4% nationally. The remaining 903 carry status codes outside those classes, such as permitted or cancelled locations.

What kinds of wells are in Adams County?

By product class, 1,694 of the county's wells (34%) are oil wells, 779 (16%) 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 Adams County well is 29,046 ft, the deepest published anywhere in Colorado. 100% of the county's wells carry coordinates and appear on the map.

How does Adams County compare with other Colorado counties?

Adams County has the 6th-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 4th in Colorado.

Who operates wells in Adams County?

604 distinct operators of record are linked to wells in Adams 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 Adams County, CO
WellAPI # / state IDStatusTypeOperator
1 Uprr-Jolly05-001-05000Plugged & abandonedOther typeTomberlin* Bill
1-V State05-001-05001Plugged & abandonedOther typePlains Ex
1 Jameson05-001-05002Plugged & abandonedOilJameson Company* W L
1-31 Uprr-Noonan05-001-05003Plugged & abandonedOther typeSuperior Oil Company
1 Placido Rico05-001-05004Plugged & abandonedOther typeChamplin Petroleum Company
1 State05-001-05005Plugged & abandonedOther typeHighway 36 Land Development Company
1 Uprr05-001-05006Plugged & abandonedOther typeStanolind Oil & Gas Co
1 Shafroth05-001-05007Plugged & abandonedOther typeTwin T Drilling & Producing Co
1 Uprr-Noonen A05-001-05008Plugged & abandonedOther typeElpasgar Oil Company Aka Espasgar Oil
1 Jolly05-001-05009Plugged & abandonedOther typeBay Petroleum Corporation
1-T U P T Price05-001-05010Plugged & abandonedOther typeRyan Oil Co
25-1 Uprr05-001-05011Plugged & abandonedOther typeCarmack & Crawford
1 Hap05-001-05012Plugged & abandonedOther typeKimbark Oil & Gas Company
2 Jolly-Ranch05-001-05013Plugged & abandonedOther typeBaumgartner* F. W.
1 Uprr05-001-05014Plugged & abandonedOther typeGoff-Leeper Drilling Company
1 Jolly Ranch05-001-05015Plugged & abandonedOther typeBaumgartner* F. W.
1 Uprr05-001-05016Plugged & abandonedOther typeGoff-Leeper Drilling Company
3 Flader05-001-05017Plugged & abandonedOther typeCortez Oil Co
1 Noonen05-001-05018Plugged & abandonedOther typeChamplin Petroleum Company
1 Colorado Federal E05-001-05019Plugged & abandonedOther typeSunray Dx Oil Company
1 U P R R - Ash05-001-05020Plugged & abandonedOther typeChamplin Petroleum Company
1 Flader Industries Inc05-001-05021Plugged & abandonedOther typeBrinkerhoff Drilling Company
1 Welden05-001-05022Plugged & abandonedOther typeAllison Bros Drilling Co Inc
1 Uprr-Jimmy05-001-05023Plugged & abandonedOther typeKimbark Oil & Gas Company
1 Flader05-001-05025Plugged & abandonedOther typeRaymond Oil & Gas Co., Inc

A sample of the county’s wells — every catalogued well has its own page. Browse all 4,990 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 Adams County, CO?

Adams County, Colorado has 4,990 catalogued oil & gas wells: 548 active, 3,170 plugged and 179 documented orphans.

How many orphaned wells are in Adams County?

179 wells in Adams County, Colorado are documented orphans — unplugged with no solvent operator of record, the 4th-highest count among Colorado counties.

What share of wells in Adams County are plugged?

3,170 of Adams County's 4,990 catalogued wells (64%) 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); Adams County ranks 6th with 4,990.

How many companies operate wells in Adams County?

604 distinct operators of record are linked to catalogued wells in Adams 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 Adams County, Colorado”, https://wellcensus.com/wells/colorado/adams (data as of October 10, 2026).