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WellCensus

Oil & gas wells in Dolores County, CO

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

Dataset updated . Derived from public data sources.

At a glance

Dolores County, Colorado has 206 catalogued oil & gas wells: 13 active (6%), 120 plugged & abandoned (58%) and 0 documented orphans. It ranks 33rd of the 47 Colorado counties WellCensus profiles by well count and holds 0.2% of the state's 124,327 catalogued wells.

Catalogued wells

206

Active

13

Plugged

120

Documented orphans

0

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

6% of Dolores County's wells are active, 23 percentage points below the Colorado share of 29%. 58% are plugged & abandoned, against 44% statewide and 47% nationally. 26 wells (13%) are shut-in — unplugged but idle. No documented orphaned wells are recorded in Dolores County; Colorado as a whole has 1,302. The remaining 47 carry status codes outside those classes, such as permitted or cancelled locations.

What kinds of wells are in Dolores County?

By product class, 15 of the county's wells (7%) are oil wells, 45 (22%) 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 Dolores County well is 10,950 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 Dolores County compare with other Colorado counties?

Dolores County has the 33rd-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.

Who operates wells in Dolores County?

59 distinct operators of record are linked to wells in Dolores 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 Dolores County, CO
WellAPI # / state IDStatusTypeOperator
1 Ferris Trail05-033-05000Plugged & abandonedOther typeParker*george & Mccune*chas
1 Spargo Unit05-033-05002Plugged & abandonedOther typeCarter Oil Co
1 Lone Dome Unit05-033-05003Plugged & abandonedGasContinental Oil Company
1 Conoco-Webb05-033-05004Plugged & abandonedOther typeContinental
1 Brown Chester I05-033-05005Plugged & abandonedOther typeSmith*ray Drilling Company
1 Stoner Unit05-033-05006Plugged & abandonedOther typeThe California Company
1 Glade Canyon Unit05-033-05007Plugged & abandonedOther typeSinclair Oil & Gas Company
1 Sane Baumgartner05-033-05008Plugged & abandonedOther typeContinental
1 Medley Scott05-033-05009Plugged & abandonedOther typeContinental
1 R F Anderson-Gov05-033-05012Plugged & abandonedOther typeSkelly Oil Company
1 F A Sitton05-033-05013Plugged & abandonedOther typePacific Natural Gas Expl
1 Glade Unit05-033-05014Plugged & abandonedOther typeCarter Oil Co
1 Doe Canyon Unit05-033-05065Plugged & abandonedOther typeHumble Oil & Refining Company
1 Strathopulus05-033-05066Plugged & abandonedOther typeMoody Corporation
2 House Creek Unit-Federal05-033-05068Plugged & abandonedOther typeThe California Company
1 Big Canyon Unit05-033-05070Plugged & abandonedOther typeConoco Phillips Company
1 Federal05-033-05071Plugged & abandonedOther typeW Hawkins
1 Dolores Unit05-033-06001Plugged & abandonedOther typeUnion Oil Company Of California
1 Dolores-Federal05-033-06002Plugged & abandonedOther typeKimbark Oil & Gas Company
2 Federal-Delores Unit05-033-06003Plugged & abandonedOther typeChambers & Kennedy-Fulton
1 Pine Canyon Unit05-033-06004Plugged & abandonedOther typeUnion Oil Company Of California
1 House Creek05-033-06005Plugged & abandonedOther typeRoyal Resources Corporation
Dc-1 USA05-033-06006Plugged & abandonedOther typePlacid Oil Company
1 Hunter05-033-06007Plugged & abandonedOther typeCherokee & Pittsburg Coal And Mining Company* The
1 Huskey "B" Unit05-033-06008Shut-inGasAmerican Helium LLC

A sample of the county’s wells — every catalogued well has its own page. Browse all 206 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 Dolores County, CO?

Dolores County, Colorado has 206 catalogued oil & gas wells: 13 active, 120 plugged and 0 documented orphans.

How many orphaned wells are in Dolores County?

No documented orphaned wells are currently recorded in Dolores County, Colorado.

What share of wells in Dolores County are plugged?

120 of Dolores County's 206 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); Dolores County ranks 33rd with 206.

How many companies operate wells in Dolores County?

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