Questar Exploration And Production
Operator of record for 12 catalogued wells across 2 states. Every well below links to its full registry page.
At a glance
Questar Exploration And Production is the operator of record for 12 catalogued U.S. oil & gas wells in 2 states. None is listed as active, 6 (50%) are plugged & abandoned. Its largest concentration is in Colorado, with 11 wells (92% of its portfolio).
Wells operated
12
Active
0
Plugged
6
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Colorado | 11 |
| Mississippi | 1 |
Well mix
- Oil wells
- 0
- Gas wells
- 3
- Shut-in
- 0
- Active share
- 0%
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Claim your operator profileWhere does Questar Exploration And Production operate?
Questar Exploration And Production's catalogued wells are spread across 2 states: Colorado (11) and Mississippi (1). Its 11 Colorado wells are 0.0% of the 124,327 catalogued in that state — its largest share of any state. Counts cover only states whose registries WellCensus has ingested with operator names; wells in Nebraska and Texas (location indexes) and in states without a registry ingest are not yet attributed to any operator.
How many of Questar Exploration And Production’s wells are active, plugged or orphaned?
0% of Questar Exploration And Production's catalogued wells are active, 29 percentage points below the national share of 29%. 50% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Questar Exploration And Production operate?
By product class, 0 (0%) are oil wells and 3 (25%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is 1-15 Federal in Moffat, CO at 9,733 ft. The wells listed below sit in Moffat (CO), La Plata (CO), Montezuma (CO), Dolores (CO), Covington (MS) and Garfield (CO).
Notable wells operated by Questar Exploration And Production
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| 1-15 Federal | 05-081-06223 | Plugged & abandoned | Other type | Moffat, CO | Questar Exploration And Production Company | 9,733 ft |
| 1-1 Animas | 05-067-05603 | Plugged & abandoned | Gas | La Plata, CO | Questar Exploration And Production Company | 7,500 ft |
| 2-5 Trail Canyon | 05-067-05199 | Plugged & abandoned | Gas | La Plata, CO | Questar Exploration And Production Company | 6,435 ft |
| 20 Island Butte Ii Unit | 05-083-06622 | Plugged & abandoned | Other type | Montezuma, CO | Questar Exploration And Production Company | 6,230 ft |
| 1-32 Ptasynski-Federal | 05-033-06020 | Plugged & abandoned | Other type | Dolores, CO | Questar Exploration And Production Company | 5,906 ft |
| 1 Fairgrounds | 05-083-06592 | Plugged & abandoned | Other type | Montezuma, CO | Questar Exploration And Production Company | 5,800 ft |
| 10-5 Trail Canyon | 05-067-08227 | Other status | Other type | La Plata, CO | Questar Exploration And Production Company | — |
| Ady 3-12 Unit 1 1 | 23-031-20186 | Other status | Gas | Covington, MS | Questar Exploration And Production Company | — |
| 3 Sparks Ridge Unit | 05-081-07407 | Other status | Other type | Moffat, CO | Questar Exploration And Production Company | — |
| 10-3 Trail Canyon | 05-067-08274 | Other status | Other type | La Plata, CO | Questar Exploration And Production Company | — |
| 9-1 Hancock Gulch Fee | 05-045-06777 | Other status | Other type | Garfield, CO | Questar Exploration And Production Company | — |
| 10-24 Federal | 05-083-06611 | Other status | Other type | Montezuma, CO | Questar Exploration And Production Company | — |
Deepest first where depth is published. See all 12 wells →
Frequently asked questions
How many wells does Questar Exploration And Production operate?
Questar Exploration And Production is the operator of record for 12 catalogued oil & gas wells, with the largest concentration in Colorado (11). Only wells in states WellCensus has ingested are counted.
How many of Questar Exploration And Production's wells are still active?
0 of Questar Exploration And Production's catalogued wells are active; 6 are plugged & abandoned.
In which states does Questar Exploration And Production operate wells?
Questar Exploration And Production is the operator of record for wells in Colorado (11) and Mississippi (1).
Does Questar Exploration And Production operate mostly oil or gas wells?
0 of Questar Exploration And Production's catalogued wells are oil wells and 3 are gas wells; the rest are injection, service or unclassified wells.
What is Questar Exploration And Production's deepest well?
Among wells with a published depth, 1-15 Federal in Moffat, CO is the deepest at 9,733 ft.
Where Questar Exploration And Production's wells are
About this data
Source: State oil & gas regulator registries (operator of record as filed, exact-normalized across states) plus the USGS United States Documented Orphaned Well Database (2026), as published October 10, 2026 — WellCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.
Cite as: WellCensus, “Questar Exploration And Production — well portfolio”, https://wellcensus.com/operators/questar-exploration-and-production-4525 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).