Questar Exploration & Production
Operator of record for 220 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Questar Exploration & Production is the operator of record for 220 catalogued U.S. oil & gas wells in 1 state. None is listed as active, 79 (36%) are plugged & abandoned. Its largest concentration is in Utah, with 220 wells (100% of its portfolio).
Wells operated
220
Active
0
Plugged
79
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Utah | 220 |
Well mix
- Oil wells
- 45
- Gas wells
- 148
- Shut-in
- 0
- Active share
- 0%
Is this your company?
Claim Questar Exploration & Production to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Questar Exploration & Production operate?
Questar Exploration & Production's catalogued wells are spread across 1 state: Utah (220). Its 220 Utah wells are 0.5% of the 40,139 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 & Production’s wells are active, plugged or orphaned?
0% of Questar Exploration & Production's catalogued wells are active, 29 percentage points below the national share of 29%. 36% 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 & Production operate?
By product class, 45 (20%) are oil wells and 148 (67%) gas wells; nationally the shares are 43% and 17%.
Notable wells operated by Questar Exploration & Production
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Hk 5ml-30-8-25 | 43-047-37332 | Other status | Gas | Uintah, UT | Questar Exploration & Production Co | — |
| Gh 11mu-19-8-21 | 43-047-38268 | Other status | Gas | Uintah, UT | Questar Exploration & Production Co | — |
| Gh 12mu-19-8-21 | 43-047-38269 | Other status | Gas | Uintah, UT | Questar Exploration & Production Co | — |
| Hr 12mu-2-12-23 | 43-047-38056 | Other status | Gas | Uintah, UT | Questar Exploration & Production Co | — |
| Hr 14mu-2-12-23 | 43-047-38057 | Other status | Gas | Uintah, UT | Questar Exploration & Production Co | — |
| Rw 12-17fg | 43-047-36350 | Other status | Gas | Uintah, UT | Questar Exploration & Production Co | — |
| Rws 9ml-1-9-24 | 43-047-36519 | Other status | Gas | Uintah, UT | Questar Exploration & Production Co | — |
| Bsw 1ml-12-9-24 | 43-047-36522 | Other status | Gas | Uintah, UT | Questar Exploration & Production Co | — |
| Rw 32-15fg | 43-047-36443 | Other status | Gas | Uintah, UT | Questar Exploration & Production Co | — |
| Wk 7ml-2-9-24 | 43-047-36724 | Other status | Gas | Uintah, UT | Questar Exploration & Production Co | — |
| Rws 13ml-14-9-24 | 43-047-36737 | Other status | Gas | Uintah, UT | Questar Exploration & Production Co | — |
| Wv 3aml-14-8-21 | 43-047-38736 | Other status | Gas | Uintah, UT | Questar Exploration & Production Co | — |
Deepest first where depth is published. See all 220 wells →
Frequently asked questions
How many wells does Questar Exploration & Production operate?
Questar Exploration & Production is the operator of record for 220 catalogued oil & gas wells, with the largest concentration in Utah (220). Only wells in states WellCensus has ingested are counted.
How many of Questar Exploration & Production's wells are still active?
0 of Questar Exploration & Production's catalogued wells are active; 79 are plugged & abandoned.
In which states does Questar Exploration & Production operate wells?
Questar Exploration & Production is the operator of record for wells in Utah (220).
Does Questar Exploration & Production operate mostly oil or gas wells?
45 of Questar Exploration & Production's catalogued wells are oil wells and 148 are gas wells; the rest are injection, service or unclassified wells.
Where Questar Exploration & 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 & Production — well portfolio”, https://wellcensus.com/operators/questar-exploration-production-133597 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).