Arch Oil & Gas
Operator of record for 31 catalogued wells across 2 states. Every well below links to its full registry page.
Filed as: ARCH OIL & GAS COMPANY · ARCH OIL & GAS LLC · Arch Oil & Gas Company
At a glance
Arch Oil & Gas is the operator of record for 31 catalogued U.S. oil & gas wells in 2 states. None is listed as active, 29 (94%) are plugged & abandoned. Its largest concentration is in Utah, with 19 wells (61% of its portfolio).
Wells operated
31
Active
0
Plugged
29
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Utah | 19 |
| Colorado | 12 |
Well mix
- Oil wells
- 4
- Gas wells
- 20
- Shut-in
- 2
- Active share
- 0%
Is this your company?
Claim Arch Oil & Gas to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Arch Oil & Gas operate?
Arch Oil & Gas's catalogued wells are spread across 2 states: Utah (19) and Colorado (12). Its 19 Utah wells are 0.0% 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 Arch Oil & Gas’s wells are active, plugged or orphaned?
0% of Arch Oil & Gas's catalogued wells are active, 29 percentage points below the national share of 29%. 94% are plugged & abandoned, against 47% nationally. 2 wells (6%) are shut-in — unplugged but idle. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Arch Oil & Gas operate?
By product class, 4 (13%) are oil wells and 20 (65%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is 10-1-1s-104 Fee in Rio Blanco, CO at 9,000 ft. The wells listed below sit in Rio Blanco (CO), Weld (CO), Moffat (CO), Garfield (CO) and Uintah (UT). State filings spell the name 3 ways; WellCensus merges exact-normalized spellings only, so subsidiaries and affiliates keep their own pages.
Notable wells operated by Arch Oil & Gas
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| 10-1-1s-104 Fee | 05-103-09073 | Plugged & abandoned | Other type | Rio Blanco, CO | Arch Oil & Gas Company | 9,000 ft |
| 2 Elmer Kaufman | 05-123-07611 | Plugged & abandoned | Gas | Weld, CO | Arch Oil & Gas LLC | 7,458 ft |
| 2 Cuykendall-Lauck | 05-123-07973 | Plugged & abandoned | Oil | Weld, CO | Arch Oil & Gas LLC | 7,411 ft |
| 4 Kaufman | 05-123-07952 | Plugged & abandoned | Oil | Weld, CO | Arch Oil & Gas LLC | 7,397 ft |
| 2 J P Weise | 05-081-05291 | Shut-in | Oil | Moffat, CO | Arch Oil & Gas LLC | 6,602 ft |
| 8-12-5 Standifird Rector | 05-045-06185 | Plugged & abandoned | Other type | Garfield, CO | Arch Oil & Gas Company | 5,563 ft |
| 2 A.P. Urie | 05-081-05288 | Shut-in | Oil | Moffat, CO | Arch Oil & Gas LLC | 5,140 ft |
| 7-9-5-101 Quick, Harold S. | 05-045-06167 | Plugged & abandoned | Other type | Garfield, CO | Arch Oil & Gas Company | 4,850 ft |
| 1-N-11 Taiga-Federal | 05-103-08225 | Plugged & abandoned | Other type | Rio Blanco, CO | Arch Oil & Gas Company | 4,614 ft |
| 19-G-13-3s-104w Taiga-Federal | 05-103-08120 | Plugged & abandoned | Other type | Rio Blanco, CO | Arch Oil & Gas Company | 4,302 ft |
| 2-19 Federal-Coors-USA | 05-103-08278 | Plugged & abandoned | Other type | Rio Blanco, CO | Arch Oil & Gas Company | 4,108 ft |
| Federal 4-15-15-23 | 43-047-30601 | Plugged & abandoned | Gas | Uintah, UT | Arch Oil & Gas Company | — |
Deepest first where depth is published. See all 31 wells →
Frequently asked questions
How many wells does Arch Oil & Gas operate?
Arch Oil & Gas is the operator of record for 31 catalogued oil & gas wells, with the largest concentration in Utah (19). Only wells in states WellCensus has ingested are counted.
How many of Arch Oil & Gas's wells are still active?
0 of Arch Oil & Gas's catalogued wells are active; 29 are plugged & abandoned.
In which states does Arch Oil & Gas operate wells?
Arch Oil & Gas is the operator of record for wells in Utah (19) and Colorado (12).
Does Arch Oil & Gas operate mostly oil or gas wells?
4 of Arch Oil & Gas's catalogued wells are oil wells and 20 are gas wells; the rest are injection, service or unclassified wells.
What is Arch Oil & Gas's deepest well?
Among wells with a published depth, 10-1-1s-104 Fee in Rio Blanco, CO is the deepest at 9,000 ft.
Where Arch Oil & Gas'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, “Arch Oil & Gas — well portfolio”, https://wellcensus.com/operators/arch-oil-gas-7584 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).