Rossmiller Duard
Operator of record for 49 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Rossmiller Duard is the operator of record for 49 catalogued U.S. oil & gas wells in 1 state. None is listed as active, 49 (100%) are plugged & abandoned. Its largest concentration is in Montana, with 49 wells (100% of its portfolio).
Wells operated
49
Active
0
Plugged
49
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Montana | 49 |
Well mix
- Oil wells
- 3
- Gas wells
- 2
- Shut-in
- 0
- Active share
- 0%
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Claim your operator profileWhere does Rossmiller Duard operate?
Rossmiller Duard's catalogued wells are spread across 1 state: Montana (49). Its 49 Montana wells are 0.1% of the 42,011 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 Rossmiller Duard’s wells are active, plugged or orphaned?
0% of Rossmiller Duard's catalogued wells are active, 29 percentage points below the national share of 29%. 100% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Rossmiller Duard operate?
By product class, 3 (6%) are oil wells and 2 (4%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is Furnell #1 in Toole, MT at 3,031 ft. The wells listed below sit in Toole (MT), Liberty (MT) and Glacier (MT).
Notable wells operated by Rossmiller Duard
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Furnell #1 | 25-101-08701 | Plugged & abandoned | Other type | Toole, MT | Rossmiller, Duard | 3,031 ft |
| Jenson 1 | 25-051-05449 | Plugged & abandoned | Other type | Liberty, MT | Rossmiller, Duard | 2,981 ft |
| Hutcheson 11-28 | 25-051-21332 | Plugged & abandoned | Other type | Liberty, MT | Rossmiller, Duard | 2,950 ft |
| Thompson 1-11 | 25-035-21368 | Plugged & abandoned | Other type | Glacier, MT | Rossmiller, Duard | 2,900 ft |
| R.-Wickum 22-21 | 25-051-21370 | Plugged & abandoned | Other type | Liberty, MT | Rossmiller, Duard | 2,802 ft |
| Demarest 5-32 | 25-051-21519 | Plugged & abandoned | Other type | Liberty, MT | Rossmiller, Duard | 2,796 ft |
| State 7-3 | 25-101-22017 | Plugged & abandoned | Other type | Toole, MT | Rossmiller, Duard | 2,707 ft |
| Blair 1 | 25-051-05071 | Plugged & abandoned | Oil | Liberty, MT | Rossmiller, Duard | 2,700 ft |
| Thieltges 7 | 25-051-21513 | Plugged & abandoned | Other type | Liberty, MT | Rossmiller, Duard | 2,696 ft |
| State 1 | 25-101-21022 | Plugged & abandoned | Other type | Toole, MT | Rossmiller, Duard | 2,689 ft |
| Demarest 10-32 | 25-051-21585 | Plugged & abandoned | Other type | Liberty, MT | Rossmiller, Duard | 2,678 ft |
| State 1-34 | 25-101-21581 | Plugged & abandoned | Other type | Toole, MT | Rossmiller, Duard | 2,674 ft |
Deepest first where depth is published. See all 49 wells →
Frequently asked questions
How many wells does Rossmiller Duard operate?
Rossmiller Duard is the operator of record for 49 catalogued oil & gas wells, with the largest concentration in Montana (49). Only wells in states WellCensus has ingested are counted.
How many of Rossmiller Duard's wells are still active?
0 of Rossmiller Duard's catalogued wells are active; 49 are plugged & abandoned.
In which states does Rossmiller Duard operate wells?
Rossmiller Duard is the operator of record for wells in Montana (49).
Does Rossmiller Duard operate mostly oil or gas wells?
3 of Rossmiller Duard's catalogued wells are oil wells and 2 are gas wells; the rest are injection, service or unclassified wells.
What is Rossmiller Duard's deepest well?
Among wells with a published depth, Furnell #1 in Toole, MT is the deepest at 3,031 ft.
Where Rossmiller Duard'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, “Rossmiller Duard — well portfolio”, https://wellcensus.com/operators/rossmiller-duard-127501 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).