Rimrock Colony
Operator of record for 11 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Rimrock Colony is the operator of record for 11 catalogued U.S. oil & gas wells in 1 state. 7 (64%) are active, 1 (9%) plugged & abandoned. Its largest concentration is in Montana, with 11 wells (100% of its portfolio).
Wells operated
11
Active
7
Plugged
1
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Montana | 11 |
Well mix
- Oil wells
- 0
- Gas wells
- 11
- Shut-in
- 2
- Active share
- 64%
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Claim Rimrock Colony to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Rimrock Colony operate?
Rimrock Colony's catalogued wells are spread across 1 state: Montana (11). Its 11 Montana wells are 0.0% 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 Rimrock Colony’s wells are active, plugged or orphaned?
64% of Rimrock Colony's catalogued wells are active, 35 percentage points above the national share of 29%. 9% are plugged & abandoned, against 47% nationally. 2 wells (18%) are shut-in — unplugged but idle. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Rimrock Colony operate?
By product class, 0 (0%) are oil wells and 11 (100%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is State of Montana 1 in Toole, MT at 2,855 ft.
Notable wells operated by Rimrock Colony
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| State of Montana 1 | 25-101-21558 | Active | Gas | Toole, MT | Rimrock Colony | 2,855 ft |
| McNamer 1-18 | 25-101-21534 | Plugged & abandoned | Gas | Toole, MT | Rimrock Colony | 2,848 ft |
| McGregor-Nadeau 1 | 25-101-21554 | Active | Gas | Toole, MT | Rimrock Colony | 2,845 ft |
| Rigney 1 | 25-101-21555 | Active | Gas | Toole, MT | Rimrock Colony | 2,800 ft |
| State of Montana 2 | 25-101-21792 | Active | Gas | Toole, MT | Rimrock Colony | 2,753 ft |
| Rankin C 1 | 25-101-07226 | Active | Gas | Toole, MT | Rimrock Colony | 2,751 ft |
| Harold Albin 1 | 25-101-21758 | Shut-in | Gas | Toole, MT | Rimrock Colony | 2,743 ft |
| McGregor-Nadeau 2 | 25-101-21571 | Other status | Gas | Toole, MT | Rimrock Colony | 2,739 ft |
| Golden 2 | 25-101-21801 | Active | Gas | Toole, MT | Rimrock Colony | 2,735 ft |
| Hesla 1-33 | 25-101-07325 | Shut-in | Gas | Toole, MT | Rimrock Colony | 2,215 ft |
| Fitzpatrick 5-22 | 25-101-23449 | Active | Gas | Toole, MT | Rimrock Colony | 2,007 ft |
Deepest first where depth is published. See all 11 wells →
Frequently asked questions
How many wells does Rimrock Colony operate?
Rimrock Colony is the operator of record for 11 catalogued oil & gas wells, with the largest concentration in Montana (11). Only wells in states WellCensus has ingested are counted.
How many of Rimrock Colony's wells are still active?
7 of Rimrock Colony's catalogued wells are active; 1 are plugged & abandoned.
In which states does Rimrock Colony operate wells?
Rimrock Colony is the operator of record for wells in Montana (11).
Does Rimrock Colony operate mostly oil or gas wells?
0 of Rimrock Colony's catalogued wells are oil wells and 11 are gas wells; the rest are injection, service or unclassified wells.
What is Rimrock Colony's deepest well?
Among wells with a published depth, State of Montana 1 in Toole, MT is the deepest at 2,855 ft.
Where Rimrock Colony'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, “Rimrock Colony — well portfolio”, https://wellcensus.com/operators/rimrock-colony-129747 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).