Carnell Millicent C
Operator of record for 12 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Carnell Millicent C is the operator of record for 12 catalogued U.S. oil & gas wells in 1 state. None is listed as active, 11 (92%) are plugged & abandoned. Its largest concentration is in Montana, with 12 wells (100% of its portfolio).
Wells operated
12
Active
0
Plugged
11
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Montana | 12 |
Well mix
- Oil wells
- 5
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 0%
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Claim your operator profileWhere does Carnell Millicent C operate?
Carnell Millicent C's catalogued wells are spread across 1 state: Montana (12). Its 12 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 Carnell Millicent C’s wells are active, plugged or orphaned?
0% of Carnell Millicent C's catalogued wells are active, 29 percentage points below the national share of 29%. 92% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Carnell Millicent C operate?
By product class, 5 (42%) are oil wells and 0 (0%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is Carnell 5 in Petroleum, MT at 3,853 ft.
Notable wells operated by Carnell Millicent C
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Carnell 5 | 25-069-21070 | Plugged & abandoned | Oil | Petroleum, MT | Carnell, Millicent C. | 3,853 ft |
| Harlan #1 | 25-069-21017 | Plugged & abandoned | Other type | Petroleum, MT | Carnell, Millicent C. | 3,669 ft |
| Olson-Jensen 3 | 25-069-05364 | Plugged & abandoned | Oil | Petroleum, MT | Carnell, Millicent C. | 3,022 ft |
| Olson-Carnell 1 | 25-069-05132 | Plugged & abandoned | Other type | Petroleum, MT | Carnell, Millicent C. | 2,290 ft |
| King 1 | 25-069-21047 | Other status | Other type | Petroleum, MT | Carnell, Millicent C. | 2,032 ft |
| Olson-Jensen 4 | 25-069-21143 | Plugged & abandoned | Oil | Petroleum, MT | Carnell, Millicent C. | 1,600 ft |
| Carnll-Charle 1 | 25-069-05129 | Plugged & abandoned | Other type | Petroleum, MT | Carnell, Millicent C. | 1,537 ft |
| Olson>shallow 1 | 25-069-21019 | Plugged & abandoned | Other type | Petroleum, MT | Carnell, Millicent C. | 1,117 ft |
| Olson>shallow 2 | 25-069-21021 | Plugged & abandoned | Other type | Petroleum, MT | Carnell, Millicent C. | 1,095 ft |
| Olson Jensen 2 | 25-069-05137 | Plugged & abandoned | Other type | Petroleum, MT | Carnell, Millicent C. | 1,083 ft |
| Fradd 2 | 25-069-21078 | Plugged & abandoned | Oil | Petroleum, MT | Carnell, Millicent C. | 710 ft |
| Fradd 1 | 25-069-21058 | Plugged & abandoned | Oil | Petroleum, MT | Carnell, Millicent C. | 702 ft |
Deepest first where depth is published. See all 12 wells →
Frequently asked questions
How many wells does Carnell Millicent C operate?
Carnell Millicent C is the operator of record for 12 catalogued oil & gas wells, with the largest concentration in Montana (12). Only wells in states WellCensus has ingested are counted.
How many of Carnell Millicent C's wells are still active?
0 of Carnell Millicent C's catalogued wells are active; 11 are plugged & abandoned.
In which states does Carnell Millicent C operate wells?
Carnell Millicent C is the operator of record for wells in Montana (12).
Does Carnell Millicent C operate mostly oil or gas wells?
5 of Carnell Millicent C's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Carnell Millicent C's deepest well?
Among wells with a published depth, Carnell 5 in Petroleum, MT is the deepest at 3,853 ft.
Where Carnell Millicent C'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, “Carnell Millicent C — well portfolio”, https://wellcensus.com/operators/carnell-millicent-c-128385 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).