Mosby Oil
Operator of record for 5 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Mosby Oil is the operator of record for 5 catalogued U.S. oil & gas wells in 1 state. None is listed as active, 4 (80%) are plugged & abandoned. Its largest concentration is in Montana, with 5 wells (100% of its portfolio).
Wells operated
5
Active
0
Plugged
4
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Montana | 5 |
Well mix
- Oil wells
- 3
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 0%
Is this your company?
Claim Mosby Oil to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Mosby Oil operate?
Mosby Oil's catalogued wells are spread across 1 state: Montana (5). Its 5 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 Mosby Oil’s wells are active, plugged or orphaned?
0% of Mosby Oil's catalogued wells are active, 29 percentage points below the national share of 29%. 80% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Mosby Oil operate?
By product class, 3 (60%) 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 Pederson 1 in Toole, MT at 1,782 ft. The wells listed below sit in Toole (MT), Garfield (MT) and Petroleum (MT).
Notable wells operated by Mosby Oil
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Pederson 1 | 25-101-08788 | Plugged & abandoned | Other type | Toole, MT | Mosby Oil | 1,782 ft |
| Pederson 2 | 25-101-08789 | Plugged & abandoned | Oil | Toole, MT | Mosby Oil | 1,680 ft |
| Pederson 3 | 25-101-08790 | Plugged & abandoned | Other type | Toole, MT | Mosby Oil | 1,678 ft |
| Mitchell 1-A | 25-033-06183 | Other status | Oil | Garfield, MT | Mosby Oil | 1,060 ft |
| Mitchell 2-A | 25-069-06566 | Plugged & abandoned | Oil | Petroleum, MT | Mosby Oil | 1,020 ft |
Deepest first where depth is published. See all 5 wells →
Frequently asked questions
How many wells does Mosby Oil operate?
Mosby Oil is the operator of record for 5 catalogued oil & gas wells, with the largest concentration in Montana (5). Only wells in states WellCensus has ingested are counted.
How many of Mosby Oil's wells are still active?
0 of Mosby Oil's catalogued wells are active; 4 are plugged & abandoned.
In which states does Mosby Oil operate wells?
Mosby Oil is the operator of record for wells in Montana (5).
Does Mosby Oil operate mostly oil or gas wells?
3 of Mosby Oil's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Mosby Oil's deepest well?
Among wells with a published depth, Pederson 1 in Toole, MT is the deepest at 1,782 ft.
Where Mosby Oil'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, “Mosby Oil — well portfolio”, https://wellcensus.com/operators/mosby-oil-127201 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).