Mont Mil Operating
Operator of record for 132 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Mont Mil Operating is the operator of record for 132 catalogued U.S. oil & gas wells in 1 state. None is listed as active, 132 (100%) are plugged & abandoned. Its largest concentration is in Montana, with 132 wells (100% of its portfolio).
Wells operated
132
Active
0
Plugged
132
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Montana | 132 |
Well mix
- Oil wells
- 48
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 0%
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Claim your operator profileWhere does Mont Mil Operating operate?
Mont Mil Operating's catalogued wells are spread across 1 state: Montana (132). Its 132 Montana wells are 0.3% 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 Mont Mil Operating’s wells are active, plugged or orphaned?
0% of Mont Mil Operating'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 Mont Mil Operating operate?
By product class, 48 (36%) 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 Wsw #2 (5992) in Glacier, MT at 3,767 ft.
Notable wells operated by Mont Mil Operating
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Wsw #2 (5992) | 25-035-21015 | Plugged & abandoned | Other type | Glacier, MT | Mont Mil Operating Company | 3,767 ft |
| Tmcbsu 2816 | 25-035-21080 | Plugged & abandoned | Oil | Glacier, MT | Mont Mil Operating Company | 3,710 ft |
| Tmcbsu 33-1 | 25-035-21071 | Plugged & abandoned | Oil | Glacier, MT | Mont Mil Operating Company | 3,700 ft |
| Tmcbsu 33-2 | 25-035-21068 | Plugged & abandoned | Injection | Glacier, MT | Mont Mil Operating Company | 3,700 ft |
| Tmcbsu 28-9 | 25-035-21081 | Plugged & abandoned | Oil | Glacier, MT | Mont Mil Operating Company | 3,690 ft |
| Tmcbsu 28-8 | 25-035-21055 | Plugged & abandoned | Injection | Glacier, MT | Mont Mil Operating Company | 3,685 ft |
| 2115 | 25-035-21083 | Plugged & abandoned | Oil | Glacier, MT | Mont Mil Operating Company | 3,660 ft |
| 33-03 | 25-035-07149 | Plugged & abandoned | Other type | Glacier, MT | Mont Mil Operating Company | 3,655 ft |
| Tmcbsu 3306 | 25-035-21056 | Plugged & abandoned | Injection | Glacier, MT | Mont Mil Operating Company | 3,654 ft |
| Tmcbsu 28-1 | 25-035-21082 | Plugged & abandoned | Oil | Glacier, MT | Mont Mil Operating Company | 3,650 ft |
| Tmcbsu 2810 | 25-035-21053 | Plugged & abandoned | Injection | Glacier, MT | Mont Mil Operating Company | 3,645 ft |
| Tmcb #28-2 | 25-035-21054 | Plugged & abandoned | Injection | Glacier, MT | Mont Mil Operating Company | 3,636 ft |
Deepest first where depth is published. See all 132 wells →
Frequently asked questions
How many wells does Mont Mil Operating operate?
Mont Mil Operating is the operator of record for 132 catalogued oil & gas wells, with the largest concentration in Montana (132). Only wells in states WellCensus has ingested are counted.
How many of Mont Mil Operating's wells are still active?
0 of Mont Mil Operating's catalogued wells are active; 132 are plugged & abandoned.
In which states does Mont Mil Operating operate wells?
Mont Mil Operating is the operator of record for wells in Montana (132).
Does Mont Mil Operating operate mostly oil or gas wells?
48 of Mont Mil Operating's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Mont Mil Operating's deepest well?
Among wells with a published depth, Wsw #2 (5992) in Glacier, MT is the deepest at 3,767 ft.
Where Mont Mil Operating'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, “Mont Mil Operating — well portfolio”, https://wellcensus.com/operators/mont-mil-operating-127253 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).