Ranck Oil
Operator of record for 180 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Ranck Oil is the operator of record for 180 catalogued U.S. oil & gas wells in 1 state. 75 (42%) are active, 37 (21%) plugged & abandoned and 1 flagged as orphaned. Its largest concentration is in Montana, with 180 wells (100% of its portfolio).
Wells operated
180
Active
75
Plugged
37
Orphaned
1
Portfolio by state
| State | Wells |
|---|---|
| Montana | 180 |
Well mix
- Oil wells
- 16
- Gas wells
- 150
- Shut-in
- 67
- Active share
- 42%
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Claim your operator profileWhere does Ranck Oil operate?
Ranck Oil's catalogued wells are spread across 1 state: Montana (180). Its 180 Montana wells are 0.4% 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 Ranck Oil’s wells are active, plugged or orphaned?
42% of Ranck Oil's catalogued wells are active, 13 percentage points above the national share of 29%. 21% are plugged & abandoned, against 47% nationally. 67 wells (37%) are shut-in — unplugged but idle. 1 wells filed under this name are flagged as orphaned — unplugged, with no operator able to plug them.
What kinds of wells does Ranck Oil operate?
By product class, 16 (9%) are oil wells and 150 (83%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is Potlatch 1 in Toole, MT at 3,354 ft. The wells listed below sit in Toole (MT), Pondera (MT) and Glacier (MT).
Notable wells operated by Ranck Oil
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Potlatch 1 | 25-101-21795 | Shut-in | Gas | Toole, MT | Ranck Oil Company, Inc. | 3,354 ft |
| Overby 1 | 25-101-23086 | Plugged & abandoned | Oil | Toole, MT | Ranck Oil Company, Inc. | 3,214 ft |
| Turner 1 | 25-101-23151 | Plugged & abandoned | Oil | Toole, MT | Ranck Oil Company, Inc. | 3,200 ft |
| State 14-16 | 25-073-21755 | Plugged & abandoned | Gas | Pondera, MT | Ranck Oil Company, Inc. | 3,132 ft |
| State 14-12 | 25-035-21264 | Active | Oil | Glacier, MT | Ranck Oil Company, Inc. | 3,102 ft |
| Bonnet 1 | 25-035-21343 | Plugged & abandoned | Oil | Glacier, MT | Ranck Oil Company, Inc. | 3,017 ft |
| State 15-36 | 25-035-21512 | Plugged & abandoned | Other type | Glacier, MT | Ranck Oil Company, Inc. | 2,926 ft |
| Pierce 2 | 25-035-06601 | Active | Oil | Glacier, MT | Ranck Oil Company, Inc. | 2,819 ft |
| State 8-28-36-5 | 25-035-21848 | Active | Gas | Glacier, MT | Ranck Oil Company, Inc. | 2,816 ft |
| Fjossee 2-35 | 25-035-21372 | Active | Gas | Glacier, MT | Ranck Oil Company, Inc. | 2,815 ft |
| Six Inc. 9-35 | 25-035-21460 | Active | Gas | Glacier, MT | Ranck Oil Company, Inc. | 2,800 ft |
| Boe 8-2 | 25-035-21461 | Active | Gas | Glacier, MT | Ranck Oil Company, Inc. | 2,774 ft |
Deepest first where depth is published. See all 180 wells →
Frequently asked questions
How many wells does Ranck Oil operate?
Ranck Oil is the operator of record for 180 catalogued oil & gas wells, with the largest concentration in Montana (180). Only wells in states WellCensus has ingested are counted.
How many of Ranck Oil's wells are still active?
75 of Ranck Oil's catalogued wells are active; 37 are plugged & abandoned and 1 are flagged as orphaned.
In which states does Ranck Oil operate wells?
Ranck Oil is the operator of record for wells in Montana (180).
Does Ranck Oil operate mostly oil or gas wells?
16 of Ranck Oil's catalogued wells are oil wells and 150 are gas wells; the rest are injection, service or unclassified wells.
What is Ranck Oil's deepest well?
Among wells with a published depth, Potlatch 1 in Toole, MT is the deepest at 3,354 ft.
Where Ranck 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, “Ranck Oil — well portfolio”, https://wellcensus.com/operators/ranck-oil-127425 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).