Probe Oil
Operator of record for 50 catalogued wells across 2 states. Every well below links to its full registry page.
Filed as: Probe Oil Company · Probe Oil Inc
At a glance
Probe Oil is the operator of record for 50 catalogued U.S. oil & gas wells in 2 states. None is listed as active, 49 (98%) are plugged & abandoned. Its largest concentration is in Montana, with 49 wells (98% of its portfolio).
Wells operated
50
Active
0
Plugged
49
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Montana | 49 |
| Utah | 1 |
Well mix
- Oil wells
- 2
- Gas wells
- 4
- Shut-in
- 0
- Active share
- 0%
Is this your company?
Claim Probe Oil to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Probe Oil operate?
Probe Oil's catalogued wells are spread across 2 states: Montana (49) and Utah (1). Its 49 Montana wells are 0.1% 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 Probe Oil’s wells are active, plugged or orphaned?
0% of Probe Oil's catalogued wells are active, 29 percentage points below the national share of 29%. 98% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Probe Oil operate?
By product class, 2 (4%) are oil wells and 4 (8%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is Humbert 32-35-19 in Blaine, MT at 4,045 ft. The wells listed below sit in Blaine (MT), Chouteau (MT), Judith Basin (MT) and Hill (MT). State filings spell the name 2 ways; WellCensus merges exact-normalized spellings only, so subsidiaries and affiliates keep their own pages.
Notable wells operated by Probe Oil
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Humbert 32-35-19 | 25-005-21588 | Plugged & abandoned | Other type | Blaine, MT | Probe Oil Company | 4,045 ft |
| Holman Ranch 2 | 25-005-21543 | Plugged & abandoned | Oil | Blaine, MT | Probe Oil Company | 4,030 ft |
| Seaman 20-34-19 | 25-005-21544 | Plugged & abandoned | Other type | Blaine, MT | Probe Oil Company | 4,020 ft |
| Ralph Wiggin 1-5 | 25-005-21725 | Plugged & abandoned | Other type | Blaine, MT | Probe Oil Company | 2,900 ft |
| State 4-36 | 25-015-21506 | Plugged & abandoned | Other type | Chouteau, MT | Probe Oil Company | 2,404 ft |
| Anderson 1 | 25-045-21020 | Plugged & abandoned | Other type | Judith Basin, MT | Probe Oil Company | 2,300 ft |
| Spencer 12-35-19-1 | 25-005-21547 | Plugged & abandoned | Other type | Blaine, MT | Probe Oil Company | 1,800 ft |
| Shep. 32-35-17 | 25-041-21623 | Plugged & abandoned | Other type | Hill, MT | Probe Oil Company | 1,715 ft |
| Sand 20-36-18 | 25-005-21551 | Plugged & abandoned | Other type | Blaine, MT | Probe Oil Company | 1,700 ft |
| Dolan 1 | 25-005-21570 | Plugged & abandoned | Other type | Blaine, MT | Probe Oil Company | 1,650 ft |
| St 16-34-18 #1 | 25-005-21475 | Plugged & abandoned | Other type | Blaine, MT | Probe Oil Company | 1,600 ft |
| Monson 34-35-18 | 25-005-21482 | Plugged & abandoned | Other type | Blaine, MT | Probe Oil Company | 1,600 ft |
Deepest first where depth is published. See all 50 wells →
Frequently asked questions
How many wells does Probe Oil operate?
Probe Oil is the operator of record for 50 catalogued oil & gas wells, with the largest concentration in Montana (49). Only wells in states WellCensus has ingested are counted.
How many of Probe Oil's wells are still active?
0 of Probe Oil's catalogued wells are active; 49 are plugged & abandoned.
In which states does Probe Oil operate wells?
Probe Oil is the operator of record for wells in Montana (49) and Utah (1).
Does Probe Oil operate mostly oil or gas wells?
2 of Probe Oil's catalogued wells are oil wells and 4 are gas wells; the rest are injection, service or unclassified wells.
What is Probe Oil's deepest well?
Among wells with a published depth, Humbert 32-35-19 in Blaine, MT is the deepest at 4,045 ft.
Where Probe 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, “Probe Oil — well portfolio”, https://wellcensus.com/operators/probe-oil-127710 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).