Thomas Petroleum
Operator of record for 3 catalogued wells across 2 states. Every well below links to its full registry page.
Filed as: THOMAS PETROLEUM · Thomas Petroleum
At a glance
Thomas Petroleum is the operator of record for 3 catalogued U.S. oil & gas wells in 2 states. None is listed as active, 3 (100%) are plugged & abandoned. Its largest concentration is in Montana, with 2 wells (67% of its portfolio).
Wells operated
3
Active
0
Plugged
3
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Montana | 2 |
| Colorado | 1 |
Well mix
- Oil wells
- 0
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 0%
Is this your company?
Claim Thomas Petroleum to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Thomas Petroleum operate?
Thomas Petroleum's catalogued wells are spread across 2 states: Montana (2) and Colorado (1). Its 2 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 Thomas Petroleum’s wells are active, plugged or orphaned?
0% of Thomas Petroleum'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 Thomas Petroleum operate?
By product class, 0 (0%) 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 Mader-Federal 1-34 in Powder River, MT at 5,900 ft. The wells listed below sit in Powder River (MT) and Logan (CO). 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 Thomas Petroleum
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Mader-Federal 1-34 | 25-075-21760 | Plugged & abandoned | Other type | Powder River, MT | Thomas Petroleum | 5,900 ft |
| Allen-Federal 1-27 | 25-075-21747 | Plugged & abandoned | Other type | Powder River, MT | Thomas Petroleum | 5,850 ft |
| 1-27 Scalva | 05-075-08206 | Plugged & abandoned | Other type | Logan, CO | Thomas Petroleum | 4,430 ft |
Deepest first where depth is published. See all 3 wells →
Frequently asked questions
How many wells does Thomas Petroleum operate?
Thomas Petroleum is the operator of record for 3 catalogued oil & gas wells, with the largest concentration in Montana (2). Only wells in states WellCensus has ingested are counted.
How many of Thomas Petroleum's wells are still active?
0 of Thomas Petroleum's catalogued wells are active; 3 are plugged & abandoned.
In which states does Thomas Petroleum operate wells?
Thomas Petroleum is the operator of record for wells in Montana (2) and Colorado (1).
Does Thomas Petroleum operate mostly oil or gas wells?
0 of Thomas Petroleum's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Thomas Petroleum's deepest well?
Among wells with a published depth, Mader-Federal 1-34 in Powder River, MT is the deepest at 5,900 ft.
Where Thomas Petroleum'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, “Thomas Petroleum — well portfolio”, https://wellcensus.com/operators/thomas-petroleum-16777 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).