Fifty Six Petroleum
Operator of record for 15 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Fifty Six Petroleum is the operator of record for 15 catalogued U.S. oil & gas wells in 1 state. None is listed as active, 14 (93%) are plugged & abandoned. Its largest concentration is in Montana, with 15 wells (100% of its portfolio).
Wells operated
15
Active
0
Plugged
14
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Montana | 15 |
Well mix
- Oil wells
- 4
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 0%
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Claim your operator profileWhere does Fifty Six Petroleum operate?
Fifty Six Petroleum's catalogued wells are spread across 1 state: Montana (15). Its 15 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 Fifty Six Petroleum’s wells are active, plugged or orphaned?
0% of Fifty Six Petroleum's catalogued wells are active, 29 percentage points below the national share of 29%. 93% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Fifty Six Petroleum operate?
By product class, 4 (27%) 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 Barkuloo 1 in Toole, MT at 2,113 ft. The wells listed below sit in Toole (MT), Petroleum (MT) and Big Horn (MT).
Notable wells operated by Fifty Six Petroleum
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Barkuloo 1 | 25-101-05848 | Plugged & abandoned | Other type | Toole, MT | Fifty Six Petroleum | 2,113 ft |
| Post | 25-069-05222 | Plugged & abandoned | Other type | Petroleum, MT | Fifty Six Petroleum | 1,920 ft |
| Keywood 1 | 25-101-05340 | Plugged & abandoned | Other type | Toole, MT | Fifty Six Petroleum | 1,900 ft |
| Girth 1 | 25-101-05119 | Plugged & abandoned | Other type | Toole, MT | Fifty Six Petroleum | 1,803 ft |
| Ihde 12 | 25-069-60122 | Other status | Other type | Petroleum, MT | Fifty Six Petroleum | 1,719 ft |
| Crow Tribal 2 | 25-003-05125 | Plugged & abandoned | Other type | Big Horn, MT | Fifty Six Petroleum | 1,687 ft |
| Murrills 1 | 25-101-05244 | Plugged & abandoned | Other type | Toole, MT | Fifty Six Petroleum | 1,645 ft |
| Caine 26 | 25-101-10626 | Plugged & abandoned | Other type | Toole, MT | Fifty Six Petroleum | 1,520 ft |
| Caine 18 | 25-101-10624 | Plugged & abandoned | Other type | Toole, MT | Fifty Six Petroleum | 1,512 ft |
| Caine 1 | 25-101-10621 | Plugged & abandoned | Oil | Toole, MT | Fifty Six Petroleum | 1,500 ft |
| Caine 21 | 25-101-10625 | Plugged & abandoned | Oil | Toole, MT | Fifty Six Petroleum | 1,490 ft |
| Caine 16 | 25-101-10623 | Plugged & abandoned | Oil | Toole, MT | Fifty Six Petroleum | 1,464 ft |
Deepest first where depth is published. See all 15 wells →
Frequently asked questions
How many wells does Fifty Six Petroleum operate?
Fifty Six Petroleum is the operator of record for 15 catalogued oil & gas wells, with the largest concentration in Montana (15). Only wells in states WellCensus has ingested are counted.
How many of Fifty Six Petroleum's wells are still active?
0 of Fifty Six Petroleum's catalogued wells are active; 14 are plugged & abandoned.
In which states does Fifty Six Petroleum operate wells?
Fifty Six Petroleum is the operator of record for wells in Montana (15).
Does Fifty Six Petroleum operate mostly oil or gas wells?
4 of Fifty Six Petroleum's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Fifty Six Petroleum's deepest well?
Among wells with a published depth, Barkuloo 1 in Toole, MT is the deepest at 2,113 ft.
Where Fifty Six 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, “Fifty Six Petroleum — well portfolio”, https://wellcensus.com/operators/fifty-six-petroleum-128405 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).