Ajax Oil
Operator of record for 51 catalogued wells across 5 states. Every well below links to its full registry page.
Filed as: AJAX OIL CO · AJAX OIL CO. · AJAX OIL COMPANY · Ajax Oil Co · …
At a glance
Ajax Oil is the operator of record for 51 catalogued U.S. oil & gas wells in 5 states. None is listed as active, 49 (96%) are plugged & abandoned. Its largest concentration is in Wyoming, with 32 wells (63% of its portfolio).
Wells operated
51
Active
0
Plugged
49
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Wyoming | 32 |
| Montana | 16 |
| Kansas | 1 |
| Kentucky | 1 |
| North Dakota | 1 |
Well mix
- Oil wells
- 35
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 0%
Is this your company?
Claim Ajax Oil to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Ajax Oil operate?
Ajax Oil's catalogued wells are spread across 5 states: Wyoming (32), Montana (16), Kansas (1), Kentucky (1) and North Dakota (1). Its 16 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 Ajax Oil’s wells are active, plugged or orphaned?
0% of Ajax Oil's catalogued wells are active, 29 percentage points below the national share of 29%. 96% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Ajax Oil operate?
By product class, 35 (69%) 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 Hagan 1 in Dawson, MT at 10,116 ft. The wells listed below sit in Dawson (MT), Fallon (MT), Converse (WY), Big Horn (WY) and Roosevelt (MT). State filings spell the name 5 ways; WellCensus merges exact-normalized spellings only, so subsidiaries and affiliates keep their own pages.
Notable wells operated by Ajax Oil
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Hagan 1 | 25-021-05101 | Plugged & abandoned | Other type | Dawson, MT | Ajax Oil Co | 10,116 ft |
| Osborne 1 | 25-021-05119 | Plugged & abandoned | Other type | Dawson, MT | Ajax Oil Co | 9,354 ft |
| Barrett 1 | 25-025-05223 | Plugged & abandoned | Oil | Fallon, MT | Ajax Oil Co | 9,313 ft |
| Wm Ferguson 1 | 25-025-05199 | Plugged & abandoned | Other type | Fallon, MT | Ajax Oil Co | 9,237 ft |
| Tague #1 | 25-021-05153 | Plugged & abandoned | Other type | Dawson, MT | Ajax Oil Co | 8,976 ft |
| Scott Carey 1 | 49-009-05706 | Plugged & abandoned | Oil | Converse, WY | Ajax Oil Company | 8,295 ft |
| Crusader W-042929 1 | 49-003-05186 | Plugged & abandoned | Oil | Big Horn, WY | Ajax Oil Company | 7,275 ft |
| Goff 1 | 49-009-06233 | Plugged & abandoned | Oil | Converse, WY | Ajax Oil Company | 7,255 ft |
| Paulson 1 | 25-085-05295 | Plugged & abandoned | Other type | Roosevelt, MT | Ajax Oil Co | 7,004 ft |
| Simic B-042929 1 | 49-003-05203 | Plugged & abandoned | Oil | Big Horn, WY | Ajax Oil Company | 6,945 ft |
| Tryser-State 1 | 49-009-05292 | Plugged & abandoned | Oil | Converse, WY | Ajax Oil Company | 6,510 ft |
| Mcgowan 2 | 25-085-05152 | Plugged & abandoned | Other type | Roosevelt, MT | Ajax Oil Co | 6,420 ft |
Deepest first where depth is published. See all 51 wells →
Frequently asked questions
How many wells does Ajax Oil operate?
Ajax Oil is the operator of record for 51 catalogued oil & gas wells, with the largest concentration in Wyoming (32). Only wells in states WellCensus has ingested are counted.
How many of Ajax Oil's wells are still active?
0 of Ajax Oil's catalogued wells are active; 49 are plugged & abandoned.
In which states does Ajax Oil operate wells?
Ajax Oil is the operator of record for wells in Wyoming (32), Montana (16), Kansas (1), Kentucky (1) and North Dakota (1).
Does Ajax Oil operate mostly oil or gas wells?
35 of Ajax Oil's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Ajax Oil's deepest well?
Among wells with a published depth, Hagan 1 in Dawson, MT is the deepest at 10,116 ft.
Where Ajax Oil's wells are
- Oil & gas wells in Wyoming· 32 operated by Ajax Oil
- Oil & gas wells in Montana· 16 operated by Ajax Oil
- Oil & gas wells in Kansas· 1 operated by Ajax Oil
- Oil & gas wells in Kentucky· 1 operated by Ajax Oil
- Oil & gas wells in North Dakota· 1 operated by Ajax Oil
- Largest U.S. well operators
- All well operators
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, “Ajax Oil — well portfolio”, https://wellcensus.com/operators/ajax-oil-27216 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).