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WellCensus

Dunkirk Oil

Operator of record for 3 catalogued wells across 1 state. Every well below links to its full registry page.

At a glance

Dunkirk Oil is the operator of record for 3 catalogued U.S. oil & gas wells in 1 state. None is listed as active, 3 (100%) are plugged & abandoned. Its largest concentration is in Montana, with 3 wells (100% of its portfolio).

Wells operated

3

Active

0

Plugged

3

Orphaned

0

Portfolio by state

StateWells
Montana3

Well mix

Oil wells
0
Gas wells
0
Shut-in
0
Active share
0%

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Where does Dunkirk Oil operate?

Dunkirk Oil's catalogued wells are spread across 1 state: Montana (3). Its 3 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 Dunkirk Oil’s wells are active, plugged or orphaned?

0% of Dunkirk Oil'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 Dunkirk Oil 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 Grisson 1 in Toole, MT at 2,136 ft.

Notable wells operated by Dunkirk Oil

Wells operated by Dunkirk Oil
WellAPI # / state IDStatusTypeLocationOperatorDepth
Grisson 125-101-05033Plugged & abandonedOther typeToole, MTDunkirk Oil Co.2,136 ft
Mckechnie 125-101-05043Plugged & abandonedOther typeToole, MTDunkirk Oil Co.1,787 ft
Hawkins 125-101-05034Plugged & abandonedOther typeToole, MTDunkirk Oil Co.1,178 ft

Deepest first where depth is published. See all 3 wells →

Frequently asked questions

How many wells does Dunkirk Oil operate?

Dunkirk Oil is the operator of record for 3 catalogued oil & gas wells, with the largest concentration in Montana (3). Only wells in states WellCensus has ingested are counted.

How many of Dunkirk Oil's wells are still active?

0 of Dunkirk Oil's catalogued wells are active; 3 are plugged & abandoned.

In which states does Dunkirk Oil operate wells?

Dunkirk Oil is the operator of record for wells in Montana (3).

Does Dunkirk Oil operate mostly oil or gas wells?

0 of Dunkirk Oil's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.

What is Dunkirk Oil's deepest well?

Among wells with a published depth, Grisson 1 in Toole, MT is the deepest at 2,136 ft.

Where Dunkirk 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, “Dunkirk Oil — well portfolio”, https://wellcensus.com/operators/dunkirk-oil-129465 (data as of October 10, 2026).

Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).