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WellCensus

Dunlap Dd

Operator of record for 3 catalogued wells across 2 states. Every well below links to its full registry page.

Filed as: Dunlap, D D · Dunlap, D.D.

At a glance

Dunlap Dd is the operator of record for 3 catalogued U.S. oil & gas wells in 2 states. None is listed as active, 2 (67%) are plugged & abandoned. Its largest concentration is in Montana, with 2 wells (67% of its portfolio).

Wells operated

3

Active

0

Plugged

2

Orphaned

0

Portfolio by state

StateWells
Montana2
Utah1

Well mix

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

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Where does Dunlap Dd operate?

Dunlap Dd's catalogued wells are spread across 2 states: Montana (2) and Utah (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 Dunlap Dd’s wells are active, plugged or orphaned?

0% of Dunlap Dd's catalogued wells are active, 29 percentage points below the national share of 29%. 67% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.

What kinds of wells does Dunlap Dd 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 Swanson 1 in Blaine, MT at 3,749 ft. The wells listed below sit in Blaine (MT), Fergus (MT) and Uintah (UT). 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 Dunlap Dd

Wells operated by Dunlap Dd
WellAPI # / state IDStatusTypeLocationOperatorDepth
Swanson 125-005-60006Plugged & abandonedOther typeBlaine, MTDunlap, D.D.3,749 ft
Hughes 125-027-05032Other statusOther typeFergus, MTDunlap, D.D.1,400 ft
Govt 143-047-10332Plugged & abandonedOther typeUintah, UTDunlap, D D—

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

Frequently asked questions

How many wells does Dunlap Dd operate?

Dunlap Dd 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 Dunlap Dd's wells are still active?

0 of Dunlap Dd's catalogued wells are active; 2 are plugged & abandoned.

In which states does Dunlap Dd operate wells?

Dunlap Dd is the operator of record for wells in Montana (2) and Utah (1).

Does Dunlap Dd operate mostly oil or gas wells?

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

What is Dunlap Dd's deepest well?

Among wells with a published depth, Swanson 1 in Blaine, MT is the deepest at 3,749 ft.

Where Dunlap Dd'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, “Dunlap Dd — well portfolio”, https://wellcensus.com/operators/dunlap-dd-127045 (data as of October 10, 2026).

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