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WellCensus

Oneok Exploration

Operator of record for 24 catalogued wells across 2 states. Every well below links to its full registry page.

Filed as: ONEOK EXPLORATION COMPANY · Oneok Exploration Company

At a glance

Oneok Exploration is the operator of record for 24 catalogued U.S. oil & gas wells in 2 states. None is listed as active, 24 (100%) are plugged & abandoned. Its largest concentration is in Oklahoma, with 19 wells (79% of its portfolio).

Wells operated

24

Active

0

Plugged

24

Orphaned

0

Portfolio by state

StateWells
Oklahoma19
Montana5

Well mix

Oil wells
1
Gas wells
3
Shut-in
0
Active share
0%

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Where does Oneok Exploration operate?

Oneok Exploration's catalogued wells are spread across 2 states: Oklahoma (19) and Montana (5). Its 5 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 Oneok Exploration’s wells are active, plugged or orphaned?

0% of Oneok Exploration'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 Oneok Exploration operate?

By product class, 1 (4%) are oil wells and 3 (13%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is Matchett 1-28 in Pondera, MT at 7,092 ft. The wells listed below sit in Pondera (MT), Chouteau (MT), Cimarron (OK), Dewey (OK), Ellis (OK) and Harper (OK) and other counties. 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 Oneok Exploration

Wells operated by Oneok Exploration
WellAPI # / state IDStatusTypeLocationOperatorDepth
Matchett 1-2825-073-21567Plugged & abandonedOther typePondera, MTOneok Exploration Company7,092 ft
Pegar 125-015-21424Plugged & abandonedOther typeChouteau, MTOneok Exploration Company2,000 ft
Nepil 225-015-21425Plugged & abandonedOther typeChouteau, MTOneok Exploration Company2,000 ft
Allerdice & Ophus 125-015-21426Plugged & abandonedOther typeChouteau, MTOneok Exploration Company2,000 ft
Nepil 125-015-21423Plugged & abandonedOther typeChouteau, MTOneok Exploration Company2,000 ft
Hinds #1-3335-025-20778Plugged & abandonedOther typeCimarron, OKOneok Exploration Company—
Travelers #1-2335-025-20781Plugged & abandonedOther typeCimarron, OKOneok Exploration Company—
Statex-Hewitt #1-2935-043-20382Plugged & abandonedOther typeDewey, OKOneok Exploration Company—
Hurst #1-935-045-21241Plugged & abandonedGasEllis, OKOneok Exploration Company—
Blasdel #235-059-21045Plugged & abandonedOther typeHarper, OKOneok Exploration Company—
State Of Oklahoma #135-059-21046Plugged & abandonedOther typeHarper, OKOneok Exploration Company—
Greer #235-093-22293Plugged & abandonedOther typeMajor, OKOneok Exploration Company—

Deepest first where depth is published. See all 24 wells →

Frequently asked questions

How many wells does Oneok Exploration operate?

Oneok Exploration is the operator of record for 24 catalogued oil & gas wells, with the largest concentration in Oklahoma (19). Only wells in states WellCensus has ingested are counted.

How many of Oneok Exploration's wells are still active?

0 of Oneok Exploration's catalogued wells are active; 24 are plugged & abandoned.

In which states does Oneok Exploration operate wells?

Oneok Exploration is the operator of record for wells in Oklahoma (19) and Montana (5).

Does Oneok Exploration operate mostly oil or gas wells?

1 of Oneok Exploration's catalogued wells are oil wells and 3 are gas wells; the rest are injection, service or unclassified wells.

What is Oneok Exploration's deepest well?

Among wells with a published depth, Matchett 1-28 in Pondera, MT is the deepest at 7,092 ft.

Where Oneok Exploration'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, “Oneok Exploration — well portfolio”, https://wellcensus.com/operators/oneok-exploration-6380 (data as of October 10, 2026).

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