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WellCensus

Pennant Drilling

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

Filed as: PENNANT DRILLING CO INC · Pennant Drilling Co.

At a glance

Pennant Drilling is the operator of record for 2 catalogued U.S. oil & gas wells in 2 states. None is listed as active, 2 (100%) are plugged & abandoned. Its largest concentration is in Colorado, with 1 wells (50% of its portfolio).

Wells operated

2

Active

0

Plugged

2

Orphaned

0

Portfolio by state

StateWells
Colorado1
Montana1

Well mix

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

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Where does Pennant Drilling operate?

Pennant Drilling's catalogued wells are spread across 2 states: Colorado (1) and Montana (1). Its 1 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 Pennant Drilling’s wells are active, plugged or orphaned?

0% of Pennant Drilling'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 Pennant Drilling 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 N P Forney 1 in Rosebud, MT at 5,740 ft. The wells listed below sit in Rosebud (MT) and Logan (CO). 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 Pennant Drilling

Wells operated by Pennant Drilling
WellAPI # / state IDStatusTypeLocationOperatorDepth
N P Forney 125-087-05394Plugged & abandonedOther typeRosebud, MTPennant Drilling Co.5,740 ft
1 Frew05-075-06210Plugged & abandonedOther typeLogan, COPennant Drilling Co Inc4,300 ft

Deepest first where depth is published. See all 2 wells →

Frequently asked questions

How many wells does Pennant Drilling operate?

Pennant Drilling is the operator of record for 2 catalogued oil & gas wells, with the largest concentration in Colorado (1). Only wells in states WellCensus has ingested are counted.

How many of Pennant Drilling's wells are still active?

0 of Pennant Drilling's catalogued wells are active; 2 are plugged & abandoned.

In which states does Pennant Drilling operate wells?

Pennant Drilling is the operator of record for wells in Colorado (1) and Montana (1).

Does Pennant Drilling operate mostly oil or gas wells?

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

What is Pennant Drilling's deepest well?

Among wells with a published depth, N P Forney 1 in Rosebud, MT is the deepest at 5,740 ft.

Where Pennant Drilling'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, “Pennant Drilling — well portfolio”, https://wellcensus.com/operators/pennant-drilling-11602 (data as of October 10, 2026).

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