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WellCensus

Shelbourne Oil

Operator of record for 2 catalogued wells across 1 state. Every well below links to its full registry page.

At a glance

Shelbourne Oil is the operator of record for 2 catalogued U.S. oil & gas wells in 1 state. None is listed as active, 2 (100%) are plugged & abandoned. Its largest concentration is in Montana, with 2 wells (100% of its portfolio).

Wells operated

2

Active

0

Plugged

2

Orphaned

0

Portfolio by state

StateWells
Montana2

Well mix

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

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Where does Shelbourne Oil operate?

Shelbourne Oil's catalogued wells are spread across 1 state: Montana (2). 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 (location indexes) and in states without a registry ingest are not yet attributed to any operator.

How many of Shelbourne Oil’s wells are active, plugged or orphaned?

0% of Shelbourne Oil's catalogued wells are active, 30 percentage points below the national share of 30%. 100% are plugged & abandoned, against 48% nationally. None of the wells filed under this name is flagged as orphaned.

What kinds of wells does Shelbourne Oil operate?

By product class, 0 (0%) are oil wells and 0 (0%) gas wells; nationally the shares are 45% and 18%. The deepest of its wells with a published depth is Government 1 in Yellowstone, MT at 2,476 ft.

Notable wells operated by Shelbourne Oil

Wells operated by Shelbourne Oil
WellAPI # / state IDStatusTypeLocationOperatorDepth
Government 125-111-05002Plugged & abandonedOther typeYellowstone, MTShelbourne Oil Co. Inc.2,476 ft
Kelly 225-111-60012Plugged & abandonedOther typeYellowstone, MTShelbourne Oil Co. Inc.1,427 ft

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

Frequently asked questions

How many wells does Shelbourne Oil operate?

Shelbourne Oil is the operator of record for 2 catalogued oil & gas wells, with the largest concentration in Montana (2). Only wells in states WellCensus has ingested are counted.

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

0 of Shelbourne Oil's catalogued wells are active; 2 are plugged & abandoned.

In which states does Shelbourne Oil operate wells?

Shelbourne Oil is the operator of record for wells in Montana (2).

Does Shelbourne Oil operate mostly oil or gas wells?

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

What is Shelbourne Oil's deepest well?

Among wells with a published depth, Government 1 in Yellowstone, MT is the deepest at 2,476 ft.

Where Shelbourne 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 28, 2026 — WellCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.

Cite as: WellCensus, “Shelbourne Oil — well portfolio”, https://wellcensus.com/operators/shelbourne-oil-130318 (data as of October 28, 2026).

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