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Lewis Eg Development

Operator of record for 8 catalogued wells across 1 state. Every well below links to its full registry page.

At a glance

Lewis Eg Development is the operator of record for 8 catalogued U.S. oil & gas wells in 1 state. None is listed as active, 7 (88%) are plugged & abandoned. Its largest concentration is in Montana, with 8 wells (100% of its portfolio).

Wells operated

8

Active

0

Plugged

7

Orphaned

0

Portfolio by state

StateWells
Montana8

Well mix

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

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Where does Lewis Eg Development operate?

Lewis Eg Development's catalogued wells are spread across 1 state: Montana (8). Its 8 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 Lewis Eg Development’s wells are active, plugged or orphaned?

0% of Lewis Eg Development's catalogued wells are active, 29 percentage points below the national share of 29%. 88% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.

What kinds of wells does Lewis Eg Development 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 Shawmut 1 in Wheatland, MT at 2,100 ft. The wells listed below sit in Wheatland (MT), Golden Valley (MT), Petroleum (MT) and Fergus (MT).

Notable wells operated by Lewis Eg Development

Wells operated by Lewis Eg Development
WellAPI # / state IDStatusTypeLocationOperatorDepth
Shawmut 125-107-60003Plugged & abandonedOther typeWheatland, MTLewis, E.G. Development Co.2,100 ft
Well 125-037-05016Plugged & abandonedOther typeGolden Valley, MTLewis, E.G. Development Co.2,004 ft
Federal 12-2225-069-60067Other statusOther typePetroleum, MTLewis, E.G. Development Co.1,800 ft
Rowley 125-069-05034Plugged & abandonedOther typePetroleum, MTLewis, E.G. Development Co.1,585 ft
Ashley 125-069-05293Plugged & abandonedOther typePetroleum, MTLewis, E.G. Development Co.1,550 ft
Mercer 125-027-05061Plugged & abandonedOther typeFergus, MTLewis, E.G. Development Co.940 ft
125-037-05050Plugged & abandonedOther typeGolden Valley, MTLewis, E.G. Development Co.445 ft
125-027-05053Plugged & abandonedOther typeFergus, MTLewis, E.G. Development Co.266 ft

Deepest first where depth is published. See all 8 wells →

Frequently asked questions

How many wells does Lewis Eg Development operate?

Lewis Eg Development is the operator of record for 8 catalogued oil & gas wells, with the largest concentration in Montana (8). Only wells in states WellCensus has ingested are counted.

How many of Lewis Eg Development's wells are still active?

0 of Lewis Eg Development's catalogued wells are active; 7 are plugged & abandoned.

In which states does Lewis Eg Development operate wells?

Lewis Eg Development is the operator of record for wells in Montana (8).

Does Lewis Eg Development operate mostly oil or gas wells?

0 of Lewis Eg Development's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.

What is Lewis Eg Development's deepest well?

Among wells with a published depth, Shawmut 1 in Wheatland, MT is the deepest at 2,100 ft.

Where Lewis Eg Development'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, “Lewis Eg Development — well portfolio”, https://wellcensus.com/operators/lewis-eg-development-127056 (data as of October 10, 2026).

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