Skip to content
WellCensus

Mclain Sj

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

At a glance

Mclain Sj is the operator of record for 1 catalogued U.S. oil & gas wells in 1 state. None is listed as active, 0 (0%) are plugged & abandoned. Its largest concentration is in Michigan, with 1 wells (100% of its portfolio).

Wells operated

1

Active

0

Plugged

0

Orphaned

0

Portfolio by state

StateWells
Michigan1

Well mix

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

Is this your company?

Claim Mclain Sj to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.

Claim your operator profile

Where does Mclain Sj operate?

Mclain Sj's catalogued wells are spread across 1 state: Michigan (1). Its 1 Michigan wells are 0.0% of the 85,673 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 Mclain Sj’s wells are active, plugged or orphaned?

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

What kinds of wells does Mclain Sj 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 Block School Coal Test 1 in Tuscola, MI at 400 ft.

Notable wells operated by Mclain Sj

Wells operated by Mclain Sj
WellAPI # / state IDStatusTypeLocationOperatorDepth
Block School Coal Test 121-157-45148Other statusOther typeTuscola, MIMcLain, S. J.400 ft

Deepest first where depth is published. See all 1 wells →

Frequently asked questions

How many wells does Mclain Sj operate?

Mclain Sj is the operator of record for 1 catalogued oil & gas wells, with the largest concentration in Michigan (1). Only wells in states WellCensus has ingested are counted.

How many of Mclain Sj's wells are still active?

0 of Mclain Sj's catalogued wells are active; 0 are plugged & abandoned.

In which states does Mclain Sj operate wells?

Mclain Sj is the operator of record for wells in Michigan (1).

Does Mclain Sj operate mostly oil or gas wells?

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

What is Mclain Sj's deepest well?

Among wells with a published depth, Block School Coal Test 1 in Tuscola, MI is the deepest at 400 ft.

Where Mclain Sj'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, “Mclain Sj — well portfolio”, https://wellcensus.com/operators/mclain-sj-135832 (data as of October 10, 2026).

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