Kalsego Oil
Operator of record for 6 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Kalsego Oil is the operator of record for 6 catalogued U.S. oil & gas wells in 1 state. None is listed as active, 1 (17%) are plugged & abandoned. Its largest concentration is in Michigan, with 6 wells (100% of its portfolio).
Wells operated
6
Active
0
Plugged
1
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Michigan | 6 |
Well mix
- Oil wells
- 0
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 0%
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Claim Kalsego Oil to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Kalsego Oil operate?
Kalsego Oil's catalogued wells are spread across 1 state: Michigan (6). Its 6 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 Kalsego Oil’s wells are active, plugged or orphaned?
0% of Kalsego Oil's catalogued wells are active, 29 percentage points below the national share of 29%. 17% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Kalsego Oil 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 Vanness, Lewis 1 in Allegan, MI at 1,440 ft. The wells listed below sit in Allegan (MI), Van Buren (MI), Kalamazoo (MI), Cass (MI) and Ottawa (MI).
Notable wells operated by Kalsego Oil
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Vanness, Lewis 1 | 21-005-19659 | Other status | Other type | Allegan, MI | Kalsego Oil Co | 1,440 ft |
| Sudeikis, John A 1 | 21-159-21162 | Plugged & abandoned | Other type | Van Buren, MI | Kalsego Oil Co | 1,427 ft |
| Goodwin, Carl & Dessie 1 | 21-005-18858 | Other status | Other type | Allegan, MI | Kalsego Oil Co | 1,426 ft |
| Mesick & Meninga Comm 1 | 21-077-20659 | Other status | Other type | Kalamazoo, MI | Kalsego Oil Co | 1,290 ft |
| Grundy, Clarence 1 | 21-027-23632 | Other status | Other type | Cass, MI | Kalsego Oil Co | 764 ft |
| Kimble, Lester Et Al Comm 2 | 21-139-22948 | Other status | Other type | Ottawa, MI | Kalsego Oil Co | — |
Deepest first where depth is published. See all 6 wells →
Frequently asked questions
How many wells does Kalsego Oil operate?
Kalsego Oil is the operator of record for 6 catalogued oil & gas wells, with the largest concentration in Michigan (6). Only wells in states WellCensus has ingested are counted.
How many of Kalsego Oil's wells are still active?
0 of Kalsego Oil's catalogued wells are active; 1 are plugged & abandoned.
In which states does Kalsego Oil operate wells?
Kalsego Oil is the operator of record for wells in Michigan (6).
Does Kalsego Oil operate mostly oil or gas wells?
0 of Kalsego Oil's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Kalsego Oil's deepest well?
Among wells with a published depth, Vanness, Lewis 1 in Allegan, MI is the deepest at 1,440 ft.
Where Kalsego 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 10, 2026 — WellCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.
Cite as: WellCensus, “Kalsego Oil — well portfolio”, https://wellcensus.com/operators/kalsego-oil-115365 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).