Longyear Michigan Exploring
Operator of record for 108 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Longyear Michigan Exploring is the operator of record for 108 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 108 wells (100% of its portfolio).
Wells operated
108
Active
0
Plugged
0
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Michigan | 108 |
Well mix
- Oil wells
- 0
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 0%
Is this your company?
Claim Longyear Michigan Exploring to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Longyear Michigan Exploring operate?
Longyear Michigan Exploring's catalogued wells are spread across 1 state: Michigan (108). Its 108 Michigan wells are 0.1% 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 Longyear Michigan Exploring’s wells are active, plugged or orphaned?
0% of Longyear Michigan Exploring'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 Longyear Michigan Exploring 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 Longyear LY301 in Iron, MI at 1,128 ft.
Notable wells operated by Longyear Michigan Exploring
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Longyear LY301 | 21-071-00908 | Other status | Other type | Iron, MI | Longyear Michigan Exploring Company | 1,128 ft |
| Longyear LY302 | 21-071-00909 | Other status | Other type | Iron, MI | Longyear Michigan Exploring Company | 622 ft |
| Mansfield Mine MF12 | 21-071-01769 | Other status | Other type | Iron, MI | Longyear Michigan Exploring Company | 612 ft |
| Mansfield Mine MF7 | 21-071-01764 | Other status | Other type | Iron, MI | Longyear Michigan Exploring Company | 545 ft |
| Mansfield Mine MF2 | 21-071-01759 | Other status | Other type | Iron, MI | Longyear Michigan Exploring Company | 510 ft |
| Mansfield Mine MF1 | 21-071-01758 | Other status | Other type | Iron, MI | Longyear Michigan Exploring Company | 496 ft |
| Mansfield Mine MF10 | 21-071-01767 | Other status | Other type | Iron, MI | Longyear Michigan Exploring Company | 486 ft |
| Mansfield Mine MF8 | 21-071-01765 | Other status | Other type | Iron, MI | Longyear Michigan Exploring Company | 477 ft |
| Mansfield Mine MF3 | 21-071-01760 | Other status | Other type | Iron, MI | Longyear Michigan Exploring Company | 458 ft |
| Longyear LY203 | 21-071-00903 | Other status | Other type | Iron, MI | Longyear Michigan Exploring Company | 432 ft |
| Mansfield Mine MF5 | 21-071-01762 | Other status | Other type | Iron, MI | Longyear Michigan Exploring Company | 424 ft |
| Longyear LY211 | 21-071-00906 | Other status | Other type | Iron, MI | Longyear Michigan Exploring Company | 354 ft |
Deepest first where depth is published. See all 108 wells →
Frequently asked questions
How many wells does Longyear Michigan Exploring operate?
Longyear Michigan Exploring is the operator of record for 108 catalogued oil & gas wells, with the largest concentration in Michigan (108). Only wells in states WellCensus has ingested are counted.
How many of Longyear Michigan Exploring's wells are still active?
0 of Longyear Michigan Exploring's catalogued wells are active; 0 are plugged & abandoned.
In which states does Longyear Michigan Exploring operate wells?
Longyear Michigan Exploring is the operator of record for wells in Michigan (108).
Does Longyear Michigan Exploring operate mostly oil or gas wells?
0 of Longyear Michigan Exploring's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Longyear Michigan Exploring's deepest well?
Among wells with a published depth, Longyear LY301 in Iron, MI is the deepest at 1,128 ft.
Where Longyear Michigan Exploring'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, “Longyear Michigan Exploring — well portfolio”, https://wellcensus.com/operators/longyear-michigan-exploring-123753 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).