Koplin Harry
Operator of record for 6 catalogued wells across 2 states. Every well below links to its full registry page.
Filed as: KOPLIN HARRY · KOPLIN, HARRY
At a glance
Koplin Harry is the operator of record for 6 catalogued U.S. oil & gas wells in 2 states. 1 (17%) are active, 1 (17%) plugged & abandoned. Its largest concentration is in Kentucky, with 4 wells (67% of its portfolio).
Wells operated
6
Active
1
Plugged
1
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Kentucky | 4 |
| Michigan | 2 |
Well mix
- Oil wells
- 1
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 17%
Is this your company?
Claim Koplin Harry to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Koplin Harry operate?
Koplin Harry's catalogued wells are spread across 2 states: Kentucky (4) and Michigan (2). Its 2 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 Koplin Harry’s wells are active, plugged or orphaned?
17% of Koplin Harry's catalogued wells are active, 12 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 Koplin Harry operate?
By product class, 1 (17%) 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 Wark, Katherine Estate 1 in Tuscola, MI at 3,545 ft. The wells listed below sit in Tuscola (MI), Huron (MI), Henderson (KY), Lee (KY) and Powell (KY). State filings spell the name 2 ways; WellCensus merges exact-normalized spellings only, so subsidiaries and affiliates keep their own pages.
Notable wells operated by Koplin Harry
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Wark, Katherine Estate 1 | 21-157-16374 | Other status | Other type | Tuscola, MI | Koplin Harry | 3,545 ft |
| Watchowski, Valentine 1 | 21-063-16421 | Other status | Other type | Huron, MI | Koplin Harry | 3,000 ft |
| Dempewolf, C A 1 | 16-101-05613 | Plugged & abandoned | Other type | Henderson, KY | Koplin, Harry | 2,260 ft |
| Moore, E S W-1 | KGS record 2043336 | Other status | Other type | Lee, KY | Koplin, Harry | 1,190 ft |
| Drake, P Y 5 | KGS record 83711 | Active | Oil | Powell, KY | Koplin, Harry | — |
| Moore, E S 17 | KGS record 3004442 | Other status | Other type | Lee, KY | Koplin, Harry | — |
Deepest first where depth is published. See all 6 wells →
Frequently asked questions
How many wells does Koplin Harry operate?
Koplin Harry is the operator of record for 6 catalogued oil & gas wells, with the largest concentration in Kentucky (4). Only wells in states WellCensus has ingested are counted.
How many of Koplin Harry's wells are still active?
1 of Koplin Harry's catalogued wells are active; 1 are plugged & abandoned.
In which states does Koplin Harry operate wells?
Koplin Harry is the operator of record for wells in Kentucky (4) and Michigan (2).
Does Koplin Harry operate mostly oil or gas wells?
1 of Koplin Harry's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Koplin Harry's deepest well?
Among wells with a published depth, Wark, Katherine Estate 1 in Tuscola, MI is the deepest at 3,545 ft.
Where Koplin Harry'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, “Koplin Harry — well portfolio”, https://wellcensus.com/operators/koplin-harry-109522 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).