Pennwalt
Operator of record for 34 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Pennwalt is the operator of record for 34 catalogued U.S. oil & gas wells in 1 state. None is listed as active, 28 (82%) are plugged & abandoned. Its largest concentration is in Michigan, with 34 wells (100% of its portfolio).
Wells operated
34
Active
0
Plugged
28
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Michigan | 34 |
Well mix
- Oil wells
- 0
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 0%
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Claim your operator profileWhere does Pennwalt operate?
Pennwalt's catalogued wells are spread across 1 state: Michigan (34). Its 34 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 Pennwalt’s wells are active, plugged or orphaned?
0% of Pennwalt's catalogued wells are active, 29 percentage points below the national share of 29%. 82% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Pennwalt 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 Pennwalt East Plant 14 in Wayne, MI at 3,368 ft.
Notable wells operated by Pennwalt
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Pennwalt East Plant 14 | 21-163-61190 | Plugged & abandoned | Other type | Wayne, MI | Pennwalt Corp | 3,368 ft |
| Pennwalt 33 | 21-163-00257 | Plugged & abandoned | Other type | Wayne, MI | Pennwalt Corp | 1,315 ft |
| Pennwalt 23 | 21-163-00280 | Plugged & abandoned | Other type | Wayne, MI | Pennwalt Corp | 1,314 ft |
| Pennwalt 34 | 21-163-00258 | Plugged & abandoned | Other type | Wayne, MI | Pennwalt Corp | 1,312 ft |
| Pennwalt 31 | 21-163-00012 | Plugged & abandoned | Other type | Wayne, MI | Pennwalt Corp | 1,302 ft |
| Pennwalt 27 | 21-163-00284 | Plugged & abandoned | Other type | Wayne, MI | Pennwalt Corp | 1,302 ft |
| Pennwalt 30 | 21-163-00011 | Plugged & abandoned | Other type | Wayne, MI | Pennwalt Corp | 1,301 ft |
| Pennwalt 25 | 21-163-00282 | Plugged & abandoned | Other type | Wayne, MI | Pennwalt Corp | 1,300 ft |
| Pennwalt 28 | 21-163-00285 | Plugged & abandoned | Other type | Wayne, MI | Pennwalt Corp | 1,299 ft |
| Pennwalt 6 | 21-163-00048 | Plugged & abandoned | Other type | Wayne, MI | Pennwalt Corp | 1,296 ft |
| Pennwalt 29 | 21-163-00010 | Plugged & abandoned | Other type | Wayne, MI | Pennwalt Corp | 1,295 ft |
| Pennwalt 32 | 21-163-00013 | Plugged & abandoned | Other type | Wayne, MI | Pennwalt Corp | 1,295 ft |
Deepest first where depth is published. See all 34 wells →
Frequently asked questions
How many wells does Pennwalt operate?
Pennwalt is the operator of record for 34 catalogued oil & gas wells, with the largest concentration in Michigan (34). Only wells in states WellCensus has ingested are counted.
How many of Pennwalt's wells are still active?
0 of Pennwalt's catalogued wells are active; 28 are plugged & abandoned.
In which states does Pennwalt operate wells?
Pennwalt is the operator of record for wells in Michigan (34).
Does Pennwalt operate mostly oil or gas wells?
0 of Pennwalt's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Pennwalt's deepest well?
Among wells with a published depth, Pennwalt East Plant 14 in Wayne, MI is the deepest at 3,368 ft.
Where Pennwalt'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, “Pennwalt — well portfolio”, https://wellcensus.com/operators/pennwalt-136396 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).