Pfizer
Operator of record for 12 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Pfizer is the operator of record for 12 catalogued U.S. oil & gas wells in 1 state. None is listed as active, 9 (75%) are plugged & abandoned. Its largest concentration is in Michigan, with 12 wells (100% of its portfolio).
Wells operated
12
Active
0
Plugged
9
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Michigan | 12 |
Well mix
- Oil wells
- 0
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 0%
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Claim Pfizer to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Pfizer operate?
Pfizer's catalogued wells are spread across 1 state: Michigan (12). Its 12 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 Pfizer’s wells are active, plugged or orphaned?
0% of Pfizer's catalogued wells are active, 29 percentage points below the national share of 29%. 75% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Pfizer 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 Pfizer I-13 in Mackinac, MI at 110 ft.
Notable wells operated by Pfizer
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Pfizer I-13 | 21-097-00269 | Plugged & abandoned | Other type | Mackinac, MI | Pfizer, Incorporated | 110 ft |
| Pfizer I-8 | 21-097-00302 | Other status | Other type | Mackinac, MI | Pfizer, Incorporated | 85 ft |
| Pfizer I-9 | 21-097-00271 | Other status | Other type | Mackinac, MI | Pfizer, Incorporated | 85 ft |
| Pfizer I-7 | 21-097-00287 | Other status | Other type | Mackinac, MI | Pfizer, Incorporated | 85 ft |
| Pfizer IB-6 | 21-097-00277 | Plugged & abandoned | Other type | Mackinac, MI | Pfizer, Incorporated | 70 ft |
| Pfizer IB-4 | 21-097-00279 | Plugged & abandoned | Other type | Mackinac, MI | Pfizer, Incorporated | 63 ft |
| Pfizer IB-5 | 21-097-00278 | Plugged & abandoned | Other type | Mackinac, MI | Pfizer, Incorporated | 63 ft |
| Pfizer IB-3 | 21-097-00280 | Plugged & abandoned | Other type | Mackinac, MI | Pfizer, Incorporated | 45 ft |
| Pfizer I-2 | 21-097-00281 | Plugged & abandoned | Other type | Mackinac, MI | Pfizer, Incorporated | 40 ft |
| Pfizer I-10 | 21-097-00276 | Plugged & abandoned | Other type | Mackinac, MI | Pfizer, Incorporated | — |
| Pfizer I-11 | 21-097-00261 | Plugged & abandoned | Other type | Mackinac, MI | Pfizer, Incorporated | — |
| Pfizer I-12 | 21-097-00274 | Plugged & abandoned | Other type | Mackinac, MI | Pfizer, Incorporated | — |
Deepest first where depth is published. See all 12 wells →
Frequently asked questions
How many wells does Pfizer operate?
Pfizer is the operator of record for 12 catalogued oil & gas wells, with the largest concentration in Michigan (12). Only wells in states WellCensus has ingested are counted.
How many of Pfizer's wells are still active?
0 of Pfizer's catalogued wells are active; 9 are plugged & abandoned.
In which states does Pfizer operate wells?
Pfizer is the operator of record for wells in Michigan (12).
Does Pfizer operate mostly oil or gas wells?
0 of Pfizer's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Pfizer's deepest well?
Among wells with a published depth, Pfizer I-13 in Mackinac, MI is the deepest at 110 ft.
Where Pfizer'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, “Pfizer — well portfolio”, https://wellcensus.com/operators/pfizer-128605 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).