Cofsco
Operator of record for 27 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Cofsco is the operator of record for 27 catalogued U.S. oil & gas wells in 1 state. None is listed as active, 27 (100%) are plugged & abandoned. Its largest concentration is in Ohio, with 27 wells (100% of its portfolio).
Wells operated
27
Active
0
Plugged
27
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Ohio | 27 |
Well mix
- Oil wells
- 27
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 0%
Is this your company?
Claim Cofsco to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Cofsco operate?
Cofsco's catalogued wells are spread across 1 state: Ohio (27). Its 27 Ohio wells are 0.0% of the 242,052 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 Cofsco’s wells are active, plugged or orphaned?
0% of Cofsco's catalogued wells are active, 29 percentage points below the national share of 29%. 100% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Cofsco operate?
By product class, 27 (100%) 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 Karlen Walter Unit 1 in Columbiana, OH at 5,321 ft. The wells listed below sit in Columbiana (OH), Portage (OH), Stark (OH) and Coshocton (OH).
Notable wells operated by Cofsco
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Karlen Walter Unit 1 | 34-029-20565 | Plugged & abandoned | Oil | Columbiana, OH | Cofsco Inc | 5,321 ft |
| Flintkote Company 4 | 34-133-22526 | Plugged & abandoned | Oil | Portage, OH | Cofsco Inc | 4,520 ft |
| Kurz 1 | 34-133-22512 | Plugged & abandoned | Oil | Portage, OH | Cofsco Inc | 4,499 ft |
| Manor Real Estate Co& Flintkote Corp 2 | 34-133-20650 | Plugged & abandoned | Oil | Portage, OH | Cofsco Inc | 4,486 ft |
| Flintkote Co 1 | 34-133-20601 | Plugged & abandoned | Oil | Portage, OH | Cofsco Inc | 4,474 ft |
| Flintkote Corporation & Manor Real Estate Co 3 | 34-133-22249 | Plugged & abandoned | Oil | Portage, OH | Cofsco Inc | 4,450 ft |
| Smith Wp 2 | 34-151-22712 | Plugged & abandoned | Oil | Stark, OH | Cofsco Inc | 4,397 ft |
| Bowman Dorothy 1 | 34-151-22747 | Plugged & abandoned | Oil | Stark, OH | Cofsco Inc | 4,370 ft |
| Starner John R 1 | 34-031-24381 | Plugged & abandoned | Oil | Coshocton, OH | Cofsco Inc | 3,800 ft |
| Williamson Robert A 1a | 34-031-23251 | Plugged & abandoned | Oil | Coshocton, OH | Cofsco Inc | 3,772 ft |
| Williamson Robert A 6a | 34-031-23975 | Plugged & abandoned | Oil | Coshocton, OH | Cofsco Inc | 3,700 ft |
| Williamson Orlow & Wallace Etal 2b | 34-031-23192 | Plugged & abandoned | Oil | Coshocton, OH | Cofsco Inc | 3,700 ft |
Deepest first where depth is published. See all 27 wells →
Frequently asked questions
How many wells does Cofsco operate?
Cofsco is the operator of record for 27 catalogued oil & gas wells, with the largest concentration in Ohio (27). Only wells in states WellCensus has ingested are counted.
How many of Cofsco's wells are still active?
0 of Cofsco's catalogued wells are active; 27 are plugged & abandoned.
In which states does Cofsco operate wells?
Cofsco is the operator of record for wells in Ohio (27).
Does Cofsco operate mostly oil or gas wells?
27 of Cofsco's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Cofsco's deepest well?
Among wells with a published depth, Karlen Walter Unit 1 in Columbiana, OH is the deepest at 5,321 ft.
Where Cofsco'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, “Cofsco — well portfolio”, https://wellcensus.com/operators/cofsco-76618 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).