Eureka Operating
Operator of record for 8 catalogued wells across 2 states. Every well below links to its full registry page.
Filed as: EUREKA OPERATING CO · Eureka Operating Co
At a glance
Eureka Operating is the operator of record for 8 catalogued U.S. oil & gas wells in 2 states. None is listed as active, 6 (75%) are plugged & abandoned. Its largest concentration is in Kentucky, with 6 wells (75% of its portfolio).
Wells operated
8
Active
0
Plugged
6
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Kentucky | 6 |
| Illinois | 2 |
Well mix
- Oil wells
- 0
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 0%
Is this your company?
Claim Eureka Operating to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Eureka Operating operate?
Eureka Operating's catalogued wells are spread across 2 states: Kentucky (6) and Illinois (2). Its 6 Kentucky wells are 0.0% of the 201,022 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 Eureka Operating’s wells are active, plugged or orphaned?
0% of Eureka Operating'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 Eureka Operating 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 Curry 3 in Webster, KY at 2,697 ft. The wells listed below sit in Webster (KY), Wabash (IL) and Lawrence (IL). 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 Eureka Operating
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Curry 3 | 16-233-01755 | Plugged & abandoned | Other type | Webster, KY | Eureka Operating Co | 2,697 ft |
| Stoltz 1 | 12-185-02077 | Plugged & abandoned | Other type | Wabash, IL | Eureka Operating Co | 2,537 ft |
| Cullen, L D Heirs 2 | 16-233-01754 | Plugged & abandoned | Other type | Webster, KY | Eureka Operating Co | 2,245 ft |
| Black, W H 1 | KGS record 54516 | Plugged & abandoned | Other type | Webster, KY | Eureka Operating Co | 2,055 ft |
| Casey Earl Etal 1 | 12-101-00593 | Plugged & abandoned | Other type | Lawrence, IL | Eureka Operating Co | 1,787 ft |
| Black, Thomas H 1a | 16-233-02320 | Plugged & abandoned | Other type | Webster, KY | Eureka Operating Co | 301 ft |
| Black, Thomas H 1 | 16-233-00701 | Other status | Other type | Webster, KY | Eureka Operating Co | — |
| Cullen, L B Heirs 1 | KGS record 2041521 | Other status | Other type | Webster, KY | Eureka Operating Co | — |
Deepest first where depth is published. See all 8 wells →
Frequently asked questions
How many wells does Eureka Operating operate?
Eureka Operating is the operator of record for 8 catalogued oil & gas wells, with the largest concentration in Kentucky (6). Only wells in states WellCensus has ingested are counted.
How many of Eureka Operating's wells are still active?
0 of Eureka Operating's catalogued wells are active; 6 are plugged & abandoned.
In which states does Eureka Operating operate wells?
Eureka Operating is the operator of record for wells in Kentucky (6) and Illinois (2).
Does Eureka Operating operate mostly oil or gas wells?
0 of Eureka Operating's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Eureka Operating's deepest well?
Among wells with a published depth, Curry 3 in Webster, KY is the deepest at 2,697 ft.
Where Eureka Operating'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, “Eureka Operating — well portfolio”, https://wellcensus.com/operators/eureka-operating-103367 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).