Allen Wo
Operator of record for 31 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Allen Wo is the operator of record for 31 catalogued U.S. oil & gas wells in 1 state. 6 (19%) are active, 23 (74%) plugged & abandoned. Its largest concentration is in Illinois, with 31 wells (100% of its portfolio).
Wells operated
31
Active
6
Plugged
23
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Illinois | 31 |
Well mix
- Oil wells
- 8
- Gas wells
- 7
- Shut-in
- 0
- Active share
- 19%
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Claim your operator profileWhere does Allen Wo operate?
Allen Wo's catalogued wells are spread across 1 state: Illinois (31). Its 31 Illinois wells are 0.0% of the 174,478 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 Allen Wo’s wells are active, plugged or orphaned?
19% of Allen Wo's catalogued wells are active, 9 percentage points below the national share of 29%. 74% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Allen Wo operate?
By product class, 8 (26%) are oil wells and 7 (23%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is Cunningham Emma 1 in Hamilton, IL at 3,564 ft. The wells listed below sit in Hamilton (IL), White (IL), Edwards (IL), Gallatin (IL) and Wayne (IL).
Notable wells operated by Allen Wo
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Cunningham Emma 1 | 12-065-01560 | Plugged & abandoned | Other type | Hamilton, IL | Allen, W. O. | 3,564 ft |
| Files Anna B 1 | 12-193-02225 | Plugged & abandoned | Other type | White, IL | Allen, W. O. | 3,482 ft |
| Zappendorff Emma 1 | 12-193-02226 | Plugged & abandoned | Other type | White, IL | Allen, W. O. | 3,437 ft |
| Vaught 1 | 12-193-02425 | Plugged & abandoned | Other type | White, IL | Allen, W. O. | 3,232 ft |
| Shaw John 1 | 12-047-00706 | Plugged & abandoned | Other type | Edwards, IL | Allen, W. O. | 3,223 ft |
| Williams 1 | 12-193-01248 | Plugged & abandoned | Oil | White, IL | Allen, W. O. | 3,122 ft |
| Wilson, L. 1 | 12-059-00395 | Plugged & abandoned | Other type | Gallatin, IL | Allen, W. O. | 3,012 ft |
| Alderson 1 | 12-191-01722 | Plugged & abandoned | Other type | Wayne, IL | Allen, W. O. | 3,010 ft |
| Ackerman A-3 | 12-193-01408 | Plugged & abandoned | Oil | White, IL | Allen, W. O. | 2,918 ft |
| Murch 1 | 12-193-01413 | Active | Oil | White, IL | Allen, W. O. | 2,913 ft |
| Ackerman 1 | 12-193-00993 | Plugged & abandoned | Oil | White, IL | Allen, W. O. | 2,908 ft |
| Ackerman 1-B | 12-193-01407 | Active | Injection | White, IL | Allen, W. O. | 2,906 ft |
Deepest first where depth is published. See all 31 wells →
Frequently asked questions
How many wells does Allen Wo operate?
Allen Wo is the operator of record for 31 catalogued oil & gas wells, with the largest concentration in Illinois (31). Only wells in states WellCensus has ingested are counted.
How many of Allen Wo's wells are still active?
6 of Allen Wo's catalogued wells are active; 23 are plugged & abandoned.
In which states does Allen Wo operate wells?
Allen Wo is the operator of record for wells in Illinois (31).
Does Allen Wo operate mostly oil or gas wells?
8 of Allen Wo's catalogued wells are oil wells and 7 are gas wells; the rest are injection, service or unclassified wells.
What is Allen Wo's deepest well?
Among wells with a published depth, Cunningham Emma 1 in Hamilton, IL is the deepest at 3,564 ft.
Where Allen Wo'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, “Allen Wo — well portfolio”, https://wellcensus.com/operators/allen-wo-67129 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).