Hannover American
Operator of record for 3 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Hannover American is the operator of record for 3 catalogued U.S. oil & gas wells in 1 state. None is listed as active, 3 (100%) are plugged & abandoned. Its largest concentration is in Illinois, with 3 wells (100% of its portfolio).
Wells operated
3
Active
0
Plugged
3
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Illinois | 3 |
Well mix
- Oil wells
- 2
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 0%
Is this your company?
Claim Hannover American to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Hannover American operate?
Hannover American's catalogued wells are spread across 1 state: Illinois (3). Its 3 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 Hannover American’s wells are active, plugged or orphaned?
0% of Hannover American'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 Hannover American operate?
By product class, 2 (67%) 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 Cooley, Ervin H. & Gladys 1 in Crawford, IL at 1,404 ft. The wells listed below sit in Crawford (IL) and Adams (IL).
Notable wells operated by Hannover American
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Cooley, Ervin H. & Gladys 1 | 12-033-31308 | Plugged & abandoned | Oil | Crawford, IL | Hannover American, Inc. | 1,404 ft |
| Cooley, E. H. 2 | 12-033-31351 | Plugged & abandoned | Oil | Crawford, IL | Hannover American, Inc. | 957 ft |
| Richmiller, M. 1 | 12-001-22025 | Plugged & abandoned | Other type | Adams, IL | Hannover American, Inc. | 854 ft |
Deepest first where depth is published. See all 3 wells →
Frequently asked questions
How many wells does Hannover American operate?
Hannover American is the operator of record for 3 catalogued oil & gas wells, with the largest concentration in Illinois (3). Only wells in states WellCensus has ingested are counted.
How many of Hannover American's wells are still active?
0 of Hannover American's catalogued wells are active; 3 are plugged & abandoned.
In which states does Hannover American operate wells?
Hannover American is the operator of record for wells in Illinois (3).
Does Hannover American operate mostly oil or gas wells?
2 of Hannover American's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Hannover American's deepest well?
Among wells with a published depth, Cooley, Ervin H. & Gladys 1 in Crawford, IL is the deepest at 1,404 ft.
Where Hannover American'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, “Hannover American — well portfolio”, https://wellcensus.com/operators/hannover-american-91083 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).