Cassens George
Operator of record for 54 catalogued wells across 1 state. Every well below links to its full registry page.
Filed as: Cassens George · Cassens, George
At a glance
Cassens George is the operator of record for 54 catalogued U.S. oil & gas wells in 1 state. None is listed as active, 53 (98%) are plugged & abandoned. Its largest concentration is in Illinois, with 54 wells (100% of its portfolio).
Wells operated
54
Active
0
Plugged
53
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Illinois | 54 |
Well mix
- Oil wells
- 4
- Gas wells
- 0
- Shut-in
- 1
- Active share
- 0%
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Claim your operator profileWhere does Cassens George operate?
Cassens George's catalogued wells are spread across 1 state: Illinois (54). Its 54 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 Cassens George’s wells are active, plugged or orphaned?
0% of Cassens George's catalogued wells are active, 29 percentage points below the national share of 29%. 98% are plugged & abandoned, against 47% nationally. 1 wells (2%) are shut-in — unplugged but idle. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Cassens George operate?
By product class, 4 (7%) 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 Holtman 1 in Madison, IL at 1,802 ft. 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 Cassens George
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Holtman 1 | 12-119-01354 | Plugged & abandoned | Oil | Madison, IL | Cassens George | 1,802 ft |
| Trampe-Hess Community 1 | 12-119-01348 | Plugged & abandoned | Other type | Madison, IL | Cassens George | 1,796 ft |
| Klenke 1 | 12-119-00875 | Plugged & abandoned | Other type | Madison, IL | Cassens George | 1,784 ft |
| Schuetz 1 | 12-119-00874 | Plugged & abandoned | Other type | Madison, IL | Cassens George | 1,773 ft |
| Poos, Fred 1 | 12-119-01516 | Plugged & abandoned | Other type | Madison, IL | Cassens George | 1,767 ft |
| Linenbroker 1 | 12-119-02053 | Plugged & abandoned | Other type | Madison, IL | Cassens George | 1,750 ft |
| Cassens 2 | 12-119-01041 | Plugged & abandoned | Other type | Madison, IL | Cassens George | 1,740 ft |
| Cassens, Louise 1 | 12-119-01573 | Plugged & abandoned | Other type | Madison, IL | Cassens George | 1,721 ft |
| Cassens 1 | 12-119-00802 | Plugged & abandoned | Other type | Madison, IL | Cassens George | 1,709 ft |
| Cassens 2-A | 12-119-01070 | Plugged & abandoned | Other type | Madison, IL | Cassens George | 1,704 ft |
| Bode, Wm. 1 | 12-119-01518 | Plugged & abandoned | Other type | Madison, IL | Cassens George | 1,685 ft |
| Cassens, George 1 | 12-119-00932 | Plugged & abandoned | Other type | Madison, IL | Cassens George | 1,661 ft |
Deepest first where depth is published. See all 54 wells →
Frequently asked questions
How many wells does Cassens George operate?
Cassens George is the operator of record for 54 catalogued oil & gas wells, with the largest concentration in Illinois (54). Only wells in states WellCensus has ingested are counted.
How many of Cassens George's wells are still active?
0 of Cassens George's catalogued wells are active; 53 are plugged & abandoned.
In which states does Cassens George operate wells?
Cassens George is the operator of record for wells in Illinois (54).
Does Cassens George operate mostly oil or gas wells?
4 of Cassens George's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Cassens George's deepest well?
Among wells with a published depth, Holtman 1 in Madison, IL is the deepest at 1,802 ft.
Where Cassens George'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, “Cassens George — well portfolio”, https://wellcensus.com/operators/cassens-george-91228 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).