Kloss Delmar O
Operator of record for 19 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Kloss Delmar O is the operator of record for 19 catalogued U.S. oil & gas wells in 1 state. 5 (26%) are active, 10 (53%) plugged & abandoned. Its largest concentration is in Illinois, with 19 wells (100% of its portfolio).
Wells operated
19
Active
5
Plugged
10
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Illinois | 19 |
Well mix
- Oil wells
- 14
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 26%
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Claim your operator profileWhere does Kloss Delmar O operate?
Kloss Delmar O's catalogued wells are spread across 1 state: Illinois (19). Its 19 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 Kloss Delmar O’s wells are active, plugged or orphaned?
26% of Kloss Delmar O's catalogued wells are active, 3 percentage points below the national share of 29%. 53% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Kloss Delmar O operate?
By product class, 14 (74%) 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 Mason et al Unit 1 in Edwards, IL at 3,183 ft. The wells listed below sit in Edwards (IL) and Jasper (IL).
Notable wells operated by Kloss Delmar O
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Mason et al Unit 1 | 12-047-23804 | Plugged & abandoned | Other type | Edwards, IL | Kloss, Delmar O. | 3,183 ft |
| Jones, W. J. & Iva 2-A | 12-079-24149 | Plugged & abandoned | Oil | Jasper, IL | Kloss, Delmar O. | 2,809 ft |
| Fisher 1-M | 12-079-23965 | Plugged & abandoned | Other type | Jasper, IL | Kloss, Delmar O. | 2,458 ft |
| Fischer, T. Comm. 2 | 12-079-24112 | Other status | Oil | Jasper, IL | Kloss, Delmar O. | 1,944 ft |
| Fischer 7 | 12-079-24052 | Active | Oil | Jasper, IL | Kloss, Delmar O. | 1,880 ft |
| Fischer 6 | 12-079-24042 | Active | Oil | Jasper, IL | Kloss, Delmar O. | 1,857 ft |
| Ault, Joe 1 | 12-079-24079 | Other status | Oil | Jasper, IL | Kloss, Delmar O. | 1,855 ft |
| Fischer 5 | 12-079-23952 | Active | Oil | Jasper, IL | Kloss, Delmar O. | 1,846 ft |
| Fischer-Spencer Comm. 2 | 12-079-24090 | Plugged & abandoned | Other type | Jasper, IL | Kloss, Delmar O. | 1,834 ft |
| Ault, Joe 2-A | 12-079-24110 | Other status | Oil | Jasper, IL | Kloss, Delmar O. | 1,830 ft |
| Fischer, Wilma 4 | 12-079-23936 | Active | Oil | Jasper, IL | Kloss, Delmar O. | 1,825 ft |
| Fischer, W. 3 | 12-079-23800 | Plugged & abandoned | Oil | Jasper, IL | Kloss, Delmar O. | 1,805 ft |
Deepest first where depth is published. See all 19 wells →
Frequently asked questions
How many wells does Kloss Delmar O operate?
Kloss Delmar O is the operator of record for 19 catalogued oil & gas wells, with the largest concentration in Illinois (19). Only wells in states WellCensus has ingested are counted.
How many of Kloss Delmar O's wells are still active?
5 of Kloss Delmar O's catalogued wells are active; 10 are plugged & abandoned.
In which states does Kloss Delmar O operate wells?
Kloss Delmar O is the operator of record for wells in Illinois (19).
Does Kloss Delmar O operate mostly oil or gas wells?
14 of Kloss Delmar O's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Kloss Delmar O's deepest well?
Among wells with a published depth, Mason et al Unit 1 in Edwards, IL is the deepest at 3,183 ft.
Where Kloss Delmar O'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, “Kloss Delmar O — well portfolio”, https://wellcensus.com/operators/kloss-delmar-o-66760 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).