Jenneman & Schwartz
Operator of record for 5 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Jenneman & Schwartz is the operator of record for 5 catalogued U.S. oil & gas wells in 1 state. 2 (40%) are active, 3 (60%) plugged & abandoned. Its largest concentration is in Illinois, with 5 wells (100% of its portfolio).
Wells operated
5
Active
2
Plugged
3
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Illinois | 5 |
Well mix
- Oil wells
- 3
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 40%
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Claim Jenneman & Schwartz to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Jenneman & Schwartz operate?
Jenneman & Schwartz's catalogued wells are spread across 1 state: Illinois (5). Its 5 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 Jenneman & Schwartz’s wells are active, plugged or orphaned?
40% of Jenneman & Schwartz's catalogued wells are active, 11 percentage points above the national share of 29%. 60% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Jenneman & Schwartz operate?
By product class, 3 (60%) 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 Maschoff, Ben O. 1 in Clinton, IL at 2,800 ft. The wells listed below sit in Clinton (IL) and Bond (IL).
Notable wells operated by Jenneman & Schwartz
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Maschoff, Ben O. 1 | 12-027-01115 | Plugged & abandoned | Other type | Clinton, IL | Jenneman & Schwartz | 2,800 ft |
| Elam 4 | 12-005-00280 | Plugged & abandoned | Other type | Bond, IL | Jenneman & Schwartz | 2,452 ft |
| Elam, Joel 1 | 12-005-01087 | Active | Oil | Bond, IL | Jenneman & Schwartz | 2,302 ft |
| Elam, Joel 2 | 12-005-01088 | Active | Oil | Bond, IL | Jenneman & Schwartz | 2,276 ft |
| Elam 3 | 12-005-01089 | Plugged & abandoned | Oil | Bond, IL | Jenneman & Schwartz | 2,270 ft |
Deepest first where depth is published. See all 5 wells →
Frequently asked questions
How many wells does Jenneman & Schwartz operate?
Jenneman & Schwartz is the operator of record for 5 catalogued oil & gas wells, with the largest concentration in Illinois (5). Only wells in states WellCensus has ingested are counted.
How many of Jenneman & Schwartz's wells are still active?
2 of Jenneman & Schwartz's catalogued wells are active; 3 are plugged & abandoned.
In which states does Jenneman & Schwartz operate wells?
Jenneman & Schwartz is the operator of record for wells in Illinois (5).
Does Jenneman & Schwartz operate mostly oil or gas wells?
3 of Jenneman & Schwartz's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Jenneman & Schwartz's deepest well?
Among wells with a published depth, Maschoff, Ben O. 1 in Clinton, IL is the deepest at 2,800 ft.
Where Jenneman & Schwartz'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, “Jenneman & Schwartz — well portfolio”, https://wellcensus.com/operators/jenneman-schwartz-91192 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).