Jem Oil
Operator of record for 14 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Jem Oil is the operator of record for 14 catalogued U.S. oil & gas wells in 1 state. None is listed as active, 14 (100%) are plugged & abandoned. Its largest concentration is in Illinois, with 14 wells (100% of its portfolio).
Wells operated
14
Active
0
Plugged
14
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Illinois | 14 |
Well mix
- Oil wells
- 3
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 0%
Is this your company?
Claim Jem Oil to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Jem Oil operate?
Jem Oil's catalogued wells are spread across 1 state: Illinois (14). Its 14 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 Jem Oil’s wells are active, plugged or orphaned?
0% of Jem Oil'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 Jem Oil operate?
By product class, 3 (21%) 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 Trucotte 1 in Clay, IL at 3,350 ft. The wells listed below sit in Clay (IL), Effingham (IL), Fayette (IL), Marion (IL) and Washington (IL).
Notable wells operated by Jem Oil
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Trucotte 1 | 12-025-26631 | Plugged & abandoned | Other type | Clay, IL | JEM Oil Company | 3,350 ft |
| Donsbach 1 | 12-049-23105 | Plugged & abandoned | Other type | Effingham, IL | JEM Oil Company | 3,266 ft |
| Lash, Keith 1 | 12-051-25673 | Plugged & abandoned | Other type | Fayette, IL | JEM Oil Company | 3,256 ft |
| Ahlf, Sam 1 | 12-121-26602 | Plugged & abandoned | Other type | Marion, IL | JEM Oil Company | 3,131 ft |
| Meyer, Aloys 1 | 12-049-23081 | Plugged & abandoned | Other type | Effingham, IL | JEM Oil Company | 3,050 ft |
| Ort, Dora 1 | 12-049-23086 | Plugged & abandoned | Other type | Effingham, IL | JEM Oil Company | 3,000 ft |
| Bauer 1 | 12-025-26767 | Plugged & abandoned | Other type | Clay, IL | JEM Oil Company | 2,850 ft |
| Reinkensmeyer 1 | 12-189-23811 | Plugged & abandoned | Other type | Washington, IL | JEM Oil Company | 2,830 ft |
| Salzman 1 | 12-051-25744 | Plugged & abandoned | Other type | Fayette, IL | JEM Oil Company | 2,800 ft |
| Stabenow, Dale 1 | 12-025-26869 | Plugged & abandoned | Other type | Clay, IL | JEM Oil Company | 2,600 ft |
| Harville 1-WIW | 12-051-25502 | Plugged & abandoned | Injection | Fayette, IL | JEM Oil Company | 2,530 ft |
| Crain, M. Community 1 | 12-051-25649 | Plugged & abandoned | Oil | Fayette, IL | JEM Oil Company | 2,530 ft |
Deepest first where depth is published. See all 14 wells →
Frequently asked questions
How many wells does Jem Oil operate?
Jem Oil is the operator of record for 14 catalogued oil & gas wells, with the largest concentration in Illinois (14). Only wells in states WellCensus has ingested are counted.
How many of Jem Oil's wells are still active?
0 of Jem Oil's catalogued wells are active; 14 are plugged & abandoned.
In which states does Jem Oil operate wells?
Jem Oil is the operator of record for wells in Illinois (14).
Does Jem Oil operate mostly oil or gas wells?
3 of Jem Oil's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Jem Oil's deepest well?
Among wells with a published depth, Trucotte 1 in Clay, IL is the deepest at 3,350 ft.
Where Jem Oil'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, “Jem Oil — well portfolio”, https://wellcensus.com/operators/jem-oil-94032 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).