Jefco Oil
Operator of record for 1 catalogued wells across 1 state. Every well below links to its full registry page.
Wells operated
1
Active
1
Plugged
0
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Illinois | 1 |
Well mix
- Oil wells
- 1
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 100%
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Claim your operator profileNotable wells operated by Jefco Oil
| Well | API # | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Clark 1 | 12-081-24571 | Active | Oil | Jefferson, IL | Jefco Oil Co., Inc. | 3,275 ft |
Deepest first where depth is published; find any well via search.
Frequently asked questions
How many wells does Jefco Oil operate?
Jefco Oil is the operator of record for 1 catalogued oil & gas wells, with the largest concentration in Illinois (1). Only wells in states WellCensus has ingested are counted.
How many of Jefco Oil's wells are still active?
1 of Jefco Oil's catalogued wells are active; 0 are plugged & abandoned.
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).