Shaeffer 1
Status not reported Oil well
| API number | 12-081-01096 |
|---|---|
| Operator | Dunnill, John E. |
| County | Jefferson, Illinois |
| Permitted | 1957-07-11 |
| Completed | 1957-07-24 |
| Depth | 2,952 ft |
| Surface location | 38.438524, -88.807699 · wells within 1 mile |
| State record | Illinois State Geological Survey ↗ |
| Data as of | 2026-10-17 |
From Illinois State Geological Survey public records. Verify with the state before relying on this information.