Duff 4
Status not reported Oil well
| API number | 12-025-00677 |
|---|---|
| Operator | Smith, N. B. Drlg. Co. |
| County | Clay, Illinois |
| Permitted | 1955-09-30 |
| Completed | 1955-10-25 |
| Depth | 3,013 ft |
| Surface location | 38.697877, -88.342007 · 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.