Duff 1
Status not reported Oil well
| API number | 12-025-27413 |
|---|---|
| Operator | H & L Oil Co. |
| County | Clay, Illinois |
| Permitted | 1984-08-02 |
| Completed | 1984-09-25 |
| Depth | 2,992 ft |
| Surface location | 38.699220, -88.330552 · 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.