Cook-Speer 4
Status not reported Oil well
| API number | 12-165-02494 |
|---|---|
| Operator | Duncan, Walter |
| County | Saline, Illinois |
| Permitted | 1955-02-11 |
| Completed | 1955-04-01 |
| Depth | 2,250 ft |
| Surface location | 37.823086, -88.421292 · 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.