Heyen 1
Plugged Dry hole well
| API number | 12-117-22812 |
|---|---|
| Operator | Sierra Energy Co. |
| County | Macoupin, Illinois |
| Permitted | 1986-03-18 |
| Completed | 1986-03-20 |
| Depth | 378 ft |
| Surface location | 39.146391, -90.024681 · 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.