Duncan, Mack 1
Status not reported Oil well
| API number | 12-081-23964 |
|---|---|
| Operator | General Energy Producers, Inc. |
| County | Jefferson, Illinois |
| Permitted | 1982-12-21 |
| Completed | 1983-06-21 |
| Depth | 4,070 ft |
| Surface location | 38.134661, -88.825982 · 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.