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DeWerff, John J. 1
Plugged Dry hole well
| API number | 12-135-21827 |
|---|---|
| Operator | Mobil Oil Company |
| County | Montgomery, Illinois |
| Permitted | 1974-07-09 |
| Completed | 1974-07-24 |
| Depth | 2,942 ft |
| Surface location | 39.232610, -89.400163 · 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.