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Cobb 1
Status not reported Oil well
| API number | 12-199-24001 |
|---|---|
| Operator | DeMier Oil Company |
| County | Williamson, Illinois |
| Permitted | 2004-07-01 |
| Completed | 2004-09-28 |
| Depth | 2,700 ft |
| Surface location | 37.838411, -88.903112 · 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.