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Madison Coal "B" 4
Status not reported Oil well
| API number | 12-199-02220 |
|---|---|
| Operator | Phillips Petroleum Co. |
| County | Williamson, Illinois |
| Permitted | 1962-09-10 |
| Completed | 1962-10-21 |
| Depth | 2,869 ft |
| Surface location | 37.830133, -88.867807 · 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.