Seibel 4
Status not reported Oil well
| API number | 12-121-02829 |
|---|---|
| Operator | Mammoth Producing & Refining Corp. |
| County | Marion, Illinois |
| Completed | 1938-11-30 |
| Depth | 2,119 ft |
| Surface location | 38.534474, -88.998909 · 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.