Benoist 26
Plugged Oil well
| API number | 12-121-00478 |
|---|---|
| Operator | Southwestern Oil & Gas |
| County | Marion, Illinois |
| Completed | 1940-07-01 |
| Depth | 2,975 ft |
| Surface location | 38.628563, -89.109464 · 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.