Brown 4
Plugged Unknown well
| API number | 12-081-23942 |
|---|---|
| Operator | Welker Oil Co., Ltd. |
| County | Jefferson, Illinois |
| Permitted | 1982-11-17 |
| Completed | 1982-11-23 |
| Depth | 3,100 ft |
| Surface location | 38.280410, -88.789612 · 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.