Manker 4
Status not reported Oil well
| API number | 12-025-26319 |
|---|---|
| Operator | Cache River Oil Corp. |
| County | Clay, Illinois |
| Permitted | 1980-11-24 |
| Completed | 1981-04-16 |
| Depth | 3,079 ft |
| Surface location | 38.693832, -88.333973 · 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.