Hartley 1-B
Status not reported Oil well
| API number | 12-025-25849 |
|---|---|
| Operator | Crest Oil Co., Inc. |
| County | Clay, Illinois |
| Permitted | 1978-08-22 |
| Completed | 1978-11-09 |
| Depth | 3,544 ft |
| Surface location | 38.700223, -88.312116 · 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.