Koelling Henry 1
Status not reported Oil well
| API number | 12-027-00962 |
|---|---|
| Operator | Ryan & Anderson |
| County | Clinton, Illinois |
| Completed | 1938-08-01 |
| Depth | 1,384 ft |
| Surface location | 38.515629, -89.146095 · 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.