Home › South Dakota › Dewey
Herndon1 O'Leary
Plugged Dry hole well
| API number | 40-041-05159 |
|---|---|
| Permit number | 142 |
| Operator | Herndon Drilling Co. |
| County | Dewey, South Dakota |
| Permitted | 1955-08-13 |
| Spudded | 1955-09-04 |
| Plugged | 1955-09-30 |
| Depth | 4,214 ft |
| Surface location | 45.256877, -101.253774 · wells within 1 mile |
| State record | South Dakota Department of Agriculture and Natural Resources, Geological Survey Program ↗ |
| Data as of | 2026-10-01 |
From South Dakota Department of Agriculture and Natural Resources, Geological Survey Program public records. Verify with the state before relying on this information.