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Harper 6-21 Clarkson
Plugged Injection well
| API number | 40-063-20435-0100 |
|---|---|
| Permit number | 1605 |
| Operator | Citation Oil and Gas Corp. |
| County | Harding, South Dakota |
| Field | Buffalo |
| Permitted | 1996-10-21 |
| Spudded | 1996-11-22 |
| Completed | 1996-12-28 |
| Plugged | 2024-08-15 |
| Depth | 9,621 ft |
| Surface location | 45.772951, -103.761709 · 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.