O'Neill 3-6
Active Oil well
| API number | 25-087-21386 |
|---|---|
| Operator | Cline Production Company |
| County | Rosebud, Montana |
| Field | Sumatra |
| Completed | 1978-11-26 |
| Depth | 5,015 ft |
| Surface location | 46.676217, -107.648212 · wells within 1 mile |
| State record | Montana Board of Oil and Gas Conservation ↗ |
| Data as of | 2026-10-19 |
From Montana Board of Oil and Gas Conservation public records. Verify with the state before relying on this information.