Kelly Bar for CMV Drilling Rig
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CMV kelly bars have 3, 4, or 5 telescopic elements, either interlocking or friction types. The drilling depth ranges from 30 to 80m. Each of our kelly bars can match CMV drilling rigs, simply choose the one that most suits your needs. Customers can choose the kelly bar according to rig model or according to specific requirements. Contact us and we will help you choose the right kelly bar for your needs.
We supply kelly bar drive stubs in 130 x 130, 150 x 150, and 200 x 200. Other types can be customized.
Each kelly bar has a damping system consisting of a damping system and rubber ring to reduce the damage from each impacted element.
Weights are not indicated in the data table. For exact details, please contact us directly.
| Rig's Model | Kelly Bar Domination | Number of Tubes | Outer Pipe Length (m) | Drilling Depth (m) | Transportation Length (mm) |
| Interlocking | 4 | 10.5 | 38 | 12 | |
| Friction | 5 | 10.5 | 47.5 | 12 | |
| Interlocking | 4 | 12 | 44 | 13.5 | |
| Friction | 5 | 12 | 55 | 13.5 | |
| Interlocking | 4 | 12 | 44 | 13.5 | |
| Friction | 5 | 12 | 55 | 13.5 | |
| Interlocking | 4 | 13 | 48 | 14.5 | |
| Friction | 5 | 13 | 60 | 14.5 | |
| Interlocking | 4 | 14 | 51.5 | 15.5 | |
| Friction | 5 | 14 | 64.5 | 15.5 | |
| Interlocking | 4 | 17 | 58 | 18.5 | |
| Friction | 5 | 17 | 75 | 18.5 |
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