Product Description
Diamond reaming shells are important tools to be used together with drill bits in core drilling. The main functions are maintaining borehole gage, improving drill string stability, and protecting the lower drill string from excessive wear. Helical-type reaming shells provide a good passage for drilling fluids. The matrix is wear-proof and its service life is long.
Specifications and Categories of Reaming Shells
| Type | Category | Bit Size (mm) |
Reaming Shell | Double-tube Reaming Shell | P56, P59, P75, P76, P91, P110, P130 |
Single-tube Reaming Shell | D56, D59, D75, D76, D91, D110, D130, D150, D171, D223 | |
Wireline Reaming Shell | S56, S59, S75, S95, BC, NC, HC, PC, T2-76, T2-86 |
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