Diamond Reaming Shells are important tools to be used together with bits.The main functions are maintaining bore hole gage, improving drill string stability and protecting lower drill string from excessive wear.
Helical typr reaming shell provides a good passage foe drilling fluides. The matrix id wear-proof and the 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 |
Special Gauge for Processing Thread: