Double-way Shock Absorbers
Double-way Shock Absorbers
Double-way Shock Absorbers is a kind of double-way shock absorbing tool which is used to simultaneously slow down or eliminate the vertically or horizontally shock from drill string. It can reduce the damage due to shocking to drill bit, drilling tool and surface drilling tool so that the purpose of raising drilling speed and of reducing drilling cost shall be reached.
Type
|
O.D.
mm
|
I.D.
mm
|
Connection
mm
|
Max. Jarring Force
mm
|
Max. Stroke
mm
|
Closed OAL
mm
|
DJ178-Ⅰ
|
178
|
48
|
NC50
|
750
|
1200
|
3020
|
DJ178-Ⅱ
|
178
|
57.2
|
NC50
|
800
|
1000
|
4200
|
|
 |
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