Products > Drilling Equipment

Drilling Accelerator Type ZJQ


Product Number: KW-DE-26 It can be stored energy by hydraulic spring as to increase the jarring force for Hydraulic Jar.


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KINGWELL Drilling Accelerator Type ZJQ
 
Model “ZJQ” Drilling Accelerator can be stored energy by hydraulic spring as to increase the jarring force for Hydraulic Jar. It should be applied with Hydraulic Drilling Jar Type QYⅡ jointly. The drill collar and Hydraulic Jar (below the Drill Accelerator ) can function an accelerated effect when jarring operates as for making the stuck point gain more jarring force that can increase force for two times at the highest. Meanwhile, it can decrease the bounce-back shock after jarring as to protect the drill tools above Drill Accelerator.



KINGWELL Drilling Accelerator Type ZJQ Technical Data:

Model O.D.
mm(in)
I.D.
mm(in)
Connection
API
Max.
Stroke
mm
Tension
of full
Stroke
kN (lbf)
Hole Seal
Pressure
Mpa(psi)
Max
Working
Load
kN(lbf)
Max Torque
kN﹒m(lbf·ft)
Length
mm(in)
ZJQ46 121
(4-3/4)
50.8
(2)
NC38 350
(13-3/4)
350
(78700)
30 1100
(247000)
15
(11000)
7430
(292-1/2)
ZJQ62 159
(6-1/4)
57.2
(2-1/4)
NC50 350
(13-3/4)
700
(157400)
30 1900
(420000)
25
(18400)
7780
(306-1/4)
ZJQ64 165
(6-1/2)
57.2
(2-1/4)
NC50 350
(13-3/4)
700
(157400)
30 2000
(449600)
25
(18400)
7780
(306-1/4)
ZJQ76 197
(7-3/4)
61.9
(2-7/16)
6 5/8REG 350
(13-3/4)
1000
(224800)
30 2600
(584500)
30
(22120)
7630
(300-3/8)
ZJQ80 203
(8)
76.2
(3)
6 5/8REG 350
(13-3/4)
1000
(224800)
30 3000
(674400)
45
(33200)
7752
(305-3/16)
ZJQ95 241
(9-1/2)
76.2
(3)
7 5/8REG 350
(13-3/4)
1200
(270000)
30 4000
(900000)
60
(44200)
6752
(265-
13/16)
 
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