QYZ Type Hydraulic Drilling Jar
QYZ hydraulic drilling jar integrates upward jarring with downward jarring, It is a hydraulic type drilling jar .which is used in all kinds of well condtition, it generates up and down jarring force by lifting and releasing drill stems when the drilling tools were stuck and make sure drilling operation can go smoothly.
QYZ hydraulic drilling jar integrates upward jarring with downward jarring, It is a hydraulic type drilling jar .which is used in all kinds of well condtition, it generates up and down jarring force by lifting and releasing drill stems when the drilling tools were stuck and make sure drilling operation can go smoothly. This type drilling jar has some advantages like easy operation stable property safety and reliability maintenance etc.
We produce H2S resistance Jars, which adopt high quality import sulfur-resistance material.
|
Model
|
OD
mm(inch)
|
ID
mm(inch)
|
Open full
stroke
mm（inch）
|
connection
API
|
Max. working
load
KN
|
Max. tensile
load
KN
|
Max. working
torque
KN·m
|
|
QYZ121
|
121(4-3/4)
|
57(2-1/4)
|
635(25)
|
NC38
|
350
|
1364
|
18
|
|
QYZ165
|
165(6-1/2)
|
69(2-23/32)
|
635(25)
|
NC50
|
770
|
2668
|
55
|
|
QYZ203
|
203(8)
|
76(3)
|
635(25)
|
6 5/8REG
|
1300
|
4700
|
106
|
