group nameDownhole Tools
Min Order1 piece
modelJSZ
update timeMon, 08 Apr 2013 00:27:03 GMT
Processing Type Casting
Machine Type Drilling Equipment
Type drilling jar
Use Well Drilling
Certification API
Material alloy steel
Min Order1 piece
hydraulic drilling jar
1.It belongs to the integral drilling jar. Up jar is designed on hydromechanical principle and has different tonnages by changing the raising speed.
2.The action of down jarring is just as a free falling body and the jarring impact is based on the drilling tool’s weight above the drilling jar.
Model | O.D. mm | I.D.mm | Connection api | Closed overall length mm | Working torque kn·m | Max.tensile load MN | Max. jar load MN |
JSZ121 | 121 | 50 | NC38 | 5757 | 13 | 1400 | 300 |
JSZ159 | 159 | 57 | NC50 | 6435 | 15 | 2000 | 700 |
JSZ178 | 178 | 60 | NC50 | 6425 | 15 | 2000 | 700 |
JSZ203 | 203 | 70 | 6 5/8REG | 6646 | 18 | 2300 | 800 |
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