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Integral Mechanical Drilling Jar Type JSZ

Short Description:

Integral Mechanical Drilling Jar Type JSZ    Model “JSZ” Drilling Jar can be actuated by mechanical fully. The inner chamber cannot roduce high-pressure. The change of oiliness cannot impact jarring effect.The short overall length can reduce the harm of bending alternating stress, facilitating the conveyance. It has the low sealing property and reliable using property.It should be used for offshore drilling and directional drilling. Specifications  Model  O.D. mm (in)  I.D. mm (in)  Co...


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Integral Mechanical Drilling Jar Type JSZ   

Model “JSZ” Drilling Jar can be actuated by mechanical fully. The inner chamber cannot roduce high-pressure. The change of oiliness cannot impact jarring effect.The short overall length can reduce the harm of bending alternating stress, facilitating the conveyance. It has the low sealing property and reliable using property.It should be used for offshore drilling and directional drilling.

Specifications

 Model  O.D. mm

(in)

 I.D. mm

(in)

 Connection    Max. Upward Jarring Force

kN(lbf)

 Max. Downward Jarring Force kN(lbf) Max. working Load kN(lbf)  Yield PullkN(lbf) Max.Working Torque kN.m(lbf.ft)  Yield TorquekN.m(lbf.ft)  Length mm

(in)

JSZ46 124(4-7/8) 50.8 (2) NC38 400(90000) 250(56000) 1100(247000) 1600(360000) 15(11000) 27(20000) 3646(143-1/2)
JSZ62 162(6-3/8) 57.2(2-1/4) NC46 600(135000) 360(80000) 1600(360000) 2700(600000) 25(18000) 65(48000) 4150(163-3/8)
JSZ70 178(7) 57.2(2-1/4) NC50 700(160000) 400(90000) 2400(540000) 3400(760000) 30(22000) 80(59000) 4150(163-3/8)
JSZ80 203(8) 76.2(3) 6 5/8REG 820(185000) 460(100000) 2800(630000) 5200(1170000) 35(25800) 145(100000) 4200(165-3/8)

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