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ZJS Type Jar Intensifier

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product description

The ZJS type jar intensifier is a down hole fishing jar designed to increase jarring energy to up jar .Therefore ,it must be run in conjunction with CSJ type super jar or YSJ type hydraulic up jar .Its function mainly is to supply acceleration to the upper end of the jar during the free jarring stroke .With a special function ,the intensifier is essentially a fluid spring which not only can accelerate the up jarring action but also make the jarring action directly to strike on the fish and reduce damages to the drill tool and fishing tool .

Thechnical specifications and parameters:

Type
mm (in)

ZJS108
(ZJS42)

ZJS114
(ZJS44)

ZJS121
(ZJS46)

ZJS146
(ZJS56)

ZJS159
(ZJS62)

ZJS178
(ZJS70)

ZJS203
(ZJS80)

O.D.(mm)

108

114

121

146

159

178

203

I.D(mm)

32

38

38

51

57

57

70

Overall length of pull down (mm)

4200

3650

3500

4000

4700

3950

3970

stroke(mm)

330

210

230

330

330

310

320

Thread

NC31

NC31

NC38

NC40

NC50

NC50

6 5/8"REG

Max.tensile load downhole (KN)

700

800

900

1200

1500

1800

2200

Sealing pressure Mpa

20

20

20

20

20

20

20

Pull down Full stroke force (tf)

32-38

25-30

30-35

35-40

62-67

75-85

90-100

Corresponding parameter set not found, please add it in property template of background
暂未实现,敬请期待
暂未实现,敬请期待
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