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The pre-existence of Tianhe Petroleum Machinery Joint-Stock Co., Ltd
The pre-existence of Tianhe Petroleum Machinery Joint-Stock Co., Ltd > Product Catalog > ZJS Type Jar Extensifler
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The pre-existence of Tianhe Petroleum Machinery Joint-Stock Co., Ltd

City : Mudanjiang

Province/State : Heilongjiang

Country/Region : China

Telephone: 86-0453-6524597

 

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ZJS Type Jar Extensifler

ZJS Type Jar Extensifler

ZJS Type Jar Extensifler

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Detailed Product Description

ZJS type jar extensifier is a downhole fishing jar designed to increase jaring force to up jar. Therefore ,it must be run in conjunction with CSJ type super or YSJ type hydraulic up jar. It is to supply acceleration to the uper end of the jar during the free jarring stroke.
 
Type
Parameter
ZSJ114B
 
ZYSJ121B
 
ZSJ146B
 
ZSJ159B
ZSJ178B
 
ZSJ178B
 
O.D. (mm)
114
121
146
159
178
203
I.D. (mm)
38
38
51
57
57
71
Overlength after pull
3340
3340
4000
4500
4000
4010
Stroke(mm)
250
250
330
330
310
330
Tensile load (KN),downhole
800
900
1200
1500
1800
2200
Max.work torque   
4.9
7.8
15
 
19.6
23..5
Threads API
NC31
NC38
NC40
Nc50
NC50
65/8”REG
Sealing pressure
20
20
20
 
20
20

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