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Specifications
1.ZJS type jar intensifier2.A down hole fishing jar designed to increase jarring energy to up jar
Usage:
ZJS type jar intensifier is a down hole fishing jar designed to increase jarring energy to up jar. Therefore, it must run in conjunction with CSJ type super jar or YSJ type hydraulic up jar.
Function:
Its function is mainly 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.
Detail Specification:
Technical specification and parameters for ZJS type Jar Intensifier | |||||||
Type | ZJS108 | ZJS114 | ZJS121 | ZJS146 | ZJS159 | ZJS178 | ZJS203 |
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 | 3340 | 3340 | 4000 | 4500 | 4000 | 4010 |
stroke(mm) | 330 | 250 | 250 | 330 | 330 | 310 | 330 |
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 | 60-65 | 75-85 | 62-670 |
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