Super Fishing Jar
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The CSJ type super fishing jar is a drill rig fishing tool which features a large jarring force compared to other jars with similar specifications. The fishing jar has a closed structure with reliable performance and is easy to adjust during operation. This type of jarring tool has been used for oilfields and geological exploration.
Specifications| Parameter/ Type | | | | |||
| OD(mm) | 203 | 178 | 165 | 160 | 121 | 114 |
| ID(mm) | 71 | 60 | 57 | 57 | 45 | 38 |
| Pull down overall length(mm) | 4430 | 4430 | 4410 | 4410 | 4065 | 4065 |
| stroke(mm) | 330 | 320 | 320 | 320 | 305 | 305 |
| thread conn. | 6 5/8REG | NC50 | NC50 | NC50 | NC38 | NC31 |
| Max. tensile load(kN) | 1870 | 1570 | 1370 | 1270 | 980 | 780 |
| Max. tension downhole(kN) | 800 | 800 | 750 | 700 | 400 | 340 |
| sealing pressure(MPa) | 20 | 20 | 20 | 20 | 20 | 20 |
| Highest working pressure (℃) | 150 | 150 | 150 | 150 | 150 | 150 |
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