Specifications
mechanical-hydraulic drilling jar:1.It integrates the up jarring with the down jarring
2.Model:JYQ
mechanical-hydraulic drilling jar
Model JYQ mechanical-hydraulic drilling jar is a jarring and stuck releasing tool. It integrates the up jar and down jar and can release the stuck accident occurring during drilling operation. The drill jar is an ideal tool for directional well and deep well drilling.
Model | O.D. mm | I.D.mm | Connection api | Upward jarring stoke mm | Working torque kn·m | Max.tensile load MN | Max.up jar load MN | Max.down jar load MN |
JYQ121 | 124 | 51.4 | NC38 | 227 | 13 | 1.4 | 490 | 270 |
JYQ159 | 162 | 57.2 | NC46 | 230 | 15 | 2.2 | 600 | 360 |
JYQ165 | 168 | 57.2 | NC46 | 230 | 15 | 2.2 | 600 | 360 |
JYQ203 | 203 | 71.4 | 6 5/8REG | 232 | 20 | 2.5 | 820 | 460 |
