
Introduction:
The is a mechanical downhole jar used for fishing operations, capable of performing downward jarring only. its working chamber is filled with wear-resistant hydraulic oil. The tool is simple to operate, delivers powerful and stable impact force, and offers a long working stroke that can be customized. It enables rapid and effective resolution of stuck pipe incidents, such as drill string jamming or obstruction, during fishing and coring operations.
Features and Benefits:
★ Purely mechanical downward jarring for powerful impact and quick freeing of stuck pipe.
★ Long and customizable working stroke for diverse operational needs.
★ Wear-resistant hydraulic oil-filled chamber for stable and durable performance.
O.D. mm | I.D. mm | Connection | Max working Load kN | Tensie Yield kN | Max.Working Torque kN·m | Torsional Yield kN·m | Stroke mm | Length mm |
73 | 20 | 2 3/8TBG | 300 | 500 | 2.6 | 4.5 | 268 | 2105 |
89 | 28 | NC26 | 450 | 750 | 3.5 | 7 | 268 | 2105 |
95 | 32 | NC26 | 600 | 1000 | 4 | 8 | 266 | 2103 |
105 | 32 | NC31 | 1362 | 2044 | 11.5 | 20 | 400 | 2685 |
108 | 32 | NC31 | 767 | 1151 | 5 | 20 | 268 | 2105 |
114 | 38 | 2 7/8REG | 1243 | 1866 | 13 | 25 | 268 | 2100 |
121 | 38 | NC38 | 1100 | 1950 | 13 | 27 | 405 | 2690 |
159 | 50 | NC50 | 1600 | 2700 | 25 | 65 | 466 | 3229 |
178 | 70 | NC50 | 2400 | 4650 | 30 | 80 | 470 | 3422 |
203 | 78 | 6 5/8REG | 2800 | 4896 | 35 | 145 | 462 | 3414 |