100% Original Transmission Line - SJY Double-Acting Mechanical-Hydraulic Drilling Jar – LUQI
100% Original Transmission Line - SJY Double-Acting Mechanical-Hydraulic Drilling Jar – LUQI Detail:
SJY double-acting mechanical-hydraulic drilling jar integrates upward jarring with downward jarring hydraulic drilling jar with mechanical interlocking. It can suit for all kinds of drilling operations, and landing into the well with drilling tools assembly when used. When the drilling tools are stuck, it can make drilling jar generate upward or downward jarring force through lifting and landing the drill strings, so it can release resistance and the stick by many time jarring, and recover normal drilling operation promptly. If adjust the release force, it can be adjusted any time on the spot.
We produce H2S resistance Jars, which adopt high quality import sulfur-resistance material.
Model |
OD mm(in) |
ID mm(in) |
Conn. API |
Max. Tensile Load (KN) |
Max. Upward Jarring Force (KN) |
Max. Downward Jarring Force (KN) |
Full Open Length (mm) |
SJY121 |
121(4 3/4) |
44.5(1 3/4) |
NC38 |
350 |
350 |
180 |
8950 |
SJY165 |
165(6 1/2) |
57(2 1/4) |
NC50 |
700 |
700 |
350 |
9260 |
SJY203 |
203(8) |
70(2 3/4) |
6 5/8REG |
1000 |
1000 |
500 |
9786 |
Product detail pictures:



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Dependable good quality and very good credit score standing are our principles, which will help us at a top-ranking position. Adhering towards the tenet of "quality initial, shopper supreme" for 100% Original Transmission Line - SJY Double-Acting Mechanical-Hydraulic Drilling Jar – LUQI , The product will supply to all over the world, such as: Czech Republic, Chile, America, Our products are widely recognized and trusted by users and can meet continuously developing economic and social needs. We welcome new and old customers from all walks of life to contact us for future business relationships and achieving mutual success!

We have been engaged in this industry for many years, we appreciate the work attitude and production capacity of the company, this is a reputable and professional manufacturer.
