Best-Selling Friction Disc - SJY Double-Acting Mechanical-Hydraulic Drilling Jar – LUQI
Best-Selling Friction Disc - 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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As a way to provide you advantage and enlarge our organization, we even have inspectors in QC Crew and guarantee you our greatest assistance and product or service for Best-Selling Friction Disc - SJY Double-Acting Mechanical-Hydraulic Drilling Jar – LUQI , The product will supply to all over the world, such as: Florida, Jamaica, Congo, We set "be a creditable practitioner to achieve the continuous development and innovation" as our motto. We would like to share our experience with friends at home and abroad, as a way to create a bigger cake with our joint efforts. We have several experienced R & D persons and we welcome OEM orders.

This is a honest and trustworthy company, technology and equipment are very advanced and the prodduct is very adequate, there is no worry in the suppliment.
