Phone: +968 24877093 Email ID: sales@opalbluetrading.com
Phone: +968 24877093 Email ID: sales@opalbluetrading.com
> > > > ZSJ/ZXJ Hydraulic & Mechanical two-piece Drilling Jar
Product Code : ZSJ/ZXJ Hydraulic & Mechanical two-piece Drilling Jar
Description
The drilling jar which is connected with drill tool and worked with drill string is a downhole
stuck freeing tool in drilling operation .It is a first selected tool for directional
well,complicated well and deep well.The drilling jar is consisting of ZSJ type drilling up jar
and ZXJ type drilling down jar,both they can be used mutually or operated separately .The
up jarring section takes use of hydraulic mechanism,the jarring force can be adjusted
according to up elevating load but can not exceed the max.load for tool load rated. The
down jarring section takes use of mechanical friction mechanism, the jarring force is well
preadjusted by adjusting device before put into downhole.No re-adjustment can be
allowed after jar is put into downhole.
According to their principle is divided into mechanical, hydraulic and hydro-mechanical
type; according to the functions can be divided into drilling up jar, drilling down jar and
drilling integrated jars type.