The drilling jar which is connected with drill tool and worked with drill string is a downhole stuck freeing tool in drilling operation. When drill tools is happened to be stuck in downhole, the stuck drill tool can be released by in time starting the drilling jar to provide continuous up jarring or down Jarring.
It is a desire tools for directional well, complicated well and deep well.
Size: 3 1/8” ~ 9 1/2”
Mechanical drilling jar
Hydraulic-Mechanical drilling jar
Full Hydraulic drilling jar