Hydraulic Up Jar
Hydraulic up jar is usedtobe freefromdrillingsticking, throughhydraulicprinciple,by means of elastic potential produced from drill tool elastic deformation.Once the elasticpotential energy is released, it would produce a large up striking load to reach apurpose of fishing and coring.Itfeatureseasystructures,strongjarringforce,easytoreturn,convenientoperation.Ifitis usedwithZJStypejarintensifier,itmaygainbetterjarringeffect.
