Mechanical Hydraulic Drilling Jar

Quick Information Brand Name:Jingmei Place of Origin:China Description Mechanical-Hydraulic Drilling Jar SJY Double-Acting / Mechanical-Hydraulic Drilling Jar 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