JZ type Hydro-mechanical Drilling Jar

JZ type Mechanical Drilling JarThe JZ type full mechanical drilling jar integrates the up jarring with the down jarring.The load scope of the up jarring and down jar is so side that it can be adjusted in maintenance station or in site according to the requirement the special flexible extended shaft can cut down the flexural stress of the jar body efficiently .so its the first selected drilling jar for vertical well ,deep well ,complicated well and directional well opertations.For more details and more products, please feel free to contact us.