Specifications

API 7-1 JS Type Mechanical Fishing Jar
API Connection
Size 6 1/4" & 7"
Used in fishing operation

API 7-1 JS Type Mechanical Fishing Jar 

 

The mechanical fishing jar type JS is a up jarring tool that is installed close to the fish in the fishing operation. The down hole jarring blow is adjustable without any rig floor adjustments necessary prior to the run. The tool can work in high temperature or high pressure deep well , even if the seals are damaged, it can still continue to work.

 

 

Specification Series and Performance Parameters

Type	O.D. mm (in)	I.D. mm (in)	Connection API	Max.Tensile Load MN (Lbf)	Max. Working Torque kN·m (Lbf.m)	Working Stroke mm (in)	Overall Length (Locked) mm (in)
JS159	159 (6 1/4)	60 (2.36)	NC50	1.47 (331)	13 (2925)	181~185 (7.1~7.3)	2 391 (94)
JS70	178 (7)	75 (2.95)	51/2FH	1.76 (396)	15 (3375)	181~185 (7.1~7.3)	2 331 (91 4/5)