Specifications

mechanical-hydraulic drilling jar:
It integrates the up jarring with the down jarring

mechanical-hydraulic drilling jar

 

Model JYQ mechanical-hydraulic drilling jar is a jarring and stuck releasing tool. It integrates the up jar and down jar and can release the stuck accident occurring during drilling operation. The drill jar is an ideal tool for directional well and deep well drilling.

 

Model	O.D. mm	I.D.mm	Connection api	Upward jarring stoke mm	Working torque kn·m	Max.tensile load MN	Max.up jar load MN	Max.down jar load MN
JYQ121	124	51.4	NC38	227	13	1.4	490	270
JYQ159	162	57.2	NC46	230	15	2.2	600	360
JYQ165	168	57.2	NC46	230	15	2.2	600	360
JYQ203	203	71.4	6 5/8REG	232	20	2.5	820	460