Hydraulic Drilling Jar

Hydraulic drilling jar integrates upward jarring with downward jarring. It is a hydraulic type drilling jar, which is used in all kinds of well condition, it generates up and down jarring force by lifting and releasing drill stems when the drilling tools were stuck and make sure drilling operation can go smoothly. This type drilling jar has some advantages like easy operation, stable property, safety and reliability maintenance etc.

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Specification

OD mm(inch)	ID mm(inch)	Full Stroke mm(inch)	Conn.	Max. Working Load(KN)	Max. Working Torque KN·m
121(4 314)	57(21/4)	650(25 1/2)	NC38	1100	15
165(6 1/2)	69(2 23/32)	650(25 11/2)	NC50	2000	25
203(8)	76(3)	600 (23 1/2)	6 5/8REG	2800	35