Specifications

Meet API Spec 8A/8C standard
CE/ISO certificate.
Top quality and best price.
bumper Jar

Super bumper Jar DX

 

1.It is an effective tool for resolving the stuck problem by producing downward jarring impact to the stuck portion.

 

2.It is used to joint at the drilling platform, so the tool has the advantages of powerful jarring force, reliable tonnage-adjusting and convenient utilization. 

 

3.It is especially effective for freeing key-seat and tight-hole tool.

 

 

Type	O.D mm (in.)	I.D. mm (in.)	Connection API	Max tensile load MN (Lbf)	Max jarring load MN (Lbf)	Max stroke mm (in.)	Seal pressure MPa	Overall length mm (in.)
DJ46	121 (43/4)	32 (11/4)	NC38	0.90 (202500)	0.40 (90,000)	1 800 (70.87)	20	3 395 (133.66)
DJ70Ⅱ	178 (7)	50 (115/16)	NC50	1.80 (405000)	0.75 (168,750)	1 222 (48.11)	20	3 030 (119.29)