AJ Type Safety Joint

Product Details

Product Description

Product Description
Cell/Whatsapp/Wechat: 0086 15145386673
AJ safety joint is one kind of safety back off tool which is connecting with drilling string and all kinds of working string in downhole operation. When sticking in well and need back off, it is easy to back off from connection thread of its body. Pull out drill pipe and tubing above its pin joint. It is easy and reliable to back off or make up again in downhole. During in drilling operation, safety joint works like one drill pipe sub, its ID coincides with connected pipe string, so there is no problem for operation in the bore of pipe string. Safety joint body adopts for special wide saw form connection thread, ingenious tension structure design, when connecting, just need certain torque to connect the whole. Unless given more than 40% opposite, it won't release automatically in downhole working.

type	OD		ID	connection
	mm（inch）		mm（inch）	API
AJ-C89	89（3-1/2）		44(1 47/64)	NC26
AJ-C95	95（3-3/4）		44(1 47/64)	NC26
AJ-C105	105（4-1/8）		50.8(2)	NC31
AJ-C121	121（4-3/4）		62	NC38
AJ-C127	127（5）		62	NC38
AJ-C159	159（6-1/4）		82	NC50
AJ-C165	165（6-1/2）		82	NC50
AJ-C178	178（7）		82	NC50
AJ-C203	203（8）		82	6-5/8REG
AJ-C229	229（9）		88.9(3 1/2)	7-5/8REG

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