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product name: AJ Type Safety Joint
Description:  AJ Type Safety Joint is an essential safety tool for connecting the pipes in the well. The body adopts wide buttress thread or special trapezoidal thread connection, which is used to drill, fish, wash well, workover and test operation, etc. It is used to treat well accident and used to be mid-way test of drilling and coring. It is connected to the drilling stem needed position to protect drilling stem and have not an effect on drilling tool. Once down hole tool is strike, it can be withdrawn and disassembled drilling stem above stuck point with the help of safety joint. When drilling again, it can be connected.

Model AJ safety joint has two kinds of right-hand thread and left-hand thread. Other parts and specifications of two kinds of safety joints are the same expect screw rotary direction opposition.

   Specification
 
Specification of AJ Type Safety Joint
 
Type
O.D(mm)
I.D(mm)
Connection
AJ-C86
86
38
NC26
AJ-C95
95
44
NC26
AJ-C105
105
51
NC31、2 7/8NU、2 7/8EUE
AJ-C121
121
57
NC38
AJ-C159
159
71.4
NC46、NC50
AJ-C165
165
71.4
NC50
AJ-C178
178
71.4
NC50、5 1/2FH
AJ-C203
203
76
6 5/8REG
AJ-C228
228
76
7 5/8REG
 
 
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