| |
 |
Tel : 0453-6187299 0453-6290767/8/9
Fax : 0453-6290767
E-mail : mdjdxjx@163.com |
|
|
 |
|
|
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 Once down hole tool is strike, it can be withdrawn and disassembled drilling stem above stuck point with the help of safety joint.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 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 | |
|
|
|
|
