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AJ Type Safety Joint

AJ Type Safety Joint

AJ Type Safety Joint

AJ type safety joint is a specialized joint consisting of two parts.The specialized joint takes protective effect for drilling stem in drilling ,repairing and test oil (gas)engineering,etc.It is used to treat well bottom accident and used to be on -the -way test in drilling and coring operation. It is connected to the required position of drilling stem to protect drilling stem without any influence on the normal working of drilling tool.

Specifications – AJ Type Safety Joint

Model

O.D.  (mm)

I.D. (mm)

ThreadConn

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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