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Reversing Sub

Reversing Sub

Reversing Sub

The reversing subs is also called reversing spear which is a special tool for reversing stuck drill stem above stuck point in drilling and work over operation. In treatment of stuck drill stem,it can work as a fishing pin tap in reversing operation,When fish is stuck or can not be reversed in fishing or reversing operation,the fish can be reversed from reversing sub and the fishing drill tool is tripped out.

Specifications – Reversing sub

Model

Tool O.D. (mm)

ThreadConn(LH)

Catch Thread (RH)

DKJ105

105

NC31

NC31

DKJ121

121

NC38

NC38

DKJ165

165

NC50

NC46

DKJ165

165

NC50

NC50

DKJ165

165

NC50

5 1/2 FH

DKJ165

165

NC50

NC56

DKJ178

178

NC50

6 5/8 REG

DKJ203

203

NC50

NC61

DKJ203

203

NC50

7 5/8 REG

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