group nameDrilling Stem Tools
Min Order1 piece
modelReversing Sub
update timeThu, 21 Jul 2011 14:19:52 GMT
Min Order1 piece
Reversing Sub
Reversing Sub is also called reversing spear which is a special tool for revering stuck drill stem above stuck point 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 tool can be tripped out.
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