During drilling process,LB type junk sub is applied mainly for fishing of shivers and fallen objects such as carbide tooth,drill bit and bearing which can be carried out of hole by conventional fluid circulation,etc.It processes important functions to keep hole cleaning,increase bit service life,reduce and prevent drill bit from unexpected damage.The tools are available with all sizes and super performances.

可退式倒扣捞筒

反循环(强磁)打捞篮

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牡丹江石油工具有限责任公司

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