三刀管下扩眼器  three-cutter underreamer

顿钻管下扩眼器  cable tool underreamer

管下扩眼器  underreamer

液压管下扩眼器  hydraulic underreamer

扩眼器刀刃锥度  reaming edge taper

管下扩眼  underream

管下扩眼井段  underreamed zone

管下扩眼偏心钻头  eccentric underreaming bit

套管下扩眼钻头  underreaming bit; SIDEHILL

扩眼刀刃  reaming edge

扩眼器刀翼  reamer blade

领眼扩眼器  pilot reamer

领眼扩眼器体部  pup

一种校直井眼扩眼器  hollow reamer

刀刃刀刃支承  knife edge

滚子式扩管器  roller tube expander

护套扩管器  boot expander

扩管器  tube expander; tube reamer; pipe expander

扩管器滚子  expander roll