CPC Subgroup
E21B 23/03 for setting the tools into, or removing the tools from, laterally offset landing nipples or pockets
Full Title
Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells (setting of casings, screens or liners E21B43/10) > for setting the tools into, or removing the tools from, laterally offset landing nipples or pockets