DIFF Subgroup
E21B 23/03 for setting the tools into, or removing the tools from, laterally offset landing nipples or pockets
Introduced: January 1980
Full Title
Full titles differ between systems:
IPC:
Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells > for setting the tools into, or removing the tools from, laterally offset landing nipples or pockets
CPC:
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
No child classifications to compare. This is a leaf node in both IPC and CPC.