IPC Subgroup
E21B 23/03 for setting the tools into, or removing the tools from, laterally offset landing nipples or pockets
Introduced: January 1980
Last revised: January 2006
Full Title
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
Classification Context
- Section:
- FIXED CONSTRUCTIONS
- Class:
- EARTH OR ROCK DRILLING; MINING
- Subclass:
- EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS