for locking the tools or the like in landing nipples or in recesses between adjacent sections of tubing

Full Title

Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells > for locking the tools or the like in landing nipples or in recesses between adjacent sections of tubing

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