Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells

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

Related Keywords

Child Classifications

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• E21B 23/01 for anchoring the tools or the like
• E21B 23/02 for locking the tools or the like in landing nipples or in recesses between adjacent sections of tubing
• E21B 23/03 for setting the tools into, or removing the tools from, laterally offset landing nipples or pockets
• E21B 23/04 operated by fluid means, e.g. actuated by explosion
• E21B 23/06 for setting packers
• E21B 23/08 Introducing or running tools by fluid pressure, e.g. through-the-flow-line tool systems
• E21B 23/14 for displacing a cable or a cable-operated tool, e.g. for logging or perforating operations in deviated wells