IPC Subgroup
E21B 23/08 Introducing or running tools by fluid pressure, e.g. through-the-flow-line tool systems
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 > Introducing or running tools by fluid pressure, e.g. through-the-flow-line tool systems
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
2 direct subcodes
Child Classifications
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- E21B 23/1 Tools specially adapted therefor
- E21B 23/12 Tool diverters