Anti-rotation devices for use with well tools

Wells – Pistons – fluid driven into well

Patent

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Details

166156, 166192, E21B 3316

Patent

active

053907361

ABSTRACT:
An anti-rotation device for use in a well tool, for example a top plug or a bottom plug, has a tapered male member having a corrugated outer surface which can enter a corresponding recess in another well tool to inhibit relative rotation therebetween.

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