On demand actuation system

Details On demand actuation system On demand actuation system

E - Fixed Constructions

21

B

E21B 10/32 (2006.01) E21B 10/60 (2006.01)

Patent

CA 2671235

A downhole tool includes a tubular body having an upper connection and a lower connection and an axial borehole therethrough, wherein the upper and lower connections are configured to connect to a drilling assembly, at least one expandable component coupled to the tubular body and configured to selectively extend radially therefrom, and an actuation mechanism configured to selectively extend the at least one component in response to a change in a circulating fluid pressure in the axial borehole.

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