Expandable roller reamer

Details Expandable roller reamer Expandable roller reamer

E - Fixed Constructions

21

B

E21B 10/34 (2006.01) E21B 7/28 (2006.01)

Patent

CA 2642416

An expandable downhole tool for use in a drilling assembly positioned within a wellbore includes a tool body having an axial flowbore extending therethrough and a moveable arm. The moveable arm includes a roller structure including cutters and rotatably mounted on the moveable arm. The moveable arm is configured to move outwardly in response to actuation of the expandable downhole tool.

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