Downhole cutting tool

Details Downhole cutting tool Downhole cutting tool

E - Fixed Constructions

21

B

E21B 10/32 (2006.01) E21B 37/00 (2006.01)

Patent

CA 2085207

A downhole cutting tool for use down along a tubing string consisting of an elongate body member having central cavity and transverse slotway and receiving drilling fluid axially therethrough. An expandable double blade is pivotally housed in the slotway while fluid actuated pistons above and below are effective to expand the blades outboard on each side and to brace the blades in operative position as the body member is rotated and the blades abrade or cut the adjacent material.

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