Invention Grant
US08662208B2 Downhole cutting tool, cutting elements and method 有权
井下切削刀具,切削元件及方法

Downhole cutting tool, cutting elements and method
Abstract:
A cutting tool that has a leading or cutting surface that includes affixed thereto a plurality of irregular nine-faced polyhedrons or three-dimensional solid elements with nine faces, wherein each of the nine faces is a polygon and has a predetermined distance from each face to an opposing cutting edge and wherein the predetermined distance from each of the nine faces to its opposing cutting edge is equal for all of each of the nine faces, such that regardless of which of the nine faces is resting on a flat surface, the predetermined distance is the same.
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