Patent ID: 8590130
Filing Date: 2013-11-26
Classification: B22F,B23P,C22C,E21B,Y10T

Abstract:
1. A method of forming a cutting element comprising: receiving a used cutting element comprising a substrate and a thermally stable polycrystalline diamond (TSP) material layer attached to said substrate, wherein said TSP material layer is a polycrystalline diamond layer with at least a substantial portion of a catalyst in at least a portion of said polycrystalline diamond layer having been removed, wherein a portion of at least one of said TSP material layer and said substrate is worn; removing a section of said TSP material layer and a corresponding section of said substrate including said worn portion to form a new cutting element having at least one of a new dimension and a new shape, wherein removing said section exposes a new surface of said TSP material; and removing at least one of a catalyst and an infiltrant from at least a portion of said new surface.