Patent ID: 6202771
Filing Date: 2001-03-20
Classification: E21B

Abstract:
A cutting element for use on a drill bit for drilling a subterranean formation, comprising:a superabrasive table having an imperforate cutting face extending in two dimensions and to be oriented on said drill bit generally transverse to an intended direction of cutting element travel under rotation of said drill bit, said superabrasive table exhibiting an arcuate, peripheral cutting edge between said imperforate cutting face and a side portion of said superabrasive table; andwherein said superabrasive table includes at least one integral, superabrasive projection comprising a substantially triangular shape extending transverse to said imperforate cutting face between a location adjacent said cutting edge and a location adjacent an inner region of said superabrasive table, said at least one integral, superabrasive projection being laterally bounded by two substantially linear side surfaces converging toward said inner region, an arcuate inner boundary surface adjacent said inner region and connecting inner ends of said two substantially linear side surfaces, and a peripherally outer, arcuate base.