Patent ID: 8851206

Claim:
A cutting element for use on a bit for drilling subterranean formations, comprising: a volume of diamond material including: a cutting face having a generally flat central area extending in two dimensions, the generally flat central area located at a non-perpendicular angle with respect to a longitudinal axis of the cutting element; a rear boundary of the diamond material located at a non-perpendicular angle with respect to the longitudinal axis of the cutting element; a cutting edge at a periphery of the cutting face; a base layer of diamond material defined between the cutting edge and the rear boundary of the diamond material; and a rake land extending a distance along the cutting face from the cutting edge to the generally flat central area of the cutting face, the rake land surrounding the flat central area; wherein the generally flat central area located at a non-perpendicular angle with respect to the longitudinal axis of the cutting element provides the cutting element with a rake angle varying between a maximum positive rake and a maximum negative rake with respect to a drill bit depending upon an angular orientation of the cutting element about the longitudinal axis of the cutting element when the cutting element is installed on the drill bit, the rake land extends a greater distance along the cutting face to the generally flat central area from a location of the cutting edge at the maximum positive rake than the distance the rake land extends to the generally flat central area from a location of the cutting edge at the maximum negative rake, and the base layer of diamond material is thicker the longitudinal direction proximate the location of the cutting edge at the maximum positive rake than proximate the location of the cutting edge at the maximum negative rake.