Patent ID: 9217295
Filing Date: 2015-12-22
Classification: E21B

Abstract:
1. An earth-boring tool, comprising at least one cutting element secured to a blade or roller cone of the earth-boring tool, wherein the at least one cutting element is secured at least partially within the blade or roller cone, the at least one cutting element having a substantially planar cutting face and a cylindrical arcuate side surface, the cylindrical arcuate side surface having substantially the same diameter as the substantially planar cutting face, the cylindrical arcuate side surface including a plurality of grading features, each grading feature of the plurality of grading features located a different known distance from an initial working surface of the at least one cutting element relative to the other grading features of the plurality of grading features, wherein the plurality of grading features comprises a plurality of substantially parallel grooves oriented substantially concentric with a longitudinal axis of the at least one cutting element, each of the grooves of the plurality of grooves separated from at least one adjacent groove along the longitudinal axis.