Patent ID: 9284786
Filing Date: 2016-03-15
CPC Classification: E21B

Claim Text:
1. A downhole cutting tool for drilling a borehole in an earthen formation, the tool comprising: a tool body having a tool axis and a direction of rotation about the tool axis; at least three blades attached to the tool body, the at least three blades having a leading face facing the direction of rotation of the tool body about the tool axis, a trailing face facing away from the direction of rotation of the tool body about the tool axis, and a formation facing surface extending between the leading face and the trailing face; and a plurality of cutting elements disposed on the at least three blades, each cutting element having a radial distance from the tool axis, wherein a first blade, at its leading face, comprises, between first and second radially adjacent cutting elements on the first blade, a raised depth of cut feature for a third cutting element on a second blade and a fourth cutting element on a third blade, the third and fourth cutting elements being at radial distances from the tool axis intermediate the radial distances from the tool axis of the radially adjacent first and second cutting elements, the raised depth of cut feature comprising a first apex corresponding to the third cutting element and a second apex corresponding to the fourth cutting element.