Patent ID: 9316058
Filing Date: 2016-04-19
CPC Classification: E21B

Claim Text:
1. A fixed-cutter earth-boring rotary drill bit, comprising: a bit body bearing fixed blades; and cutting elements secured to the fixed blades of the bit body, at least some of the cutting elements comprising: a substrate base comprising a substantially cylindrical outer side surface and a longitudinal axis substantially parallel to the substantially cylindrical outer side surface; and a cutting tip comprising: wherein a width of the longitudinal end of the cutting tip varies along a length of the elongated surface; and wherein at least some of the cutting elements are positioned such that at least one of the first generally conical surface or the second generally conical surface initially engages a formation to be bored with the fixed-cutter earth-boring rotary drill bit by being oriented in a back raked position and each of the first generally flat surface and the second generally flat surface of the cutting tip is configured to stabilize the respective cutting element within at least one groove cut in the formation.