Patent ID: 9593539
Date: 2017-03-14
CPC Classifications: B23P,E21B,Y10T

Claim:
1. A method of forming a downhole tool, comprising: forming a recess extending into a body of a downhole tool in a bottom surface of a fluid course defined by a first blade and a second adjacent blade of the downhole tool, wherein the bottom surface of the fluid course is between a leading surface of the first blade and a trailing surface of the second blade; and attaching an anti-balling insert at least partially within the recess, the anti-balling insert including an insert body and a coating disposed on an outer surface of the insert body, the insert body comprising an anti-balling material having a composition for reducing accumulation of formation cuttings thereon when the downhole tool is used to form or service a wellbore, the coating comprising diamond or diamond-like carbon.