US 11,719,050 B2
Cutting elements for earth-boring tools and related earth-boring tools and methods
Steven Craig Russell, Spring, TX (US); and Stephen Duffy, Spring, TX (US)
Assigned to Baker Hughes Oilfield Operations LLC, Houston, TX (US)
Filed by Baker Hughes Oilfield Operations LLC, Houston, TX (US)
Filed on Jun. 16, 2021, as Appl. No. 17/349,661.
Prior Publication US 2022/0403704 A1, Dec. 22, 2022
Int. Cl. E21B 10/43 (2006.01)
CPC E21B 10/43 (2013.01) 18 Claims
OG exemplary drawing
 
16. A method of making a cutting element for an earth-boring tool, comprising:
forming first faceted surfaces in a transition region extending from proximate to a periphery of the cutting element radially inward and axially toward a rotationally leading end of the cutting element and to a cutting edge defined at an intersection of the transition region with a cutting face at the rotationally leading end, a perimeter of the cutting edge defining a polygonal shape, each first faceted surface extending at a first angle relative to a central geometric axis of the cutting element, the rotationally leading end positioned and configured to engage with, and remove, a material of an earth formation, a number of the first faceted surfaces being equal to a number of sides of the polygonal shape; and
forming second faceted surfaces in the transition region, each second faceted surface extending at a second, different angle relative to the central geometric axis of the cutting element, the first faceted surfaces and the second faceted surfaces intersecting one another at edges around a periphery of the transition region, a number of the second faceted surfaces being equal to a number of nodes of the polygonal shape.