Cutting elements configured to generate shear lips during use in cutting, earth-boring tools including such cutting elements, and methods of forming and using such cutting elements and earth-boring tools

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United States of America Patent

PATENT NO 9567808
APP PUB NO 20140332274A1
SERIAL NO

14339855

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Importance

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Abstract

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Cutting elements for earth-boring tools may generate a shear lip at a wear scar thereon during cutting. A diamond table may exhibit a relatively high wear resistance, and an edge of the diamond table may be chamfered, the combination of which may result in the formation of a shear lip. Cutting elements may comprise multi-layer diamond tables that result in the formation of a shear lip during cutting. Earth-boring tools include such cutting elements. Methods of forming cutting elements may include selectively designing and configuring the cutting elements to form a shear lip. Methods of cutting a formation using an earth-boring tool include cutting the formation with a cutting element on the tool, and generating a shear lip at a wear scar on the cutting element. The cutting element may be configured such that the shear lip comprises diamond material of the cutting element.

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Patent Owner(s)

Patent OwnerAddress
BAKER HUGHES HOLDINGS LLC17021 ALDINE WESTFIELD HOUSTON TX 77073

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Adia, Moosa Mahomed Benini, ZA 17 269
Liversage, John H Gauteng, ZA 9 258
Lund, Jeffrey B Cottonwood Heights, US 33 1850
Scott, Danny E Montgomery, US 163 5114
Skeem, Marcus R Sandy, US 23 1129

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