Cutting structures for fixed cutter drill bit and other downhole cutting tools

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9404312
APP PUB NO 20120234610A1
SERIAL NO

13370862

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Abstract

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A downhole cutting tool may include a tool body; a plurality of blades extending azimuthally from the tool body; and a plurality of cutting elements disposed on the plurality of blades, the plurality of cutting elements comprising: at least two conical cutting elements comprising a substrate and a diamond layer having a conical cutting end, wherein at least one of the at least two conical cutting elements has a positive back rake angle, and at least one of the at least two conical cutting elements has a negative back rake angle.

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Patent Owner(s)

Patent OwnerAddress
SMITH INTERNATIONAL INC1310 RANKIN RD HOUSTON TX 77073

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Azar, Michael G The Woodlands, US 46 996
Durairajan, Bala Houston, US 36 882
Keshavan, Madapusi K The Woodlands, US 126 6012

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