The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 02, 2016
Filed:
Feb. 10, 2012
Michael G. Azar, The Woodlands, TX (US);
Bala Durairajan, Houston, TX (US);
Madapusi K. Keshavan, The Woodlands, TX (US);
Michael G. Azar, The Woodlands, TX (US);
Bala Durairajan, Houston, TX (US);
Madapusi K. Keshavan, The Woodlands, TX (US);
SMITH INTERNATIONAL, INC, Houston, TX (US);
Abstract
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.