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:
Nov. 18, 2014
Filed:
Jun. 17, 2010
Chaitanya K. Vempati, The Woodlands, TX (US);
Jack Thomas Oldham, Conroe, TX (US);
Edwin R Reek, Muscat, OM;
Danielle M. Fuselier, Spring, TX (US);
Suresh G. Patel, The Woodlands, TX (US);
Robert Laing, Montgomery, TX (US);
Chaitanya K. Vempati, The Woodlands, TX (US);
Jack Thomas Oldham, Conroe, TX (US);
Edwin R Reek, Muscat, OM;
Danielle M. Fuselier, Spring, TX (US);
Suresh G. Patel, The Woodlands, TX (US);
Robert Laing, Montgomery, TX (US);
Baker Hughes Incorporated, Houston, TX (US);
Abstract
A drill bit for drilling subterranean formations comprising a drill bit body including a group of primary cutting elements comprising a first primary cutting element and a second primary cutting element radially spaced apart from each other along a first radial axis. The drill bit body further including a group of backup cutting elements comprising a first backup cutting element in a secondary cutting position relative to the first primary cutting element and a second backup cutting element in secondary cutting positions relative to the second primary cutting element, wherein the first and second backup cutting elements are radially spaced apart from each other along a second radial axis different than the first radial axis and comprise a difference in cutting characteristic relative to each other of one of a backrake angle and a siderake angle.