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. 23, 2010
Filed:
Oct. 29, 2008
James C. Green, Spring, TX (US);
Michael L. Doster, Spring, TX (US);
Jason E. Hoines, Montgomery, TX (US);
Robert M. Welch, The Woodlands, TX (US);
Danielle V. Roberts, Calgary, CA;
James C. Green, Spring, TX (US);
Michael L. Doster, Spring, TX (US);
Jason E. Hoines, Montgomery, TX (US);
Robert M. Welch, The Woodlands, TX (US);
Danielle V. Roberts, Calgary, CA;
Baker Hughes Incorporated, Houston, TX (US);
Abstract
A drill bit having a bit body includes a blade face surface on at least one blade extending longitudinally and radially outward over a face of the bit body. The blade face surface of the at least one blade includes a contact zone and a sweep zone. The sweep zone rotationally trails the contact zone with respect to a direction of intended bit rotation about a longitudinal axis of the bit body provides reduce rubbing contact when engaging with a subterranean formation.