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:
Feb. 24, 2015
Filed:
Aug. 31, 2011
Applicants:
Wolfgang E. Herberg, Niedersachsen, DE;
Matthias Meister, Niedersachsen, DE;
Inventors:
Wolfgang E. Herberg, Niedersachsen, DE;
Matthias Meister, Niedersachsen, DE;
Assignee:
Baker Hughes Incorporated, Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 7/00 (2006.01); E21B 47/12 (2012.01); E21B 7/06 (2006.01); E21B 10/26 (2006.01);
U.S. Cl.
CPC ...
E21B 47/12 (2013.01); E21B 7/06 (2013.01); E21B 7/064 (2013.01); E21B 7/067 (2013.01); E21B 10/26 (2013.01);
Abstract
A drill bit is disclosed. The drill bit includes a center member configured to rotate at a first speed and an outer member disposed outside the center member, wherein the outer member is configured to rotate at a second speed. The drill bit also includes a first cutter disposed on the center member and a second cutter disposed on the outer member, wherein the first speed and second speeds are configured to control a resultant side force of the drill bit.