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:
Mar. 13, 2018
Filed:
Jun. 06, 2012
Applicants:
Thorsten Schwefe, Virginia Water, GB;
Chad J. Beuershausen, Magnolia, TX (US);
Inventors:
Thorsten Schwefe, Virginia Water, GB;
Chad J. Beuershausen, Magnolia, TX (US);
Assignee:
BAKER HUGHES, A GE COMPANY, LLC, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 44/00 (2006.01); E21B 10/62 (2006.01); E21B 10/42 (2006.01);
U.S. Cl.
CPC ...
E21B 44/005 (2013.01); E21B 10/42 (2013.01); E21B 10/62 (2013.01);
Abstract
A drill bit that includes one or more cutters on a surface thereon configured to penetrate into a formation. The drill bit includes at least one pad at the surface, an actuation device configured to supply a fluid under pressure to the pad to extend the pad from the surface. The drill bit also includes a relief device configured to drain fluid supplied to the pad to reduce the pressure on the at least one pad when the force applied on the at least one pad exceeds a selected limit.