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. 10, 2011
Applicants:
Tu Tien Trinh, Houston, TX (US);
Eric Sullivan, Houston, TX (US);
Inventors:
Tu Tien Trinh, Houston, TX (US);
Eric Sullivan, Houston, TX (US);
Assignee:
Baker Hughes Incorporated, Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 47/18 (2012.01); E21B 10/00 (2006.01); E21B 41/02 (2006.01); E21B 10/08 (2006.01); E21B 17/00 (2006.01);
U.S. Cl.
CPC ...
E21B 41/02 (2013.01); E21B 10/00 (2013.01); E21B 10/08 (2013.01); E21B 17/003 (2013.01); Y10S 166/902 (2013.01);
Abstract
In one aspect, an apparatus for use in a wellbore is provided that in one embodiment includes a drill bit having a bit body that is susceptible to corrosion when the drill bit is utilized in wellbore, an anode placed at a selected location on the bit body, a cathode associated with the bit body and a power source configured to provide electrical power to the anode to complete an electrical circuit between the anode and the bit body, wherein the supply of the electrical power to the anode arrests corrosion of the bit body when the drill bit is in the wellbore.