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:
Jun. 16, 2015
Filed:
Aug. 05, 2011
Applicants:
Oleg A. Mazyar, Houston, TX (US);
Michael Johnson, Katy, TX (US);
Sean Gaudette, Katy, TX (US);
Inventors:
Assignee:
Baker Hughes Incorporated, Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 29/00 (2006.01); E21B 34/06 (2006.01); E21B 34/14 (2006.01); E21B 33/12 (2006.01); E21B 41/00 (2006.01);
U.S. Cl.
CPC ...
E21B 34/063 (2013.01); E21B 34/14 (2013.01); E21B 33/12 (2013.01); E21B 29/00 (2013.01); E21B 41/00 (2013.01);
Abstract
A method of removing a downhole assembly comprises contacting, in the presence of an electrolyte, a first article comprising a first material and acting as an anode, and a second article comprising a second material having a lower reactivity than the first material and acting as a cathode, the downhole assembly comprising the first article in electrical contact with the second article, wherein at least a portion of the first article is corroded in the electrolyte.