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:
Aug. 11, 2020
Filed:
Apr. 25, 2017
Applicants:
Ping Duan, Cypress, TX (US);
Anil Sadana, Houston, TX (US);
Wayne Furlan, Cypress, TX (US);
Inventors:
Assignee:
BAKER HUGHES, A GE COMPANY, LLC, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 33/12 (2006.01); E21B 23/06 (2006.01); E21B 23/00 (2006.01);
U.S. Cl.
CPC ...
E21B 33/1208 (2013.01); E21B 23/06 (2013.01); E21B 23/00 (2013.01);
Abstract
A sealing system for a flow channel includes a mandrel, a swellable element disposed about the mandrel, and a degradable polymeric element disposed on a surface of the swellable element and configured to delay swelling of the swellable element. The degradable polymeric element comprises one or more of the following: polyurethane; cured cyanate ester; an epoxy; polyimide; unsaturated polyester; or nylon.