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:
Apr. 15, 2014
Filed:
Jul. 10, 2012
Applicants:
Nitin Y. Vaidya, Missouri City, TX (US);
Evgeny Barmatov, Cambridge, GB;
Inventors:
Nitin Y. Vaidya, Missouri City, TX (US);
Evgeny Barmatov, Cambridge, GB;
Assignee:
Schlumberger Technology Corporation, Sugar Land, TX (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B29C 71/02 (2006.01); C08J 5/00 (2006.01); E21B 33/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
A swellable packer including a tubular member and a swellable element. The tubular member is disposable on a mandrel configured to be deployed into a wellbore. The swellable element is disposed around the tubular member, and has segments of different cross link densities, with the segments configured to provide a varying cross link density in the swellable element along a thickness of the swellable element, an azimuth of the swellable element, or both.