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. 15, 2017
Filed:
Aug. 15, 2014
Applicant:
Swellfix B.v., Rijswijk, NL;
Inventors:
Graeme McRobb, Altens, GB;
John Dewar, Edinburgh, GB;
Assignee:
SWELLFIX B.V., Rijswijk, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 33/12 (2006.01); E21B 33/127 (2006.01);
U.S. Cl.
CPC ...
E21B 33/12 (2013.01); E21B 33/1208 (2013.01); E21B 33/1277 (2013.01); Y10S 277/934 (2013.01);
Abstract
A downhole sealing assembly comprises a sleeve adapted to be mounted on a tubular body disposable within a bore, the sleeve () including a swellable material and defining a sealing arrangement comprising inner and outer seals. Swelling of the material radially extends the inner seal into contact with the tubular body and extends the outer seal into contact with the bore.