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, 2008
Filed:
Feb. 12, 2004
Walter Aldaz, Kuala Lumpur, MY;
Andrew Michael Duggan, Aberdeen, GB;
James Kennon Whanger, Houston, TX (US);
Neil Andrew Abercrombie Simpson, Aberdeen, GB;
Simon John Harrall, Houston, TX (US);
James Oliver, Sugar Land, TX (US);
Walter Aldaz, Kuala Lumpur, MY;
Andrew Michael Duggan, Aberdeen, GB;
James Kennon Whanger, Houston, TX (US);
Neil Andrew Abercrombie Simpson, Aberdeen, GB;
Simon John Harrall, Houston, TX (US);
James Oliver, Sugar Land, TX (US);
Weatherford/Lamb, Inc., Houston, TX (US);
Abstract
There is disclosed an expandable seal for sealing at least part of a wall of a well borehole, an expandable seal assembly comprising at least two such expandable seals, and a method of sealing at least part of a well borehole using such a seal. In one embodiment, the expandable seal () comprises an expandable tubular support member () and an inflatable seal element () mounted externally of the expandable tubular support member () for inflation radially outwardly into sealing engagement with at least part of a wall () of a well borehole (). There is also disclosed a sealing apparatus for sealing at least one flow port in an expandable downhole tubular, in one embodiment, the sealing apparatus () comprising a sealing member () coupled to an expandable tubular (), the sealing member () including a deformable portion () movable between a closed position preventing fluid flow through a flow port () and an open position permitting fluid flow through the flow port ().