Walter Aldaz has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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 (32) comprises an expandable tubular support member (34) and an inflatable seal element (36) mounted externally of the expandable tubular support member (34) for inflation radially outwardly into sealing engagement with at least part of a wall (50) of a well borehole (10). 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 (332) comprising a sealing member (384) coupled to an expandable tubular (334), the sealing member (384) including a deformable portion (387) movable between a closed position preventing fluid flow through a flow port (356) and an open position permitting fluid flow through the flow port (356).
Type:
Grant
Filed:
February 12, 2004
Date of Patent:
April 15, 2008
Assignee:
Weatherford/Lamb, Inc.
Inventors:
Walter Aldaz, Andrew Michael Duggan, James Kennon Whanger, Neil Andrew Abercrombie Simpson, Simon John Harrall, James Oliver
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 (32) comprises an expandable tubular support member (34) and an inflatable seal element (36) mounted externally of the expandable tubular support member (34) for inflation radially outwardly into sealing engagement with at least part of a wall (50) of a well borehole (10). 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 (332) comprising a sealing member (384) coupled to an expandable tubular (334), the sealing member (384) including a deformable portion (387) movable between a closed position preventing fluid flow through a flow port (356) and an open position permitting fluid flow through the flow port (356).
Type:
Application
Filed:
February 12, 2004
Publication date:
January 27, 2005
Inventors:
Walter Aldaz, Andrew Duggan, James Whanger, Neil Abercrombie Simpson, Simon Harrall, James Oliver