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:
May. 06, 2008
Filed:
Jun. 16, 2004
Andrew Michael Duggan, Westhill, GB;
Simon John Harrall, Houston, TX (US);
Paul David Metcalfe, Aberdeen, GB;
David John Hillis, Balmedie, GB;
Wayne Rudd, Newcastle Upon Tyne, GB;
Andrew Michael Duggan, Westhill, GB;
Simon John Harrall, Houston, TX (US);
Paul David Metcalfe, Aberdeen, GB;
David John Hillis, Balmedie, GB;
Wayne Rudd, Newcastle Upon Tyne, GB;
Weatherford/Lamb, Inc., Houston, TX (US);
Abstract
There are disclosed methods and apparatus for expanding tubing downhole. In one embodiment, there is disclosed a method of expanding downhole tubing such as a liner (), the method comprising the steps of locating the liner () in a borehole (), expanding a part () of the liner () in the borehole (), locating an expansion device such as an expandable cone () in said expanded part () of the liner (), and translating the cone () relative to the liner () to expand a further part () of the liner ().