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. 14, 2007
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 downhole tubing. In one embodiment, there is disclosed a method of expanding tubing comprising providing an assemblycomprising a section of expandable tubing () and an expansion device in the form of an expansion mandrel () located at least partially externally of the tubing (), running the assembly () into a bore, translating the expansion mandrel () relative to the tubing () to expand an end section of the tubing (), and further translating the expansion mandrel () relative to the tubing () to expand a further section of the tubing ().