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. 08, 2006
Filed:
Sep. 10, 2003
Andrew Michael Duggan, Scotland, GB;
Andrew Michael Duggan, Scotland, GB;
Weatherford/Lamb, Inc., Houston, TX (US);
Abstract
The invention relates to a tubing expansion tool and to a method of expanding tubing. In one embodiment, a tubing expansion tool () is disclosed which comprises a body () and at least one expansion member () radially movably mounted on the body () for movement towards an extended configuration describing an expansion diameter for expanding tubing () to a predetermined diameter, the expansion member () being lockable in the extended configuration. In further embodiments, the expansion member () is biased radially inwardly; the expansion member () is moveable in response to both an applied mechanical force and an applied fluid pressure force; and the expansion member () is pivotably mounted with respect to the body ().