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:
Jun. 10, 2014
Filed:
Mar. 25, 2004
Andrew Michael Duggan, Aberdeen, GB;
Graeme Thomas Marr, Aberdeenshire, GB;
Paul David Metcalfe, Aberdeen, GB;
Mark Davies, Aberdeenshire, GB;
Neil Andrew Abercrombie Simpson, Aberdeen, GB;
Wayne Rudd, Newcastle Upon Tyne, GB;
Andrew Michael Duggan, Aberdeen, GB;
Graeme Thomas Marr, Aberdeenshire, GB;
Paul David Metcalfe, Aberdeen, GB;
Mark Davies, Aberdeenshire, GB;
Neil Andrew Abercrombie Simpson, Aberdeen, GB;
Wayne Rudd, Newcastle Upon Tyne, GB;
Weatherford/Lamb, Inc., Houston, TX (US);
Abstract
There is disclosed a tubing expansion device and a method of expanding tubing. In one embodiment, an expansion device () is disclosed which comprises at least one expansion member () adapted to expand a tubing () by inducing a hoop stress in the tubing (), and at least one further expansion member () adapted to expand the tubing () by inducing a compressive yield of the tubing (); and a method of expanding tubing () comprising the steps of expanding the tubing () at least in part by inducing a hoop stress in the tubing (), and expanding the tubing () at least in part by inducing a compressive yield of the tubing ().