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:
Jan. 06, 2015
Filed:
Jun. 30, 2010
Ola Vestavik, Eggesbones, NO;
Harald Syse, Royneberg, NO;
Ola Vestavik, Eggesbones, NO;
Harald Syse, Royneberg, NO;
Reelwell AS, , NO;
Abstract
A down hole well tool () for installing a casing/liner () in a well bore (), wherein the down hole well tool comprises a tool unit comprising at least one first fluid conduit () and a return fluid conduit () in use forming an annulus between the tool unit and the casing/liner. The tool unit further comprises at least one piston () in the annulus dividing the annulus into annulus spaces (). At least two expansion modules (99) for the expansion of the casing are positioned displaced in the axial direction of the casing. The expansion modules are arranged to be moved relative to each other in the axial direction of the casing.