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:
Oct. 22, 2019
Filed:
Dec. 09, 2015
Shell Oil Company, Houston, TX (US);
Antonius Leonardus Maria Wubben, Rijswijk, NL;
Tino Walter Van Der Zee, Joure, NL;
Remmelt Bouma, Joure, NL;
Erik Van Dalfsen, Joure, NL;
SHELL OIL COMPANY, Houston, TX (US);
Abstract
A system for radially expanding a tubular element () in an underground borehole () comprises an expansion string () extending into the tubular element () and including an expander () and a jack device () for pulling the expander () through the tubular element () so as to radially expand the tubular element (). The jack device () is provided with an anchor () having at least one slip element () adapted to be radially moved against the inner surface of the tubular element (). A cage () is positioned above the tubular element (), which cage () is surrounded by a cylindrical wall and adapted to receive the anchor () and to be radially expanded by the anchor () against said cylindrical wall.