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:
Jul. 31, 2018
Filed:
Jun. 24, 2015
Shell Oil Company, Houston, TX (US);
Walter Stam, Rijswijk, NL;
Antonius Leonardus Maria Wubben, Rijswijk, NL;
Djurre Hans Zijsling, Rijswijk, NL;
SHELL OIL COMPANY, Houston, TX (US);
Abstract
In an expansion assembly (), an expandable bottom plug () is arranged below a primary expander () for expanding a tubular element (). The expandable bottom plug () includes an expandable tubular clad element with a sealing section for sealing the expanded clad element to a lower portion of the expanded tubular element (), and an anchoring section for anchoring the expanded clad element to the lower portion of the expanded tubular element. A secondary expander () is provided for radially expanding the clad element in the lower portion of the expanded tubular element by axial movement of the secondary expander through the clad element.