Patents by Inventor Joachim Vilhelmsson

Joachim Vilhelmsson has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Bore protector
    Patent number: 9206663
    Abstract: The invention provides a bore protector for a tubing hanger, the bore protector is to be arranged in a tubing hanger in a spool in a subsea production Xmas tree for through tubing rotary drilling (TTRD) in an existing production well. The bore protector is distinctive in that it comprises a means to be releasably fastened in at least one of: the spool in the Xmas tree and the tubing hanger, and a wear sleeve extending down into the tubing hanger, covering the tubing hanger sealing surfaces for the tubing hanger plugs, the wear sleeve comprises a shoulder at or near an upper end, the shoulder is arranged on a below positioned seat of a main part of the bore protector, in which position the wear sleeve is releasably fastened.
    Type: Grant
    Filed: January 11, 2012
    Date of Patent: December 8, 2015
    Assignee: Aker Subsea AS
    Inventors: André M. Smith, Roar Eide, Bengt Dahlborg, Magnus Fjørtoft Urke, Per Bostedt, Joachim Vilhelmsson
  • BORE PROTECTOR
    Publication number: 20140034328
    Abstract: The invention provides a bore protector for a tubing hanger, the bore protector is to be arranged in a tubing hanger in a spool in a subsea production Xmas tree for through tubing rotary drilling (TTRD) in an existing production well. The bore protector is distinctive in that it comprises a means to be releasably fastened in at least one of: the spool in the Xmas tree and the tubing hanger, and a wear sleeve extending down into the tubing hanger, covering the tubing hanger sealing surfaces for the tubing hanger plugs, the wear sleeve comprises a shoulder at or near an upper end, the shoulder is arranged on a below positioned seat of a main part of the bore protector, in which position the wear sleeve is releasably fastened.
    Type: Application
    Filed: January 11, 2012
    Publication date: February 6, 2014
    Applicant: Aker Subsea AS
    Inventors: André M. Smith, Roar Eide, Bengt Dahlborg, Magnus Fjørtoft Urke, Per Bostedt, Joachim Vilhelmsson