Patents by Inventor Robert Stubbeman

Robert Stubbeman 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).

  • Subsea well assembly and assoicated method
    Patent number: 9863207
    Abstract: Subsea well assembly having a Xmas tree (107, 207) and wellhead (103). From a tubing hanger (113) a tubing extends into the well. A part of a production flow passage extends vertically from the tubing hanger (113) in a vertical bore (111) of the Xmas tree. A fail close production master valve (PMV) (117) is arranged in the production flow passage. The tubing hanger (113) is arranged below the Xmas tree (107), such as in the wellhead (103). The Xmas tree (107) exhibits a branch (115) that deviates from the vertical bore (111), which branch constitutes part of the production flow passage. The fail close type production master valve (PMV) (117) is arranged in the branch (115).
    Type: Grant
    Filed: September 28, 2016
    Date of Patent: January 9, 2018
    Assignee: Aker Solutions AS
    Inventor: Robert Stubbeman
  • SUBSEA WELL ASSEMBLY AND ASSOICATED METHOD
    Publication number: 20170016302
    Abstract: Subsea well assembly having a Xmas tree (107, 207) and wellhead (103). From a tubing hanger (113) a tubing extends into the well. A part of a production flow passage extends vertically from the tubing hanger (113) in a vertical bore (111) of the Xmas tree. A fail close production master valve (PMV) (117) is arranged in the production flow passage. The tubing hanger (113) is arranged below the Xmas tree (107), such as in the wellhead (103). The Xmas tree (107) exhibits a branch (115) that deviates from the vertical bore (111), which branch constitutes part of the production flow passage. The fail close type production master valve (PMV) (117) is arranged in the branch (115).
    Type: Application
    Filed: September 28, 2016
    Publication date: January 19, 2017
    Applicant: AKER SUBSEA AS
    Inventor: Robert STUBBEMAN
  • Subsea well assembly and associated method
    Patent number: 9470069
    Abstract: Subsea well assembly having a Xmas tree (107, 207) and wellhead (103). From a tubing hanger (113) a tubing extends into the well. A part of a production flow passage extends vertically from the tubing hanger (113) in a vertical bore (111) of the Xmas tree. A fail close production master valve (PMV) (117) is arranged in the production flow passage. The tubing hanger (113) is arranged below the Xmas tree (107), such as in the wellhead (103). The Xmas tree (107) exhibits a branch (115) that deviates from the vertical bore (111), which branch constitutes part of the production flow passage. The fail close type production master valve (PMV) (117) is arranged in the branch (115).
    Type: Grant
    Filed: April 26, 2012
    Date of Patent: October 18, 2016
    Assignee: Aker Subsea AS
    Inventor: Robert Stubbeman
  • SUBSEA WELL ASSEMBLY AND ASSOCIATED METHOD
    Publication number: 20140048278
    Abstract: Subsea well assembly having a Xmas tree (107, 207) and wellhead (103). From a tubing hanger (113) a tubing extends into the well. A part of a production flow passage extends vertically from the tubing hanger (113) in a vertical bore (111) of the Xmas tree. A fail close production master valve (PMV) (117) is arranged in the production flow passage. The tubing hanger (113) is arranged below the Xmas tree (107), such as in the wellhead (103). The Xmas tree (107) exhibits a branch (115) that deviates from the vertical bore (111), which branch constitutes part of the production flow passage. The fail close type production master valve (PMV) (117) is arranged in the branch (115).
    Type: Application
    Filed: April 26, 2012
    Publication date: February 20, 2014
    Applicant: AKER SUBSEA AS
    Inventor: Robert Stubbeman