Patents by Inventor Jan Hendrik Gerretsen

Jan Hendrik Gerretsen 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).

  • Patent number: 9551211
    Abstract: A method for appraising a deepwater well comprising: producing a first quantity of hydrocarbon from an undersea reservoir; transporting the first quantity of hydrocarbon to a floating vessel; off loading the first quantity of hydrocarbon from the vessel; producing a second quantity of hydrocarbon from the undersea reservoir; and transporting the second quantity of hydrocarbon to the floating vessel.
    Type: Grant
    Filed: June 4, 2014
    Date of Patent: January 24, 2017
    Assignee: Shell Oil Company
    Inventors: Jan Hendrik Gerretsen, Joao Paulo Juliao Matsuura
  • Publication number: 20160123131
    Abstract: A method for appraising a deepwater well comprising: producing a first quantity of hydrocarbon from an undersea reservoir; transporting the first quantity of hydrocarbon to a floating vessel; off loading the first quantity of hydrocarbon from the vessel; producing a second quantity of hydrocarbon from the undersea reservoir; and transporting the second quantity of hydrocarbon to the floating vessel.
    Type: Application
    Filed: June 4, 2014
    Publication date: May 5, 2016
    Inventors: Jan Hendrik GERRETSEN, Joao Paulo Juliao MATSUURA
  • Publication number: 20150031252
    Abstract: A system for mooring a floating production vessel comprising: two or more buoys anchored to the seafloor that are also connected directly to the floating production vessel; and one or more risers connected to at least one of the buoys that is also connected to one or more subsea wellheads or manifolds wherein the buoys are not connected to the floating vessel by a swivel and turret system.
    Type: Application
    Filed: March 12, 2013
    Publication date: January 29, 2015
    Inventors: Yile Li, Joao Paulo Juliao Matsuura, Jan Hendrik Gerretsen