Patents by Inventor Vidar Matheisen

Vidar Matheisen 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).

  • Valve arrangement for a production pipe
    Patent number: 9279309
    Abstract: A tubular member has at least one drainage section including an inlet inlet and at least one self-adjustable flow control device to control the flow of fluid into the drainage section from a well. The flow control devices are located in an annular space surrounding a pipe between the inlet and an outlet is provided for fluid flowing into the drainage section. The annular space forms a flow path through the flow control device passing by a valve body arranged to adjust the flow area in response to the pressure difference across the flow control device and/or changes in density of the fluid. The flow control device includes a valve seat cooperating with the valve body. The valve body includes an annular resilient valve member arranged to be deformed at least in a radial direction, in order to reduce or increase the flow area through the flow control device.
    Type: Grant
    Filed: January 10, 2011
    Date of Patent: March 8, 2016
    Assignee: STATOIL PETROLEUM AS
    Inventors: Bjørnar Werswick, Haavard Aakre, Vidar Matheisen
  • VALVE ARRANGEMENT FOR A PRODUCTION PIPE
    Publication number: 20140008079
    Abstract: A tubular member has at least one drainage section including an inlet inlet and at least one self-adjustable flow control device to control the flow of fluid into the drainage section from a well. The flow control devices are located in an annular space surrounding a pipe between the inlet and an outlet is provided for fluid flowing into the drainage section. The annular space forms a flow path through the flow control device passing by a valve body arranged to adjust the flow area in response to the pressure difference across the flow control device and/or changes in density of the fluid. The flow control device includes a valve seat cooperating with the valve body. The valve body includes an annular resilient valve member arranged to be deformed at least in a radial direction, in order to reduce or increase the flow area through the flow control device.
    Type: Application
    Filed: January 10, 2011
    Publication date: January 9, 2014
    Applicant: STATOIL PETROLEUM AS
    Inventors: Bjørnar Werswick, Haavard Aakre, Vidar Matheisen