Patents by Inventor Kristian Korbøl JOSEFSEN

Kristian Korbøl JOSEFSEN 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 system
    Patent number: 11236592
    Abstract: A valve system for use in a wellbore, comprising a side pocket mandrel having a main bore for alignment with a wellbore tubular and a laterally offset side pocket bore separated from the main bore by an internal wall, the laterally offset side pocket bore comprising a first receptacle for a first device and a second receptacle for a second device, the internal wall having an opening through which each of the first device and the second device is independently retrievable. There is also provided a side pocket mandrel, a hydrocarbon well and a method of operating a hydrocarbon well.
    Type: Grant
    Filed: June 26, 2018
    Date of Patent: February 1, 2022
    Assignee: PETROLEUM TECHNOLOGY COMPANY AS
    Inventor: Kristian Korbøl Josefsen
  • VALVE SYSTEM
    Publication number: 20200355050
    Abstract: A valve system for use in a wellbore, comprising a side pocket mandrel having a main bore for alignment with a wellbore tubular and a laterally offset side pocket bore separated from the main bore by an internal wall, the laterally offset side pocket bore comprising a first receptacle for a first device and a second receptacle for a second device, the internal wall having an opening through which each of the first device and the second device is independently retrievable. There is also provided a side pocket mandrel, a hydrocarbon well and a method of operating a hydrocarbon well.
    Type: Application
    Filed: June 26, 2018
    Publication date: November 12, 2020
    Inventor: Kristian Korbøl JOSEFSEN