Patents by Inventor Egil Josefsen

Egil 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).

  • Patent number: 8136601
    Abstract: A device for increasing the production flow in a production tubing, where the production tubing has at least one inlet or port for adding a fluid medium, adds the fluid medium through the at least one inlet or port at an angle ? between 90 and 0 degrees with a longitudinal axis of the production tubing. The device further has elements that provide a rotation of the added fluid medium.
    Type: Grant
    Filed: March 28, 2008
    Date of Patent: March 20, 2012
    Assignee: Petroleum Technology Company
    Inventors: Magnar Tveiten, David Hutchinson, Egil Josefsen, Kristian Harestad
  • Publication number: 20100059222
    Abstract: The present invention relates to device for increasing the production flow in a production tubing, comprising at least one inlet for adding a fluid medium and means to provide the added fluid at an angle ? between 90 and zero degrees with a longitudinal axis of the tubing. This effect is further enhanced by means for rotating the added fluid medium. A method for increasing the production flow in a production tubing is also disclosed.
    Type: Application
    Filed: March 28, 2008
    Publication date: March 11, 2010
    Applicant: PETROLEUM TECHNOLOGY COMPANY AS
    Inventors: Magnar Tveiten, David Hutchinson, Egil Josefsen, Kristian Harestad