Patents by Inventor Bjørn Erling HAGEN

Bjørn Erling HAGEN 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).

  • Remotely operated stage cementing methods for liner drilling installations
    Patent number: 9970258
    Abstract: A method of using a liner assembly comprises inserting the liner assembly into a wellbore, the liner assembly having an annular packer and a port collar. The method further comprises closing fluid flow through a lower end of the liner assembly, actuating the annular packer into engagement with the wellbore, and actuating the port collar into an open position to open fluid communication between an interior of the liner assembly and the wellbore. The method further comprises pumping cement into the wellbore through the port collar at a location above the annular packer and actuating the port collar into a closed position to close fluid communication between the interior of the liner assembly and the wellbore.
    Type: Grant
    Filed: May 12, 2015
    Date of Patent: May 15, 2018
    Assignee: WEATHERFORD TECHNOLOGY HOLDINGS, LLC
    Inventors: Ivan Andre Barannikow, Douglas Brian Farley, Egor Dudochkin, Steven Michael Rosenberg, Bjørn Erling Hagen, Richard Alastair Howard Dalzell
  • REMOTELY OPERATED STAGE CEMENTING METHODS FOR LINER DRILLING INSTALLATIONS
    Publication number: 20150330180
    Abstract: A method of using a liner assembly comprises inserting the liner assembly into a wellbore, the liner assembly having an annular packer and a port collar. The method further comprises closing fluid flow through a lower end of the liner assembly, actuating the annular packer into engagement with the wellbore, and actuating the port collar into an open position to open fluid communication between an interior of the liner assembly and the wellbore. The method further comprises pumping cement into the wellbore through the port collar at a location above the annular packer and actuating the port collar into a closed position to close fluid communication between the interior of the liner assembly and the wellbore.
    Type: Application
    Filed: May 12, 2015
    Publication date: November 19, 2015
    Inventors: Ivan Andre BARANNIKOW, Douglas Brian FARLEY, Egor DUDOCHKIN, Steven Michael ROSENBERG, Bjørn Erling HAGEN, Richard Alastair Howard DALZELL