Patents Assigned to Ocean Riser System AS
  • Wireline intervention system
    Patent number: 8678352
    Abstract: An apparatus for controlling tension in a wireline (4), the apparatus comprising a reel (3) mounted on a vessel or surface platform for controlling a wire in a wireline operation, a primary drive means (5) between the reel and a subsea installation around which the wireline is wound and control means for synchronizing the operation of the driver with the reel.
    Type: Grant
    Filed: March 17, 2008
    Date of Patent: March 25, 2014
    Assignees: Ocean Riser System AS, Lewis Limited
    Inventors: Drummond Lawson, Borre Fossli