Removable Riser Patents (Class 166/359)
  • Patent number: 4142584
    Abstract: A termination means for a plurality of riser pipes at a floating platform including a termination member for supporting said plurality of riser pipes, said termination member being supported and suspended by constant tension means on said platform. The plurality of riser pipes include a central riser pipe and satellite riser pipes arranged around said central riser pipe. Each of the satellite riser pipes extend through the termination member and are supported from said termination member by fluid pressure actuated tension compensator means which serve to tension each of the riser pipes. The termination means is adapted to both rigid and flexible riser pipes.
    Type: Grant
    Filed: July 20, 1977
    Date of Patent: March 6, 1979
    Assignee: Compagnie Francaise des Petroles
    Inventors: John H. Brewer, Peter G. Harwood