Patents Assigned to Alsthom Atlantique Institut Francais du Petrole
  • Sea platforms for improving their dynamic balance
    Patent number: 4886398
    Abstract: An improved platform comprising several columns at least partially submerged in service, wherein, over at least a submerged portion of at least one column, the section defined by the intersection of this portion with a horizontal plane decreases when the depth increases.
    Type: Grant
    Filed: October 13, 1988
    Date of Patent: December 12, 1989
    Assignee: Alsthom Atlantique Institut Francais du Petrole
    Inventor: Charles Sparks