Patents Assigned to Campagnie Francaise des Petroles, Societe Anonyme
  • Reservoir for storing hydrocarbon liquids and process for fabricating the same
    Patent number: 3943721
    Abstract: A reservoir for hydrocarbon liquids is formed by a hollow in the ground lined with a gas-tight sheet and covered by a roof floating on the liquid in the hollow, the roof comprising a non-metallic rigid body which is gas-tight and of low density, a meter cube of the body weighing between 15 kgs and 100 kgs, a layer of earth or the like covering the surface of the body, and auxilliary gas-tight means connecting the circumference of the roof body to the circumference of the hollow.
    Type: Grant
    Filed: July 19, 1974
    Date of Patent: March 16, 1976
    Assignee: Campagnie Francaise des Petroles, Societe Anonyme
    Inventors: Jean-Paul Azalbert, Adrien Giraud, Claude J. Tassin, Christian H. Pech