Patents by Inventor Paul Louis Poulallion

Paul Louis Poulallion 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).

  • Formation of cavities in the bed of a sheet of water
    Patent number: 3998061
    Abstract: In order to form galleries or other subterranean cavities in the bed of a sheet of water, for example for the construction of a subterranean reservoir for storing petroleum, or for exploiting submarine deposits, a floating structure, comprising at least one and preferably two hollow shafts, is ballasted so that it rests upon the seabed or underwater surface, a bore is excavated in extension of each hollow shaft, down to the desired depth, a casing tube is inserted there, extending to above the sheet of water, and one of said casings is used as an access means for the excavation of the galleries or cavities, whilst the other if used to remove the spoil.
    Type: Grant
    Filed: March 24, 1975
    Date of Patent: December 21, 1976
    Assignees: C. G. Doris (Compagnie Generale pour les Developement Operationnels des Richesses Sous-marines), Societe Francaise de Stockage Geologique GEOSTOCK
    Inventors: Christian Jackie Rederon, Gerard Pierre Souquet, Paul Louis Poulallion