Patents by Inventor Michael P. Gillen

Michael P. Gillen 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).

  • Method and means for cleansing and storing drill cuttings from drilling operations in the sea bottom
    Patent number: 5004051
    Abstract: A subsea storage structure for treatment and storing drill cuttings from drilling operations in the sea bottom includes a generally closed container or tank suitable to be positioned on the sea bottom near the drilling site, which tank is provided with an upper inlet for supply of drill cuttings, and an output to ambient water for water which is displaced during the supply of drill cuttings. The tank contains arrangements for cleansing of the drill cuttings and storage of accumulated oil, fluids and other constituents separated from the drill cuttings, and structure for extraction of the accumulated oil, fluids and other constitutents lighter than water.
    Type: Grant
    Filed: September 12, 1989
    Date of Patent: April 2, 1991
    Assignees: Norwegian Contracts A/S, Conoco Inc.
    Inventors: Finn Rosendahl, Svein Fjeld, Mamdouh M. Salama, Michael P. Gillen