Patents by Inventor Thomas D. Elson

Thomas D. Elson 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).

  • Steam injection well gravel prepack material of sintered bauxite
    Patent number: 4548269
    Abstract: A packing material useful in a gravel pack for open or cased wells or in a prepack for use in steam or hot fluid injection and production wells. The packing material is a material which is insoluble in high temperature caustic fluids and subsurface formation fluids. Sintered bauxite is a claimed material.
    Type: Grant
    Filed: July 5, 1984
    Date of Patent: October 22, 1985
    Assignee: Chevron Research Company
    Inventors: Thomas D. Elson, Ralph S. Millhone
  • Steam injection well gravel pack material of sintered bauxite
    Patent number: 4537254
    Abstract: A packing material useful in a gravel pack for open or cased wells or in a prepack for use in steam or hot fluid injection and production wells. The packing material is a material which is insoluble in high temperature caustic fluids and subsurface formation fluids. Sintered bauxite is a claimed material.
    Type: Grant
    Filed: July 5, 1984
    Date of Patent: August 27, 1985
    Assignee: Chevron Research Company
    Inventors: Thomas D. Elson, Ralph S. Millhone
  • Foam gravel packing in highly deviated wells
    Patent number: 4460045
    Abstract: A method for packing particulate material in the annulus surrounding a liner in a subsurface well having a substantial deviation from vertical. Foam carrier fluid is employed for placing the particulate material. The geometry of the apparatus at the location where the material is to be placed is described.
    Type: Grant
    Filed: July 6, 1982
    Date of Patent: July 17, 1984
    Assignee: Chevron Research Company
    Inventors: Thomas D. Elson, Ralph S. Millhone
  • Foam gravel packing
    Patent number: 4438815
    Abstract: A method of gravel packing a subsurface well is disclosed wherein particulate material is fluidized in a gas/liquid foam carrier fluid and transported to the subsurface where the particulate material forms the gravel pack and the foam carrier fluid returns to the surface.
    Type: Grant
    Filed: November 23, 1981
    Date of Patent: March 27, 1984
    Assignee: Chevron Research Company
    Inventors: Thomas D. Elson, Ralph S. Millhone