Patents by Inventor Donald Stephen Mims

Donald Stephen Mims 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).

  • Hydrocarbon-assisted thermal recovery method
    Patent number: 5685371
    Abstract: A method of enhancing recovery of viscous petroleum is provided. A hydrocarbons mixture comprising hydrocarbons having a selected range of boiling points, all higher than that of water, is injected at relatively low concentrations along with steam. The range and distribution of hydrocarbon boiling points in the mixture to be injected may be selected by experiment or calculations.
    Type: Grant
    Filed: June 15, 1995
    Date of Patent: November 11, 1997
    Assignee: Texaco Inc.
    Inventors: William Charles Richardson, Donald Stephen Mims, Kevin David Kimber, Arthur Ruch Deemer