Patents by Inventor Robert Van Martijn Hardeveld

Robert Van Martijn Hardeveld 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).

  • Publication number: 20020062961
    Abstract: A hydrocarbon containing formation may be treated using an in situ thermal process. A mixture of hydrocarbons, H2, and/or other formation fluids may be produced from the formation. Heat may be applied to the formation to raise a temperature of a portion of the formation to a synthesis gas production temperature. A synthesis gas generating fluid may be introduced into the portion. Synthesis gas may be produced from the formation. Synthesis gas may be used as a feed stream in an ammonia synthesis process. Ammonia may be used as a feed stream in a urea synthesis process.
    Type: Application
    Filed: April 24, 2001
    Publication date: May 30, 2002
    Inventors: Harold J. Vinegar, Scott Lee Wellington, Ilya Emil Berchenko, Ajay Madhav Madgavkar, John Michael Ward, Robert Van Martijn Hardeveld