Patents by Inventor Bruce Donald Plafreyman

Bruce Donald Plafreyman 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).

  • In situ thermal processing and remediation of an oil shale formation
    Publication number: 20030209348
    Abstract: An oil shale formation may be treated using an in situ thermal process. Heat may be provided to a portion of the formation from one or more heat sources. Heat may be allowed to transfer from the heat sources to a selection of the formation. Hydrocarbons, H2, and/or other formation fluids may be produced from the formation. A recovery fluid may be provided to the formation to recover one or more components remaining in the portion.
    Type: Application
    Filed: April 24, 2002
    Publication date: November 13, 2003
    Inventors: John Michael Ward, Eric Pierre de Rouffignac, Ajay Madhav Madgavkar, Kevin Albert Maher, Bruce Donald Plafreyman, Robert Charles Ryan, George Leo Stegemeier, Harold J. Vinegar, Scott Lee Wellington