Patents by Inventor Samuel E. Coleman

Samuel E. Coleman 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).

  • Patent number: 4635724
    Abstract: In a hydrocarbon recovery system including CO.sub.2 pressurization of an underground formation, a sealing cement comprised of Portland cement and Class C fly ash.
    Type: Grant
    Filed: July 26, 1985
    Date of Patent: January 13, 1987
    Assignee: Dowell Schlumberger Incorporated
    Inventors: Roderick A. Bruckdorfer, Samuel E. Coleman