Patents by Inventor James Michael Foley

James Michael Foley 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).

  • Functionalized clay compositions for aqueous based drilling fluids
    Patent number: 7989402
    Abstract: An aqueous drilling fluid which contains a diquaternary ammonium cation functionalized clay which provides a substantially constant rheological profile, with respect to salinity, when incorporated into well drilling fluids. A clay/organic chemical composition includes: (a) montmorillonite clay and (b) one or more diquaternary ammonium compounds. A further aspect of the invention is a well drilling process which employs a drilling fluid containing the diquaternary ammonium cation functionalized clay described hereafter.
    Type: Grant
    Filed: September 14, 2006
    Date of Patent: August 2, 2011
    Assignee: Elementis Specialties, Inc.
    Inventors: David Dino, James Michael Foley
  • Functionalized clay compositions for aqueous based drilling fluids
    Publication number: 20080070811
    Abstract: An aqueous drilling fluid which contains a diquaternary ammonium cation functionalized clay which provides a substantially constant rheological profile, with respect to salinity, when incorporated into well drilling fluids. A further aspect of the invention is a well drilling process which employs a drilling fluid containing the diquaternary ammonium cation functionalized clay described hereafter. A clay/organic chemical composition that comprises: (a) montmorillonite clay and (b) one or more diquaternary ammonium compounds.
    Type: Application
    Filed: September 14, 2006
    Publication date: March 20, 2008
    Inventors: David Dino, James Michael Foley