Patents by Inventor Mary L.K. Dimataris

Mary L.K. Dimataris 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).

  • High density brines for use in wellbore fluids
    Patent number: 8697611
    Abstract: A composition and method for use in drilling or completing a subterranean well comprising a solidsfree, high-density brine composed of alkali metal polytungstate and blends thereof. These high-density brines are also useful as wellbore fluids and other non-oilfield fluids requiring high density properties.
    Type: Grant
    Filed: December 14, 2005
    Date of Patent: April 15, 2014
    Assignee: M-I L.L.C.
    Inventors: Hui Zhang, Robert L. Horton, Bethicia B. Prasek, Mary L. K. Dimataris
  • High Density Brines For Use In Wellbore Fluids
    Publication number: 20080135302
    Abstract: A composition and method for use in drilling or completing a subterranean well comprising a solids free, high-density brine composed of alkali metal polytungstate and blends thereof. These high-density brines are also useful as wellbore fluids and other non-oilfield fluids requiring high density properties.
    Type: Application
    Filed: December 14, 2005
    Publication date: June 12, 2008
    Inventors: Hui Zhang, Robert L. Horton, Bethicia B. Prasek, Mary L.K. Dimataris