Patents by Inventor Jeffrey Karcher

Jeffrey Karcher 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: 20120152539
    Abstract: Methods and compositions are disclosed that comprise interground perlite and hydraulic cement. An embodiment provides a method of cementing comprising: providing a settable composition comprising perlite, hydraulic cement, and water, wherein the perlite and hydraulic cement are interground prior to combination with the water to form the settable composition; and allowing the settable composition to set.
    Type: Application
    Filed: July 11, 2011
    Publication date: June 21, 2012
    Applicant: HALLIBURTON ENERGY SERVICES, INC.
    Inventors: Jeffrey Karcher, Chad Brenneis, Craig W. Roddy, James R. Benkley