Patents by Inventor Matthew B. BLACKMAN

Matthew B. BLACKMAN 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).

  • CROSS-LINKED LEVAN BLENDS AS LOST CIRULATION MATERIALS
    Publication number: 20200308468
    Abstract: The present invention is directed to compositions and methods for reducing lost circulation in drilling wells with compositions preferably comprising cross linked levan and calcium carbonate mixed with clay minerals such as kaolinite and other minerals blends or salts thereof.
    Type: Application
    Filed: July 7, 2017
    Publication date: October 1, 2020
    Applicant: HPPE, LLC
    Inventors: Ashoka V.R. MADDURI, Charles R. LANDIS, Matthew B. BLACKMAN, Sanket GANDHI