Patents by Inventor Elsayed R. Abdelfatah

Elsayed R. Abdelfatah 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: 11306574
    Abstract: Compositions of nanoparticle-based stimulation fluids and methods of use for acid diversion from high permeability zones into low permeability zones to achieve deep penetration of wormholes in subterranean formations, such as carbonate formations. Certain embodiments include a gel precursor composition comprising metal oxide nanoparticles, such as silicon dioxide nanoparticles as a gelling agent, and magnesium chloride.
    Type: Grant
    Filed: November 8, 2019
    Date of Patent: April 19, 2022
    Assignee: The Board of Regents of the University of Oklahoma
    Inventors: Sangho Bang, Bor Jier Shiau, Jeffrey H. Harwell, Elsayed R. Abdelfatah, Maysam Pournik
  • Publication number: 20200148943
    Abstract: Compositions of nanoparticle-based stimulation fluids and methods of use for acid diversion from high permeability zones into low permeability zones to achieve deep penetration of wormholes in subterranean formations, such as carbonate formations. Certain embodiments include a gel precursor composition comprising metal oxide nanoparticles, such as silicon dioxide nanoparticles as a gelling agent, and magnesium chloride.
    Type: Application
    Filed: November 8, 2019
    Publication date: May 14, 2020
    Inventors: Sangho Bang, Bor Jier Shiau, Jeffrey H. Harwell, Elsayed R. Abdelfatah, Maysam Pournik