Patents by Inventor Hans Olof Lagnemo

Hans Olof Lagnemo 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: 20210363402
    Abstract: A composition useful for subterranean water or gas shut off applications includes organosilane-modified colloidal silica and an accelerator. The accelerator includes one or more organic or inorganic salts. A method of using a composition, including an organosilane-modified colloidal silica and an accelerator, includes forming a fluid system that is flowed to a formation in a subterranean zone, such as through a wellbore, where the composition forms a gel to plug the formation and shut off water flow into the wellbore.
    Type: Application
    Filed: August 9, 2021
    Publication date: November 25, 2021
    Inventors: Mohammed A. Bataweel, Jin Huang, Ayman Mohammed Almohsin, Prasad Baburao Karadkar, Hans Olof Lagnemo, Andreas Ake Sundblom, Per Anders Restorp
  • Patent number: 11104838
    Abstract: A composition useful for subterranean water or gas shut off applications includes organosilane-modified colloidal silica and an accelerator. The accelerator includes one or more organic or inorganic salts. A method of using a composition, including an organosilane-modified colloidal silica and an accelerator, includes forming a fluid system that is flowed to a formation in a subterranean zone, such as through a wellbore, where the composition forms a gel to plug the formation and shut off water flow into the wellbore.
    Type: Grant
    Filed: May 14, 2018
    Date of Patent: August 31, 2021
    Assignees: Saudi Arabian Oil Company, Akzo Nobel Chemicals International B.V.
    Inventors: Mohammed Abudullah Bataweel, Jin Huang, Ayman Mohammed Almohsin, Prasad Baburao Karadkar, Hans Olof Lagnemo, Andreas Ake Sundblom, Per Anders Restorp
  • Publication number: 20180327648
    Abstract: A composition useful for subterranean water or gas shut off applications includes organosilane-modified colloidal silica and an accelerator. The accelerator includes one or more organic or inorganic salts. A method of using a composition, including an organosilane-modified colloidal silica and an accelerator, includes forming a fluid system that is flowed to a formation in a subterranean zone, such as through a wellbore, where the composition forms a gel to plug the formation and shut off water flow into the wellbore.
    Type: Application
    Filed: May 14, 2018
    Publication date: November 15, 2018
    Inventors: Mohammed Abudullah Bataweel, Jin Huang, Ayman Mohammed Almohsin, Prasad Baburao Karadkar, Hans Olof Lagnemo, Andreas Ake Sundblom, Per Anders Restorp