Patents by Inventor Khalil E. MOHAMED

Khalil E. MOHAMED 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).

  • Eutectic alloy system for concentric casing string cement repair
    Patent number: 12473797
    Abstract: A method of repairing wellbores includes setting a plug to isolate a wellbore flowpath within a plurality of concentric casing strings, milling a window through a radially innermost casing string of the plurality of concentric casing strings, via a casing milling tool, and radially outward towards one of a plurality of cement columns, cleaning out one of plurality of a cement columns between two of the concentric casing strings to expand the window radially, inserting a solid eutectic alloy into the wellbore flowpath above the plug, heating the solid eutectic alloy, via a heater inserted within the wellbore flowpath, to melt the eutectic alloy and allow the melted eutectic alloy to flow into the window, solidifying the melted eutectic alloy to form a solidified eutectic plug within the window, and drilling out the solidified eutectic plug to restore the wellbore flowpath through the eutectic plug.
    Type: Grant
    Filed: April 12, 2024
    Date of Patent: November 18, 2025
    Assignees: SAUDI ARABIAN OIL COMPANY, WELLBORE INTEGRITY SOLUTIONS
    Inventors: Zahrah Al Marhoon, Amjad Alshaarawi, Abdallah A. Alkubaisi, Jafar S. Alzaid, Khalil E. Mohamed, Thomas Heinold, Peter Egbe, Alessandro Antonio Gallelli, Songlin Zhong, David Shearer
  • EUTECTIC ALLOY SYSTEM FOR CONCENTRIC CASING STRING CEMENT REPAIR
    Publication number: 20250320790
    Abstract: A method of repairing wellbores includes setting a plug to isolate a wellbore flowpath within a plurality of concentric casing strings, milling a window through a radially innermost casing string of the plurality of concentric casing strings, via a casing milling tool, and radially outward towards one of a plurality of cement columns, cleaning out one of plurality of a cement columns between two of the concentric casing strings to expand the window radially, inserting a solid eutectic alloy into the wellbore flowpath above the plug, heating the solid eutectic alloy, via a heater inserted within the wellbore flowpath, to melt the eutectic alloy and allow the melted eutectic alloy to flow into the window, solidifying the melted eutectic alloy to form a solidified eutectic plug within the window, and drilling out the solidified eutectic plug to restore the wellbore flowpath through the eutectic plug.
    Type: Application
    Filed: April 12, 2024
    Publication date: October 16, 2025
    Applicants: SAUDI ARABIAN OIL COMPANY, WELLBORE INTEGRITY SOLUTIONS
    Inventors: Zahrah AL MARHOON, Amjad ALSHAARAWI, Abdallah A. ALKUBAISI, Jafar S. ALZAID, Khalil E. MOHAMED, Thomas HEINOLD, Peter EGBE, Alessandro Antonio GALLELLI, Songlin ZHONG, David SHEARER