The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 18, 2025
Filed:
Apr. 12, 2024
Saudi Arabian Oil Company, Dhahran, SA;
Wellbore Integrity Solutions, Damman, SA;
Zahrah Al Marhoon, Dhahran, SA;
Amjad Alshaarawi, Dhahran, SA;
Abdallah A. Alkubaisi, Udhailiyah, SA;
Jafar S. Alzaid, Udhailiyah, SA;
Khalil E. Mohamed, Udhailiyah, SA;
Thomas Heinold, Dhahran, SA;
Peter Egbe, Dhahran, SA;
Alessandro Antonio Gallelli, Dhahran, SA;
Songlin Zhong, Dhahran, SA;
David Shearer, Damman, SA;
SAUDI ARABIAN OIL COMPANY, Dhahran, SA;
WELLBORE INTEGRITY SOLUTIONS, Damman, SA;
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.