US Patent Issued to SAUDI ARABIAN OIL on Dec. 23 for "Laser milling system for concentric casing string cement repair" (Saudi Arabia Inventors)

ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,503,926, issued on Dec. 23, was assigned to SAUDI ARABIAN OIL COMPANY (Dhahran, Saudi Arabia).

"Laser milling system for concentric casing string cement repair" was invented by Zahrah Al Marhoon (Dhahran, Saudi Arabia), Amjad Alsharaawi (Dhahran, Saudi Arabia) and Sameeh Batarseh (Dhahran, Saudi Arabia).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method includes setting a primary plug within a wellbore flowpath defined through a radially innermost casing string of a plurality of concentric casing strings, operating a laser milling tool within the wellbore flowpath to discharge a laser beam into the wellbore flowpath to thereby mill a window through ...