ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,460,501, issued on Nov. 4, was assigned to SAUDI ARABIAN OIL COMPANY (Dhahran, Saudi Arabia).
"Through-tubing plug" was invented by Ali Al Shaikh (Dhahran, Saudi Arabia), Abdullrohman K. Alarfaj (Dhahran, Saudi Arabia) and Miguel Augusto Avila Romero (Dhahran, Saudi Arabia).
According to the abstract* released by the U.S. Patent & Trademark Office: "A through-tubing plug includes an outer mandrel defining a first uphole port and a first downhole port, an inner mandrel received within the outer mandrel and defining a second uphole port and a second downhole port, a plug core provided on the outer mandrel and providing a landing profile sealingly engageable with a landing receptor provi...