ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,486,729, issued on Dec. 2, was assigned to Saudi Arabian Oil Co. (Dhahran, Saudi Arabia).
"Expandable liner removal well tool" was invented by Bandar S. Malki (Dammam, Saudi Arabia), Mohammed Alsheikh (Dammam, Saudi Arabia) and Khaled W. Abuzaid (Al Khobar, Saudi Arabia).
According to the abstract* released by the U.S. Patent & Trademark Office: "A well tool for removing an expandable liner in a wellbore includes a substantially cylindrical tool body oriented about a longitudinal axis, a blade edge connected to the tool body and positioned along a radial perimeter of the tool body, and a blade system connected to the tool body and including a base plate and multiple blades connected t...