ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,747,662, issued on Sept. 29, was assigned to SAUDI ARABIAN OIL COMPANY (Dhahran, Saudi Arabia).

"System and method for untethered multifinger imaging of a wellbore inner wall" was invented by Mohamed Larbi Zeghlache (Al Khobar, Saudi Arabia).

According to the abstract* released by the U.S. Patent & Trademark Office: "An untethered caliper tool for measuring a diameter of a conduit having a wall and a fluid, the untethered caliper tool includes one or more fingers connected to a body and configured to extend or retract about an axis of the body. A control system is located within the body, having automation capabilities, configured to track movement of the one or more fingers caused ...