ALEXANDRIA, Va., July 9 -- United States Patent no. 12,352,130, issued on July 8, was assigned to SAUDI ARABIAN OIL COMPANY (Dhahran, Saudi Arabia).

"Off-bottom tubular shoe-track with shearable mechanisms" was invented by Ahmed Abdulaziz Al-Mousa (Dhahran, Saudi Arabia) and Linlin Wang (Dhahran, Saudi Arabia).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system includes a tubular deployed in a wellbore and configured to be cemented in the wellbore, a removable shoe track removably connected to a distal end of the tubular through a shear pin and configured to deploy cement to an annulus of the tubular, and an inflatable bag disposed on the tubular and configured to inflate to seal the annulus of the tubula...