ALEXANDRIA, Va., June 12 -- United States Patent no. 12,297,715, issued on May 13, was assigned to Saudi Arabian Oil Co. (Dhahran, Saudi Arabia).
"Concentric smart well completion" was invented by Ahmed A. Al-Ramadhan (Dammam, Saudi Arabia), Ahmed Abdullah Al-Mousa (Dhahran, Saudi Arabia) and Marius Neacsu (Dhahran, Saudi Arabia).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method includes disposing a tubular production string in a wellbore, the string having an upper portion with inner diameter greater than the inner diameter of a lower portion of the string. A tubular insert is disposed within the production string uphole of the lower portion. Opening an upper interval control valve (ICV) on the product...