ALEXANDRIA, Va., July 15 -- United States Patent no. 12,662,620, issued on June 23, was assigned to KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS (Dhahran, Saudi Arabia).

"Completion fluid for injection into wellbore" was invented by Naji Ali Mohammed Al-Radhi (Dhahran, Saudi Arabia), Mobeen Murtaza (Dhahran, Saudi Arabia), Muhammad Shahzad Kamal (Dhahran, Saudi Arabia), Umer Zahid (Dhahran, Saudi Arabia) and Syed Muhammad Shakil Hussain (Dhahran, Saudi Arabia).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of completing a wellbore in a hydrocarbon-containing subterranean formation includes injecting a completion fluid into the wellbore to form a hydrostatic gradient at a hydrocarbon-producing depth...