ALEXANDRIA, Va., June 17 -- United States Patent no. 12,312,531, issued on May 27, was assigned to KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS (Dhahran, Saudi Arabia).
"Okra composition as a shale swelling inhibitor in water-based drilling fluids" was invented by Mobeen Murtaza (Dhahran, Saudi Arabia), Mohammad Shahzad Kamal (Dhahran, Saudi Arabia), Mohamed Mahmoud (Dhahran, Saudi Arabia) and Dhafer A. Al-Shehri (Dhahran, Saudi Arabia).
According to the abstract* released by the U.S. Patent & Trademark Office: "A drilling fluid includes an aqueous base fluid; 1 to 30 wt. % of an okra composition; 10 wt. % of clay particles; and 0.005 to 0.5 wt. % of a base, each wt. % based on a total weight of the drilling fluid composition. The okra ...