ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,503,936, issued on Dec. 23, was assigned to KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS (Dhahran, Saudi Arabia).

"Fracturing fluid recovery with ionic liquid" was invented by Ahmed Mohamed Farid Ibrahim (Dhahran, Saudi Arabia), Khalid Zidan Ibrahim (Dhahran, Saudi Arabia) and Ahmed Essam Mohamed (Dhahran, Saudi Arabia).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of fracturing fluid recovery includes injecting a fracturing fluid into a subterranean reservoir via a wellbore. The fracturing fluid includes a carrier fluid, a proppant and an ionic liquid. The method further includes increasing a pressure within the wellbore to create or extend ...