US Patent Issued to King Fahd University of Petroleum and Minerals on June 30 for "Imidazolium based ionic liquid for enhanced oil recovery applications" (Saudi Arabia Inventors)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,668,735, issued on June 30, was assigned to King Fahd University of Petroleum and Minerals (Dhahran, Saudi Arabia).

"Imidazolium based ionic liquid for enhanced oil recovery applications" was invented by Sivabalan Sakthivel (Dhahran, Saudi Arabia), Safwat Sayed Abdel-Azeim Abdellatif (Dhahran, Saudi Arabia) and Athaa Alotaibi (Dhahran, Saudi Arabia).

According to the abstract* released by the U.S. Patent & Trademark Office: "Treating an underground geological formation with an imidazolium based ionic liquid will enhance oil recovery in oil reservoirs with carbonated rock. The treatment is suitable for oil recovery at harsh conditions with elevated temperature and high salinity."

The...