US Patent Issued to Saudi Arabian Oil, King Fahd University of Petroleum & Minerals on April 22 for "Removal of filter cake" (Saudi Arabia Inventors)

ALEXANDRIA, Va., June 6 -- United States Patent no. 12,281,258, issued on April 22, was assigned to Saudi Arabian Oil Co. (Dhahran, Saudi Arabia) and King Fahd University of Petroleum & Minerals (Dhahran, Saudi Arabia).

"Removal of filter cake" was invented by Ayman Raja Al-Nakhli (Dammam, Saudi Arabia), Mohamed Mahmoud (Dhahran, Saudi Arabia), Zeeshan Tariq (Dhahran, Saudi Arabia), Alade Olalekan Saheed (Dhahran, Saudi Arabia) and Muhammad Shahzad Kamal (Dhahran, Saudi Arabia).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method, system, and drilling fluid for treating a wellbore for filter cake removal, including providing the drilling fluid having thermochemical reagents that are encapsulated and acid-g...