US Patent Issued to KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS on Dec. 30 for "Clay swelling inhibition using acrylic acid functionalized cellulose diacrylate carbon nanocomposite" (Saudi Arabia, Pakistani Inventors)

ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,509,619, issued on Dec. 30, was assigned to KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS (Dhahran, Saudi Arabia).

"Clay swelling inhibition using acrylic acid functionalized cellulose diacrylate carbon nanocomposite" was invented by Mobeen Murtaza (Dhahran, Saudi Arabia), Azeem Rana (Lahore, Pakistan), Sohail Nadeem (Lahore, Pakistan), Muhammad Shahzad Kamal (Dhahran, Saudi Arabia) and Mohamed Mahmoud (Dhahran, Saudi Arabia).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of clay swelling inhibition includes contacting an aqueous drilling fluid with a subterranean geological formation. The aqueous drilling fluid includes an acrylic acid functio...