ALEXANDRIA, Va., March 17 -- United States Patent no. 12,578,500, issued on March 17, was assigned to Saudi Arabian Oil Co. (Dhahran, Saudi Arabia).

"Hydrocarbon reservoir saturation logging" was invented by Mustafa Abdulmohsin (Dhahran, Saudi Arabia), Anas Almarzooq (Dhahran, Saudi Arabia) and Shouxiang Mark Ma (Dhahran, Saudi Arabia).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods for developing a reservoir that include obtaining well log data (conducting nuclear magnetic resonance (NMR), gamma ray (GR), and resistivity logging operations to generate corresponding NMR, GR and formation true resistivity logs for one or more wells in the reservoir), determining rock property data based on t...