ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,535,441, issued on Jan. 27, was assigned to Saudi Arabian Oil Co. (Dhahran, Saudi Arabia).
"Determining geologic properties of a rock sample" was invented by Stacey M. Althaus (Houston), Jin-Hong Chen (Katy, Texas), John David Broyles (Houston) and Mohammed Boudjatit (El Kennar Jijel, Algeria).
According to the abstract* released by the U.S. Patent & Trademark Office: "Techniques for determining a geologic property of a rock sample include (i) measuring, using nuclear magnetic resonance (NMR), a volume of a fluid retained within a solid matrix of a processed rock sample; (ii) measuring, using a gas porosimeter, a volume of gas space of the processed rock sample; (iii) measuring, with...