ALEXANDRIA, Va., April 7 -- United States Patent no. 12,596,065, issued on April 7, was assigned to Saudi Arabian Oil Co. (Dhahran, Saudi Arabia).
"Determining parameters of a rock sample" was invented by Jilin Jay Zhang (Houston) and Hui-Hai Liu (Houston).
According to the abstract* released by the U.S. Patent & Trademark Office: "Techniques for determining properties of a rock sample include performing a plurality of series of permeability measurements of a rock sample with a permeability test assembly to derive permeability values, where each series includes permeability measurements of the rock sample at a respective, constant differential pressure between a particular confining pressure and a particular pore pressure; for each series...