ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,228,531, issued on Feb. 18, was assigned to Vinegar Technologies LLC (West Lake Hills, Texas).
"Method of determining solid and liquid components in sedimentary rocks using NMR relaxation" was invented by Philip M. Singer (Richmond, Texas), Yunke Liu (Houston), Xinglin Wang (Houston), George J. Hirasaki (Bellaire, Texas) and Harold J. Vinegar (West Lake Hills, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for separating liquid-like (T2e) from solid-like (T2G) 1H NMR transverse relaxation times in porous media uses novel pulse sequences together with a 1H NMR spectrometer optimized for geological core samples. The method is applied to obt...