ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,553,813, issued on Feb. 17, was assigned to PetroChina Co. Ltd. (Beijing).
"Rock dynamic physical property measurement system" was invented by Lianhua Hou (Beijing), Senhu Lin (Beijing), Zhenglian Pang (Beijing), Weijiao Ma (Beijing), Guangzhi Liao (Beijing) and Jinghong Wang (Beijing).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a system for measuring dynamic physical properties of a rock, the system being configured to simulate various states of the rock under various pressure and temperature conditions, so as to facilitate the research on dynamically changing physical properties of the rock under those conditions, the...