ALEXANDRIA, Va., July 28 -- United States Patent no. 12,693,249, issued on July 28, was assigned to Northeast Petroleum University (Daqing City, China).

"Method for quantitative evaluation on sensitivity of shale oil and gas reservoir to injected fluids" was invented by Xiaofei Fu (Daqing, China), Jianguang Wei (Daqing, China), Xiaofeng Zhou (Daqing, China), Anlun Wang (Daqing, China), Xiaoqing Zhao (Daqing, China), Binhui Li (Daqing, China), Ying Yang (Daqing, China), Rui Wang (Daqing, China), Jiangtao Li (Daqing, China) and Lidong Zhao (Daqing, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a method for quantitative evaluation on a sensitivity of a shale oil and gas re...