ALEXANDRIA, Va., June 19 -- United States Patent no. 12,332,398, issued on June 17, was assigned to China University of Petroleum (East China) (Qingdao, China).
"Pore pressure prediction method and system for fine-grained hybrid sedimentary rock based on variable p-wave velocity" was invented by Dianshi Xiao (Qingdao, China), Rui Wang (Qingdao, China), Min Wang (Qingdao, China), Zhuo Li (Qingdao, China), Yingjie Liu (Qingdao, China) and Xian Shi (Qingdao, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A pore pressure prediction method for fine-grained hybrid sedimentary rock based on variable P-wave velocity includes: carrying out a P-wave velocity test of rock under different effective stresses, deter...