ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,487,372, issued on Dec. 2, was assigned to Chengdu University of Technology (Chengdu, China).

"Seismic quantitative prediction method for shale TOC based on sensitive parameter volumes" was invented by Chaorong Wu (Chengdu, China), Cheng Liu (Chengdu, China), Kaixing Huang (Chengdu, China), Yong Li (Chengdu, China), Yizhen Li (Chengdu, China), Junxiang Li (Chengdu, China) and Yuexiang Hao (Chengdu, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A seismic quantitative prediction method for shale total organic carbon (TOC) based on sensitive parameter volumes is as follows. A target stratum for a TOC content to be measured is determined, logging curv...