US Patent Issued to Changzhou University on Feb. 10 for "Method of fabricating surfactant for improving the recovery rate of oil reservoirs in low-permeability sandstone" (Chinese Inventors)

ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,545,829, issued on Feb. 10, was assigned to Changzhou University (Changzhou, China).

"Method of fabricating surfactant for improving the recovery rate of oil reservoirs in low-permeability sandstone" was invented by Jiajia Bai (Changzhou, China), Lei Tao (Changzhou, China), Wenyang Shi (Changzhou, China), Na Zhang (Changzhou, China), Zhengxiao Xu (Changzhou, China), Qingjie Zhu (Changzhou, China), Yunpeng Ma (Changzhou, China), Mingzhu Liu (Changzhou, China), Shuanghu Si (Changzhou, China), Zhu Ren (Changzhou, China), Tianshuai Gu (Changzhou, China), Haichi Shang (Changzhou, China), Yahu Liu (Changzhou, China), Yaxuan Zhang (Changzhou, China) and Yueyang Wang (Changzhou, China).

Acco...