US Patent Issued to CHINA PETROLEUM & CHEMICAL, SINOPEC (BEIJING) RESEARCH INSTITUTE OF CHEMICAL INDUSTRY on Aug. 5 for "Plugging agent for oil extraction in oilfield and a preparation method therefor and application thereof" (Chinese Inventors)

ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,378,460, issued on Aug. 5, was assigned to CHINA PETROLEUM & CHEMICAL Corp. (Beijing) and SINOPEC (BEIJING) RESEARCH INSTITUTE OF CHEMICAL INDUSTRY Co. LTD. (Beijing).

"Plugging agent for oil extraction in oilfield and a preparation method therefor and application thereof" was invented by Jinbiao Yang (Beijing), Zhuo Yi (Beijing), Xi Liu (Beijing), Lunyu Zhu (Beijing), Zhao Fang (Beijing), Xiaona Hu (Beijing), Yajing Li (Beijing) and Ruiqi Zhang (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to the field of oilfield plugging agents, and in particular to a plugging agent for oil extraction in an oilfield and a prepa...