US Patent Issued to CHINA UNIVERSITY OF PETROLEUM (EAST CHINA), Qingdao Zhongshi Intelligent Drilling Techology on April 15 for "Electromagnetic reversal downhole pressure intensifier" (Chinese Inventors)

ALEXANDRIA, Va., June 5 -- United States Patent no. 12,276,191, issued on April 15, was assigned to CHINA UNIVERSITY OF PETROLEUM (EAST CHINA) (Qingdao, China) and Qingdao Zhongshi Intelligent Drilling Techology Co. LTD (Qingdao, China).

"Electromagnetic reversal downhole pressure intensifier" was invented by Hualin Liao (Qingdao, China), Yuhang He (Qingdao, China), Wenlong Niu (Qingdao, China), Jilei Niu (Qingdao, China), Huajian Wang (Qingdao, China), Yuntao Liao (Qingdao, China), Yucai Shi (Qingdao, China) and Jinkai Chen (Qingdao, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electromagnetic reversal downhole pressure intensifier is provided, including a pressure intensifier and a drill bit. A ...