US Patent Issued to CHINA OILFIELD SERVICES on July 15 for "Coring and sampling integrated sub and downhole instrument" (Chinese Inventors)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,359,519, issued on July 15, was assigned to CHINA OILFIELD SERVICES Ltd. (Tianjin, China).

"Coring and sampling integrated sub and downhole instrument" was invented by Yongren Feng (Hebei, China), Tao Lu (Hebei, China), Lin Huang (Hebei, China), Shusheng Guo (Hebei, China), Xiaodong Chu (Hebei, China), Kun Xu (Hebei, China), Tiemin Liu (Hebei, China), Yongchao Chen (Hebei, China), Yongzeng Xue (Hebei, China), Xinhuo Weng (Hebei, China), Guoqiang Zhang (Hebei, China), Suogui Shang (Hebei, China), Yang Shen (Hebei, China) and Ya Jin (Hebei, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A coring and sampling integrated sub, including an integrally f...