US Patent Issued to CHINA PETROLEUM & CHEMICAL, SINOPEC PETROLEUM ENGINEERING TECHNOLOGY RESEARCH INSTITUTE on Nov. 25 for "State self-adaptive turbine type pulse generator and downhole drilling tool" (Chinese Inventors)

ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,480,365, issued on Nov. 25, was assigned to CHINA PETROLEUM & CHEMICAL Corp. (Beijing) and SINOPEC PETROLEUM ENGINEERING TECHNOLOGY RESEARCH INSTITUTE Co. LTD. (Beijing).

"State self-adaptive turbine type pulse generator and downhole drilling tool" was invented by Jiachang Wang (Beijing), Guangjun Ma (Beijing), Haiping Zhang (Beijing), Yanbin Zang (Beijing), Lingchao Xuan (Beijing), Dongqing Zhang (Beijing), Jianhua Liu (Beijing), Renlong Zhang (Beijing) and Lishuang Wang (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "A turbine type pulse generator for downhole drilling tool has a pulse generating device (2), which has a turbine housing (21), a...