US Patent Issued to INSTITUTE OF GEOLOGY AND GEOPHYSICS, CHINESE ACADEMY OF SCIENCES on March 25 for "Sand shale formation lithology evaluation method and system for precise deep oil and gas navigation" (Chinese Inventors)

ALEXANDRIA, Va., March 26 -- United States Patent no. 12,259,513, issued on March 25, was assigned to INSTITUTE OF GEOLOGY AND GEOPHYSICS, CHINESE ACADEMY OF SCIENCES (Beijing).

"Sand shale formation lithology evaluation method and system for precise deep oil and gas navigation" was invented by Fei Tian (Beijing), Wenhao Zheng (Beijing), Qingyun Di (Beijing), Yongyou Yang (Beijing) and Wenjing Cao (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "A sand shale formation lithology evaluation method and system for precise deep oil and gas navigation aims to solve the problem in the prior art, that is, the accuracy of the logging-while-drilling (LWD) azimuthal resistivity is insufficient due to an equipmen...