US Patent Issued to Institute of Geology and Geophysics, Chinese Academy of Sciences on May 5 for "Calibration method for logging-while-drilling device" (Chinese Inventors)

ALEXANDRIA, Va., May 5 -- United States Patent no. 12,618,321, issued on May 5, was assigned to Institute of Geology and Geophysics, Chinese Academy of Sciences (Beijing).

"Calibration method for logging-while-drilling device" was invented by Xinghan Li (Beijing), Wenxiu Zhang (Beijing), Wenxuan Chen (Beijing), Jian Zheng (Beijing), Wenqiang Yuan (Beijing), Yali Zhang (Beijing) and Hong Li (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present application discloses a calibration method for a logging-while-drilling device, which is used for measuring data on the sea level and comprises the following steps: horizontally suspending the logging-while-drilling device; measuring amplitudes and phases ...