ALEXANDRIA, Va., June 18 -- United States Patent no. 12,326,533, issued on June 10, was assigned to China National Petroleum Corp. (Beijing) and BGP Inc. China National Petroleum Corp. (Hebei, China).
"Method and apparatus for removing tube wave interference from optical fiber acoustic wave sensing seismic data" was invented by Yanpeng Li (Beijing) and Fei Li (Beijing).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for removing tube wave interference from optical fiber acoustic wave sensing seismic data, including: acquiring seismic wavefield data which contains a tube wave and is collected by an optical fiber acoustic wave sensing instrument; calculating a root-mean-square amplitude of the waveform ...