US Patent Issued to CHINA PETROLEUM & CHEMICAL on July 21 for "Method and apparatus for adaptive cross-correlation based full waveform inversion" (Texas Inventor)

ALEXANDRIA, Va., July 21 -- United States Patent no. 12,687,649, issued on July 21, was assigned to CHINA PETROLEUM & CHEMICAL Corp. (Beijing).

"Method and apparatus for adaptive cross-correlation based full waveform inversion" was invented by Xuejian Liu (Houston).

According to the abstract* released by the U.S. Patent & Trademark Office: "Method and apparatus for performing a traveltime-based seismic full waveform inversion using the frequency-dependent Hann window and the source-independent scheme to generate a final velocity model of subsurface formations are provided. The method includes positioning seismic data recording sensors in the survey region; blasting at points of incidence in the survey region to generate seismic waves; and...