US Patent Issued to SCHLUMBERGER TECHNOLOGY on May 5 for "Data-driven separation of upgoing free-surface multiples for seismic imaging" (British, Norwegian Inventors)

ALEXANDRIA, Va., May 5 -- United States Patent no. 12,618,994, issued on May 5, was assigned to SCHLUMBERGER TECHNOLOGY Corp. (Sugar Land, Texas).

"Data-driven separation of upgoing free-surface multiples for seismic imaging" was invented by Philippe Caprioli (Crawley, Great Britain) and Paal Kristiansen (Lysaker, Norway).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method includes receiving seismic data including signals collected using a receiver, the seismic data representing a subsurface volume, identifying a downgoing wavefield and an upgoing wavefield in the seismic data, identifying direct arrivals in the downgoing wavefield, estimating at least first-order multiple reflection signals in the upgoin...