Patent ID: 9329290
Filing Date: 2016-05-03
CPC Classification: G01V

Claim Text:
1. A method for processing seismic traces to produce an image of a subsurface area, said method comprising: receiving a series of seismic traces related to the subsurface area and recorded by one or more seismic receivers; applying a 3 dimensional (3D) phase encoding function to the series of seismic traces to generate a 3D harmonic-source migration (h3D), wherein at least a portion of the series of seismic traces comprises signals reflected by geological interfaces of the subsurface area; computing a forward wavefield based on the 3D phase encoding function; computing a backward wavefield based on the 3D harmonic-source migration (h3D); and cross-correlating in a computing device the forward wavefield with the backward wavefield to generate an image of the subsurface.