IMAGING THE NEAR SUBSURFACE WITH SURFACE CONSISTENT DECONVOLUTION OPERATORS

摘要

A method for imaging a near subsurface (500) computes for each trace in a plurality of traces an average amplitude and an auto-correlation spectrum within a pre-determined time window (504) and performs surface decomposition of autocorrelation spectra and average amplitudes for all seismic traces in the plurality of traces to decompose the seismic traces into a plurality of components (506). A plurality of predictive deconvolution operators is derived for the auto-correlation spectra of the plurality of components (508), and an image of the near subsurface is generated using the predictive deconvolution operators (512).