ABSTRACT

Seismic interferometry (SI) is the process of retrieving new seismic responses from the cross-correlation, cross-convolution or deconvolution of existing seismic traces. When applying SI by cross-correlation (CC), one assumes a regular source distribution. For applications in the field this will not be easily achieved. For this reason, one can make use of SI by multi-dimensional deconvolution (MDD) (Wapenaar et al., 2008). This method makes use of matrices, where a row of a matrix contains responses for a fixed receiver position and variable source positions. The Green''s function is retrieved using a matrix inversion. An advantage of the MDD method is that it can compensate for irregular distribution and strength of the sources. An additional requirement of this method is that the data to be inverted need to be recorded with wide-aperture well-sampled receiver array. Contrary to this, SI by CC can be performed with recordings even at only two receivers.

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