Interferometric directional balancing

Details Interferometric directional balancing Interferometric directional balancing

G - Physics

01

V

G01V 1/36 (2006.01)

Patent

CA 2677402

A method for estimating seismic data from sources of noise in the earth. The method includes calculating a first set of Green's functions between a first seismic receiver and each seismic receiver of an array of seismic receivers using interferometry. The array of seismic receivers is disposed around the first seismic receiver, and the first seismic receiver is part of the array of seismic receivers. The method also includes calculating one or more correction factors to correct the first set of Green's functions and calculating a second set of Green's functions between each seismic receiver of the array and a second seismic receiver using interferometry. Here, the first seismic receiver is disposed at a predetermined distance away from the second seismic receiver. Also, the first set and the second set of Green's functions are biased due to non-identical strengths of the sources of noise. The method then applies the correction factors to the second set of Green's functions to create a set of unbiased Green's functions between each seismic receiver of the array and the second seismic receiver.

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