Suppressing the unwanted reflections of the full wave equation

Author:

Loewenthal Dan1,Stoffa Paul L.2,Faria Eduardo L.3

Affiliation:

1. Department of Geophysics, Tel Aviv University, Ramat‐Aviv, Tel‐Aviv 69978, Israel

2. University of Texas Institute for Geophysics and the Department of Geological Sciences, The University of Texas at Austin, Austin, Texas

3. Department of Geophysics, P.P.P.G., UFBA, Salvador, Bahia, Brazil

Abstract

In many instances in exploration geophysics we are interested in the so‐called one‐way wave equation. This equation allows the wave fields to propagate in the positive depth direction, but not in the reverse (−Z) direction. Some modeling and migration methods, such as the f-k method (Stolt, 1978) and the phase‐shift method (Gazdag, 1978), produce in a natural way the one‐way wave equation. The main advantage of the one‐way wave equation is that it does not give rise to multiples or interlayer reverberations and enables the observation of primary events only.

Publisher

Society of Exploration Geophysicists

Subject

Geochemistry and Petrology,Geophysics

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