Obtaining angle-dependent reflectivity using the Marchenko redatuming method

H.S.A. Alfaraj, J.A. Brackenhoff, K. Wapenaar

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When reflection images are studied, often only the zero-offset reflectivity is considered, however, taking into account the angle-dependent reflectivity can add additional information about the subsurface. This additional information can be used to extract the properties of the subsurface using amplitude variation with offset (AVO) analysis. However, the presence of a complex overburden can significantly deteriorate the AVO response, especially for deep targets. To overcome this problem, the overburden effects can be removed by redatuming the reflection response at a depth level below the overburden. In this paper, we show that the Marchenko redatuming method has the potential to correctly retrieve the angle-dependent reflectivity in an acoustic medium without distortions due to multiple scattering. The retrieved angle-dependent reflection coefficients can be used as input in a subsequent inversion process to obtain the velocity and density of the subsurface.
Original languageEnglish
Title of host publication82nd EAGE Conference & Exhibition 2020
Subtitle of host publication8-11 June 2020, Amsterdam, The Netherlands
Number of pages3
Publication statusPublished - 2020
Event82nd EAGE Annual Conference & Exhibition (postponed) - Amsterdam, Netherlands
Duration: 14 Jun 202117 Jun 2021


Conference82nd EAGE Annual Conference & Exhibition (postponed)
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