Separation of frequency-dependent scattering and inelastic absorption by waveform inversion of VSP data constrained by well logs-Reference-Cited by-同舟云学术

Separation of frequency-dependent scattering and inelastic absorption by waveform inversion of VSP data constrained by well logs

Published:2019-08-28 Issue:4 Volume: Page:94-97
ISSN:0579-9406
Container-title:Moscow University Bulletin. Series 4. Geology
language:
Short-container-title:Vestnik Moskovskogo universiteta. Seriâ 4, Geologiâ

Author:

Pirogova A. S.¹

Affiliation:

1. Moscow State University; Curtin University

Abstract

The paper presents an approach to estimation of frequency-dependent attenuation of seismic waves propagating in the earth subsurface. The approach is based on the waveform inversion of vertical seismic profiling data acquired in a borehole. Incorporation of well log data (in particular, sonic and density logs) in the forward modelling routine allows for separation of two factors that cause frequency-dependent seismic attenuation. In particular, the inversion facilitates separation of 1D scattering versus inelastic absorption in the horizontally layered subsurface.

Publisher

Faculty of Geology Lomonosov Moscow State University

Subject

General Earth and Planetary Sciences,General Environmental Science

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