Least squares datuming with the wave equation

Yanwei Xue; Gerard T. Schuster

doi:10.1190/1.3059354

Least squares datuming with the wave equation

Yanwei Xue^*, Gerard T. Schuster

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

10 Scopus citations

Abstract

The limited recording aperture of a surface seismic experiment promotes artifacts in extrapolated wavefields. To mitigate these errors, we introduce least squares datuming (LSD). Numerical results with synthetic data show that LSD significantly reduces the artifacts in datuming wave-fields recorded by narrow aperture arrays. Only inexpensive dot products of computed Green's functions with the data are required so this procedure is efficient for target-oriented reverse-time migration.

Original language	English (US)
Pages (from-to)	2366-2370
Number of pages	5
Journal	SEG Technical Program Expanded Abstracts
Volume	27
Issue number	1
DOIs	https://doi.org/10.1190/1.3059354
State	Published - Jan 2008
Externally published	Yes

Keywords

2D
Acoustic
Imaging
Least squares
Subsalt

ASJC Scopus subject areas

Geotechnical Engineering and Engineering Geology
Geophysics

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10.1190/1.3059354

Cite this

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abstract = "The limited recording aperture of a surface seismic experiment promotes artifacts in extrapolated wavefields. To mitigate these errors, we introduce least squares datuming (LSD). Numerical results with synthetic data show that LSD significantly reduces the artifacts in datuming wave-fields recorded by narrow aperture arrays. Only inexpensive dot products of computed Green's functions with the data are required so this procedure is efficient for target-oriented reverse-time migration.",

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AB - The limited recording aperture of a surface seismic experiment promotes artifacts in extrapolated wavefields. To mitigate these errors, we introduce least squares datuming (LSD). Numerical results with synthetic data show that LSD significantly reduces the artifacts in datuming wave-fields recorded by narrow aperture arrays. Only inexpensive dot products of computed Green's functions with the data are required so this procedure is efficient for target-oriented reverse-time migration.

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KW - Acoustic

KW - Imaging

KW - Least squares

KW - Subsalt

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Least squares datuming with the wave equation

Abstract

Keywords

ASJC Scopus subject areas

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