Structural uncertainty of time-migrated seismic images

Sergey Fomel; Evgeny Landa

doi:10.1016/j.jappgeo.2013.11.010

Structural uncertainty of time-migrated seismic images

Sergey Fomel^*, Evgeny Landa

^*Corresponding author for this work

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

46 Scopus citations

Abstract

Structural information in seismic images is uncertain. The main cause of this uncertainty is uncertainty in velocity estimation. We adopt the technique of velocity continuation for estimating velocity uncertainties and corresponding structural uncertainties in time-migrated images. Data experiments indicate that structural uncertainties can be significant even when both structure and velocity variations are mild.

Original language	English
Pages (from-to)	27-30
Number of pages	4
Journal	Journal of Applied Geophysics
Volume	101
DOIs	https://doi.org/10.1016/j.jappgeo.2013.11.010
State	Published - Feb 2014
Externally published	Yes

Keywords

Prestack time migration
Seismic imaging
Uncertainty quantification
Velocity analysis

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10.1016/j.jappgeo.2013.11.010

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title = "Structural uncertainty of time-migrated seismic images",

abstract = "Structural information in seismic images is uncertain. The main cause of this uncertainty is uncertainty in velocity estimation. We adopt the technique of velocity continuation for estimating velocity uncertainties and corresponding structural uncertainties in time-migrated images. Data experiments indicate that structural uncertainties can be significant even when both structure and velocity variations are mild.",

keywords = "Prestack time migration, Seismic imaging, Uncertainty quantification, Velocity analysis",

author = "Sergey Fomel and Evgeny Landa",

year = "2014",

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doi = "10.1016/j.jappgeo.2013.11.010",

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AU - Fomel, Sergey

AU - Landa, Evgeny

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N2 - Structural information in seismic images is uncertain. The main cause of this uncertainty is uncertainty in velocity estimation. We adopt the technique of velocity continuation for estimating velocity uncertainties and corresponding structural uncertainties in time-migrated images. Data experiments indicate that structural uncertainties can be significant even when both structure and velocity variations are mild.

AB - Structural information in seismic images is uncertain. The main cause of this uncertainty is uncertainty in velocity estimation. We adopt the technique of velocity continuation for estimating velocity uncertainties and corresponding structural uncertainties in time-migrated images. Data experiments indicate that structural uncertainties can be significant even when both structure and velocity variations are mild.

KW - Prestack time migration

KW - Seismic imaging

KW - Uncertainty quantification

KW - Velocity analysis

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SN - 0926-9851

VL - 101

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JO - Journal of Applied Geophysics

JF - Journal of Applied Geophysics

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Structural uncertainty of time-migrated seismic images

Abstract

Keywords

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