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Interferometric surface-wave isolation and removal

By
David F. Halliday
David F. Halliday
University of Edinburgh, Grant Institute of Earth Science, Edinburgh, Scotland, United Kingdom. E-mail: d.f.halliday@sms.ed.ac.uk.
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Andrew Curtis
Andrew Curtis
University of Edinburgh, Grant Institute of Earth Science, Edinburgh, Scotland, United Kingdom, and Edinburgh Collaborative of Subsurface Science and Engineering (ECOSSE). E-mail: andrew.curtis@ed.ac.uk.
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Johan O. A. Robertsson
Johan O. A. Robertsson
WesternGeco London Technology Centre, Schlumberger House, Gatwick, United Kingdom. E-mail: jrobertsson@gatwick.westerngeco.slb.com; dmanen @gatwick.westerngeco.slb.com.
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Dirk-Jan van Manen
Dirk-Jan van Manen
WesternGeco London Technology Centre, Schlumberger House, Gatwick, United Kingdom. E-mail: jrobertsson@gatwick.westerngeco.slb.com; dmanen @gatwick.westerngeco.slb.com.
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Published:
January 01, 2008

Abstract

The removal of surface waves (ground roll) from land seismic data is critical in seismic processing because these waves tend to mask informative body-wave arrivals. Removal becomes difficult when surface waves are scattered, and data quality is often impaired. We apply a method of seismic interferometry, using both sources and receivers at the surface, to estimate the surface-wave component of the Green’s function between any two points. These estimates are subtracted adaptively from seismic survey data, providing a new method of ground-roll removal that is not limited to nonscattering regions.

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Contents

Society of Exploration Geophysicists Geophysics Reprint Series

Seismic Interferometry: History and Present Status

Kees Wapenaar
Kees Wapenaar
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Deyan Draganov
Deyan Draganov
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Johan O.A. Robertsson
Johan O.A. Robertsson
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Society of Exploration Geophysicists
Volume
26
ISBN electronic:
9781560801924
Publication date:
January 01, 2008

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