Passive seismic imaging at depth using ambient noise fields recorded in a shallow buried sensor array

Nader A. Issa; David Lumley

doi:10.1071/ASEG2015ab135

24th International Geophysical Conference and Exhibition – Geophysics and Geology Together for Discovery

ISSN: 2202-0586
E-ISSN:

oa Passive seismic imaging at depth using ambient noise fields recorded in a shallow buried sensor array
Authors Nader A. Issa^a and David Lumley^b
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^a University of Western AustraliaSchool of Earth and Environment, M004, 35 Stirling Highway, Crawley, , WA, , Australia, 6009, [email protected] ^b University of Western AustraliaSchool of Physics, School of Earth and Environment, M004, 35 Stirling Highway, Crawley, , WA, , Australia, 6009, [email protected]
Publisher: Australian Society of Exploration Geophysicists
Source: ASEG Extended Abstracts, Volume 2015, Issue 24th International Geophysical Conference and Exhibition – Geophysics and Geology Together for Discovery, Dec 2015, p. 1 - 4
DOI: https://doi.org/10.1071/ASEG2015ab135
- Published online: 01 Dec 2015

Abstract

A small scale field trial of a buried receiver array is used to generate passive recordings during a period of minimal human activity at the site of the array. We carefully analyse the data to reveal a number of valuable insights. In particular, we find that shallow burial of the geophones improves noise levels significantly and in a strongly frequency dependent manner. By isolating ambient seismic noise, which is a significant noise contribution in the frequency range from 3Hz to 30Hz, we show it is possible to utilize this seismic energy for the purpose of deep imaging. We successfully use advanced techniques of seismic interferometry to produce images to reservoir depth (~2km) and below, which show very good agreement with 3D seismic images taken on site.

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2015-12-01

2026-01-23

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References

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Claerbout, J., 1979, Fundamentals of geophysical data processing, Stanford Exploration Project, Report 20, pg. 257.
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Pevzner, R., Dupuis, C., Shulakova, V., Urosevic, M., and Lumley, D., 2013. Improving time-lapse seismic repeatability: CO2CRC Otway site permanent geophone array field trials, EGU General Assembly, Vol. 15, EGU2013-13617-1.
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Schuster, G.T., 2009, Seismic Interferometry, Cambridge University Press.
Shulakova, V., Pevzner, R., Dupuis, C., Urosevic, M. and Lumley, D., 2013., Improving Time-lapse Seismic Repeatability - CO2CRC Otway Site Permanent Geophone Array Field Trials, Proceedings of the 75th EAGE Conference & Exhibition, London.
Wapenaar, K., Draganov, D., Snieder, R., Campman, X., Verdel, A., 2010a, Tutorial on seismic interferometry: Part 1 - Basic principles and applications, Geophysics, Vol. 75, Issue 5, pg. 75A195 - 75A209.
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Urosevic, M., Pevzner, R., Shulakova, V., Kepic, A., Caspari, E., and Sharma, S., 2011, Seismic monitoring of CO2 injection into a depleted gas reservoir - Otway Basin Pilot Project, Australia, Energy Procedia, Vol. 4, pg. 3550-3557.

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Article Type: Research Article

Keyword(s): Ambient noise; Array; Monitoring; Passive; Seismic

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