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Type: Journal article
Title: Microtremor spectra: A proven means for estimating resonant frequencies and S-wave velocities of shallow soils/sediments, but a questionable tool for locating hydrocarbon reservoirs
Author: Green, A.
Greenhalgh, S.
Citation: First Break, 2009; 27(JULY):43-50
Publisher: European Association of Geoscientists and Engineers
Issue Date: 2009
ISSN: 0263-5046
Statement of
Alan Green and Stewart Greenhalgh
Abstract: Over the past five years, established techniques for estimating the resonant frequencies and S-wave velocities of shallow soil/sediment layers using microtremor spectra in the 1-10 Hz frequency range have been implicitly challenged by members of an industry-university consortium who claim that these same spectra can be used to map the detailed locations, depths, and thicknesses of hydrocarbon-rich sediments. But recently published spectral attributes based on 1-10 Hz microtremor recordings and associated analyses suggest that any microtremor signals originating from relatively deep hydrocarbon reservoirs are likely to be overwhelmed by surface-waves and other seismic energy travelling through the near-surface soil/sediment layers.
Rights: © 2009 European Association of Geoscientists & Engineers (EAGE)
DOI: 10.3997/1365-2397.2009012
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Appears in Collections:Aurora harvest
Chemistry and Physics publications

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