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An effective noise-suppression technique for surface microseismic data

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An effective noise-suppression technique for surface microseismic data; 2013; Article; Journal; Geophysics; Forghani-Arani , Farnoush; Willis, Mark; Haines, Seth S.; Batzle, Mike; Behura, Jyoti; Davidson, Michael

Summary

The presence of strong surface-wave noise in surface microseismic data may decrease the utility of these data. We implement a technique, based on the distinct characteristics that microseismic signal and noise show in the τ‐p domain, to suppress surface-wave noise in microseismic data. Because most microseismic source mechanisms are deviatoric, preprocessing is necessary to correct for the nonuniform radiation pattern prior to transforming the data to the τ‐p domain. We employ a scanning approach, similar to semblance analysis, to test all possible double-couple orientations to determine an estimated orientation that best accounts for the polarity pattern of any microseismic events. We then correct the polarity of the data traces according [...]

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Type Scheme Key
local-index unknown 70093893
local-pk unknown 70093893
doi http://www.loc.gov/standards/mods/mods-outline-3-5.html#identifier doi:10.1190/GEO2012-0502.1
series unknown Geophysics

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journalGeophysics
parts
typevolume
value78
typeissue
value6
languageEnglish
citationTypeArticle

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