Theory of multisource crosstalk reduction by phase-encoded statics

Gerard Schuster, Wei Dai, Ge Zhan, Chaiwoot Boonyasiriwat

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

10 Scopus citations

Abstract

Formulas are derived that relate the strength of the crosstalk term in multisource imaging to the variance of random changes in static time, amplitude, and polarity changes in phaseencoded supergathers. Analysis reveals that the crosstalk term is exponentially reduced with increasing variance of the static shift and increasing source frequency. Formula also suggest, under ideal circumstances, that the number of iterations should linearly increase with the number of shot gathers/supergather to achieve acceptable accuracy in the final image. These conclusions should be valid for least squares migration or waveform inversion of phase-encoded multisource supergathers.

Original languageEnglish (US)
Title of host publicationSociety of Exploration Geophysicists International Exposition and 80th Annual Meeting 2010, SEG 2010
PublisherSociety of Exploration Geophysicists
Pages3110-3114
Number of pages5
ISBN (Print)9781617389801
StatePublished - Jan 1 2010
EventSociety of Exploration Geophysicists International Exposition and 80th Annual Meeting 2010, SEG 2010 - Denver, United States
Duration: Oct 17 2010Oct 22 2010

Publication series

NameSociety of Exploration Geophysicists International Exposition and 80th Annual Meeting 2010, SEG 2010

Conference

ConferenceSociety of Exploration Geophysicists International Exposition and 80th Annual Meeting 2010, SEG 2010
CountryUnited States
CityDenver
Period10/17/1010/22/10

ASJC Scopus subject areas

  • Geophysics

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