Feasibility of estimating time-lapse Q: A modeling example

  • Ludmila Adam
  • , Michael Batzle
  • , Kasper Van Wijk

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

Abstract

Brine substituting for a light oil in a reservoir production scenario is analyzed with synthetic seismograms to assess the feasibility of using time-lapse or change in compressional attenuation as a monitoring technique. In light of the large relative changes in intrinsic attenuation observed in the laboratory due to brine substitution, time-lapse attenuation observations are an attractive monitoring tool. When fluid substitution occurs, we show quantitatively that time-lapse apparent attenuation is dominated by the change in intrinsic attenuation rather than scattering attenuation, so that we are still able to extract the proper time-lapse intrinsic attenuation. Although apparent attenuation is sensitive to receiver separation and random noise, we are still able to predict time-lapse intrinsic attenuation for these synthetic traces.

Original languageEnglish
Title of host publicationSociety of Exploration Geophysicists International Exposition and 80th Annual Meeting 2010, SEG 2010
PublisherSociety of Exploration Geophysicists
Pages4215-4220
Number of pages6
ISBN (Print)9781617389801
DOIs
StatePublished - 2010
EventSociety of Exploration Geophysicists International Exposition and 80th Annual Meeting 2010, SEG 2010 - Denver, United States
Duration: 17 Oct 201022 Oct 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
Country/TerritoryUnited States
CityDenver
Period17/10/1022/10/10

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