Time-lapse seismic registration and inversion for CO2 sequestration study at Cranfield Part II: Pre-stack Analysis

Rui Zhang, Xiaolei Song, Sergey Fomel, Mrinal K. Sen, Sanjay Srinivasan

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Time-lapse seismic surveys have been implemented for monitoring CO2 sequestration at Cranfield. Some of the observed misalignments between the time-lapse datasets could have resulted from seismic acquisition or processing errors. To address this, we applied a registration method to correct misalignment between time-lapse post-stack seismic datasets. Such misalignments also exist in time-lapse pre-stack datasets, leading to the application of the same registration method on the time-lapse pre-stack datasets. The application of registration on the pre-stack datasets demonstrates its effectiveness on successfully separating time shift from time-lapse pre-stack AVA datasets. The improved consistency in the data allows us to invert time-lapse pre-stack datasets to capture time-lapse elastic property changes, which can be reliably used for monitoring of CO2 plume.

Original languageEnglish (US)
Title of host publicationSociety of Exploration Geophysicists International Exposition and 83rd Annual Meeting, SEG 2013
Subtitle of host publicationExpanding Geophysical Frontiers
PublisherSociety of Exploration Geophysicists
Pages5015-5020
Number of pages6
ISBN (Print)9781629931883
DOIs
StatePublished - 2008
EventSociety of Exploration Geophysicists International Exposition and 83rd Annual Meeting: Expanding Geophysical Frontiers, SEG 2013 - Houston, United States
Duration: Sep 22 2013Sep 27 2013

Publication series

NameSociety of Exploration Geophysicists International Exposition and 83rd Annual Meeting, SEG 2013: Expanding Geophysical Frontiers

Other

OtherSociety of Exploration Geophysicists International Exposition and 83rd Annual Meeting: Expanding Geophysical Frontiers, SEG 2013
Country/TerritoryUnited States
CityHouston
Period9/22/139/27/13

All Science Journal Classification (ASJC) codes

  • Geophysics

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