Time-lapse seismic registration and inversion for CO 2 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 CO 2 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 CO 2 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 - Jan 1 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
CountryUnited States
CityHouston
Period9/22/139/27/13

All Science Journal Classification (ASJC) codes

  • Geophysics

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