Employing internal multiples in time-lapse seismic monitoring, using the Marchenko method

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Abstract

Time-lapse seismic monitoring aims at resolving changes in a producing reservoir from changes in the reflection response. When the changes in the reservoir are very small, the changes in the seismic response can become too small to be reliably detected. In theory, multiple reflections can be used to improve the detectability of traveltime changes: a wave that propagates several times down and up through a reservoir layer will undergo a larger time shift due to reservoir changes than a primary reflection. Since we are interested in monitoring very local changes (usually in a thin reservoir layer), it would be advantageous if we could identify the reservoir-related internal multiples in the complex reflection response of the entire subsurface. We introduce a Marchenko-based method to isolate these multiples from the complete reflection response and illustrate the potential of this method with numerical examples.
Original languageEnglish
Title of host publication82nd EAGE Annual Conference & Exhibition Workshop Programme
PublisherEAGE
Pages1-5
Number of pages5
Volume2020
DOIs
Publication statusPublished - 2020
Event82nd EAGE Annual Conference & Exhibition
- Amsterdam, Netherlands
Duration: 18 Oct 202121 Oct 2021
https://eage.eventsair.com/eageannual2021/

Publication series

NameConference Proceedings
PublisherEAGE
ISSN (Electronic)2214-4609

Conference

Conference82nd EAGE Annual Conference & Exhibition
CountryNetherlands
CityAmsterdam
Period18/10/2121/10/21
Internet address

Bibliographical note

Accepted Author Manuscript

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