A field data example of Marchenko multiple elimination

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Abstract

Multiple reflections are often considered as noise in seismic data. Dealing with them has attracted much attention from industry and academia. A variety of schemes have been developed for removal of free-surface multiple reflections and success has been achieved in numerical and field datasets. However, less attention has been directed toward internal multiple reflection removal. The Marchenko multiple elimination scheme is capable to eliminate internal multiple reflections without model information or adaptive subtraction. This scheme is derived from coupled Marchenko-type equations by projecting the focusing functions from the focusing level back to the acquisition surface. Primary reflections are filtered from acquired seismic data. We apply the Marchenko multiple elimination scheme to a deep water 2D field dataset from the Norwegian North Sea to test the performance. We show that the Marchenko multiple elimination scheme is an appropriate method for removing internal multiple reflections when high-quality pre-processing is performed.
Original languageEnglish
Title of host publicationSEG Technical Program Expanded Abstracts 2019
PublisherSEG
Pages4535-4539
Number of pages5
DOIs
Publication statusPublished - 2019
EventSEG International Exposition and 89th Annual Meeting - San Antonio, United States
Duration: 15 Sep 201920 Sep 2019
https://seg.org/annual-meeting-2019

Conference

ConferenceSEG International Exposition and 89th Annual Meeting
Abbreviated titleSEG19
CountryUnited States
CitySan Antonio
Period15/09/1920/09/19
Internet address

Keywords

  • 2D
  • multiples
  • field experiments

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