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Modified Form of Reverse Time Migration Tuned to MultipleNormal access

Authors: G. T. Schuster, G. Zhan and Y. Luo
Event name: 72nd EAGE Conference and Exhibition incorporating SPE EUROPEC 2010
Session: Seismic and GPR Diffraction Modeling and Imaging (EAGE)
Publication date: 14 June 2010
DOI: 10.3997/2214-4609.201401322
Organisations: SPE, EAGE
Language: English
Info: Extended abstract, PDF ( 373.91Kb )
Price: € 20

Summary:
Recent field tests show the feasibility of achieving superresolution in migration images. To partly realize this with practical exploration data, we introduce a modified form of reverse time migration, denoted as GDM, with an imaging condition tuned to multiple scattered events. GDM imaging of the SEG/EAGE synthetic data shows higher resolution in the migration image, but at the expense of an increased noise level. A limitation is that superresolution property can only be achieved with a highly accurate velocity model.


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