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3D Weak-Dispersion Reverse-Time Migration with a StereoModeling Method 

Li, Jingshuang; Fehler, Michael; Yang, Dinghui; Huang, Xueyuan (Massachusetts Institute of Technology. Earth Resources Laboratory, 2013)
The finite difference method has been widely used in seismic modeling and reverse time migration. However, it generally has two issues: large computational cost and numerical dispersion. Recently, a nearly-analytic discrete ...
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Converted Phase Elastic Migration Velocity Analysis 

Shabelansky, Andrey Hanan; Malcolm, Alison E.; Fehler, Michael; Shang, Xuefeng; Rodi, William L. (Massachusetts Institute of Technology. Earth Resources Laboratory, 2013)
Multi-component elastic seismic data collected at large offsets have the potential to be used in seismic imaging and velocity analysis. In this study, we present an approach for converted-phase elastic-transmission migration ...
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Interferometric imaging of multiples in an RTM approach 

Malcolm, Alison E.; de Hoop, Maarten V. (Massachusetts Institute of Technology. Earth Resources Laboratory, 2010)
It is well known that reverse-time migration is capable of correctly imaging multiply scattered energy. To do this, one of the interfaces from which the waves scatter must be included in the background velocity model. ...
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A multi-pass one way method to include turning waves and multiples 

Richardson, Alan; Malcolm, Alison E. (Massachusetts Institute of Technology. Earth Resources Laboratory, 2012)
Conventional one way migration methods exclude turning waves and multiples. We propose an algorithm that uses multiple passes to extend the one way method to efficiently include these wavepaths. A comparison of the images ...
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Reverse Time Migration in the presence of known sharp interfaces 

Richardson, Alan; Malcolm, Alison E. (Massachusetts Institute of Technology. Earth Resources Laboratory, 2013)
We propose using the forward propagated source wave to create synthetic receiver data on the surfaces of the computational domain where real receiver data is not available as a means of exploiting known information about ...

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AuthorMalcolm, Alison E. (4)Fehler, Michael (2)Richardson, Alan (2)de Hoop, Maarten V. (1)Huang, Xueyuan (1)Li, Jingshuang (1)Rodi, William L. (1)Shabelansky, Andrey Hanan (1)Shang, Xuefeng (1)Yang, Dinghui (1)Subject
Migration (5)
Imaging (3)Interferometry (1)Microseismic (1)migration velocity analysis (1)Multiples (1)VSP (1)... View MoreDate Issued2013 (3)2010 (1)2012 (1)Has File(s)Yes (5)

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