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Multisource Least-squares Migration of Marine Data

Multisource Least-squares Migration of Marine Data

Multisource Least-squares Migration of Marine Data. Xin Wang & Gerard Schuster Nov 7, 2012. Outline. Motivation Gain high quality image by least-squares migration Improve the efficiency by multisource technique Theory Multisource Kirchhoff migration Multisource least-squares migration

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538 views • 32 slides
Mitigation of RTM Artifacts with Migration Kernel Decomposition

Mitigation of RTM Artifacts with Migration Kernel Decomposition

Mitigation of RTM Artifacts with Migration Kernel Decomposition. Ge Zhan* and Gerard T. Schuster. King Abdullah University of Science and Technology. June 7, 2012. Outline. 0. 0. Introduction Method Examples Two-layer model BP salt model Conclusions. 2 km/s. Depth ( km ).

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329 views • 25 slides
Least-squares Reverse Time Migration with Frequency-selection Encoding for Marine Data

Least-squares Reverse Time Migration with Frequency-selection Encoding for Marine Data

Least-squares Reverse Time Migration with Frequency-selection Encoding for Marine Data. Wei Dai, WesternGeco Yunsong Huang and Gerard T. Schuster , King Abdulla University of Science and Technology. Sep 26, 2013. Outline. Introduction and Overview. Theory Single frequency modeling

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425 views • 24 slides
Least Squares Migration

Least Squares Migration

Least Squares Migration. d=Lm. Forward Model:. m mig =L T d. Standard Migration:. m =[L T L] -1 L T d. Migration Decon:. Least Sq. Migration :. m =[L T L] -1 m. mig. 5D input. 3D input. Motivation: Poor Acquisition Geomtery. Motivation: Poor Illumination. *. g. SALT.

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396 views • 15 slides

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