Abstract
In this chapter, practical aspects of the most common migration techniques are explained and discussed; the mathematical foundation of migration algorithms is not addressed. The chapter starts with the migration concept and definition of different migration types, and it shows the effects of migration on real data examples. It represents the most common migration types, such as Kirchhoff, finite-difference, frequency-wavenumber (f-k) and reverse time migration (RTM), as well as different migration implementations, such as poststack and prestack migration, depth migration, 3D migration and dip moveout (DMO). Selection of the most suitable parameters and their effects on the real seismic data are discussed in detail, with several real data examples. A comprehensive quality control (QC) section is also provided, which represents the advantages, disadvantages, and application restrictions of different migration schemes with a description of the most suitable migration type for different geological settings.
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