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2011•Geophysical and Geochemical ExplorationRequires access

A COMPARISON OF THE APPLICATION EFFECTS OF SEVERAL PRESTACK DEPTH MIGRATION TECHNIQUES

Tan Tao

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Abstract

Based on reviewing the development of prestack depth migration,this paper has summed up several current prestack depth migration techniques,i.e.,Kirchhoff integration,wave equation,and reverse-time migration.On the basis of analyzing the prestack depth migration imaging method in such aspects as wavefield,applicability,sensitivity of the near-surface condition and existing problems,the authors made a comparative study of different migration imaging results by comparing the migration sections,indicated the development orientation of the prestack depth migration and put forward some proposals for further study of prestack depth migration.

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What this paper is about

Based on reviewing the development of prestack depth migration,this paper has summed up several current prestack depth migration techniques,i.e.,Kirchhoff integration,wave equation,and reverse-time migration.On the basis of analyzing the prestack depth migration imaging method in such aspects as wavefield,applicability,sensitivity of the near-surface condition and existing problems,the authors made a comparative study of different migration imaging results by comparing the migration sections,indicated the development orientation of the prestack depth migration and put forward some proposals for further study of prestack depth migration.

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Available abstract

Based on reviewing the development of prestack depth migration,this paper has summed up several current prestack depth migration techniques,i.e.,Kirchhoff integration,wave equation,and reverse-time migration.On the basis of analyzing the prestack depth migration imaging method in such aspects as wavefield,applicability,sensitivity of the near-surface condition and existing problems,the authors made a comparative study of different migration imaging results by comparing the migration sections,indicated the development orientation of the prestack depth migration and put forward some proposals for further study of prestack depth migration.

Key concepts: Prestack, Geology, Seismology, Computer science

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