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Fast 3D target-oriented reverse-time datuming

01 December 2009
Imaging of subsalt sediments is a challenge for traditional migration methods such as Kirchhoff and one-way waveequation migration. Consequently, the more.

Subsalt velocity update and composite imaging using reverse-time-migration based delayed-imaging-time scan

01 December 2009
Subsalt wave-equation based migration (WEM) scan is an effective way for subsalt velocity updating, and has become an industry standard practice; however,.