Application of 3D prestack depth migration in CB area of Jiangsu Province;

Realization of 3D prestack depth migration in frequency-wavenumber domain;

The project related to 3D prestack depth migration of synthetic source records is studied in this dissertation.

3-D prestack depth migration on massive parallel processing system;

It solves out the required multi-valued traveltime and amplitude at the uniform dispersed grids efficiently when applied to 3-D prestack depth migration.

The conventional imaging methods in time domain can not fulfill requirements for complex geologic area, so we have to do depth domain imaging, especially doing 3-D prestack depth migration(PSDM).

D prestack depth migration is an ideal seismic data imaging technique for the area where there occur very complicated geologic structure and severe lateral velocity variation.

Based on 2 D prestack depth migration and the creation of migration velocity model , the authors have studied and realized the method and software of variable range 3 D prestack depth migration .

In the paper, 3-D prestack depth migration for the SEG/EAEG salt model with the split step method(SSF) is investigated.

Building of 3D pre-stack depth migration velocity model under deep volcanic environment in northern Songliao Basin;

Large-scale parallel comput at ion of 3-D pre-stack Kirchhoff depth migration requires efficient storage of t ravel-times.