2010
8th Biennial International Conference & Explosition on Petrolelum Geophysics
The GPU/CPU based Fourier integration depth migration: algorithm and implementation
Published in GEOHORIZONS - 2010
- Vol.
- ISSN NO :
- DOI Link
Hongwei Liu* and Hong Liu Key Laboratory of integrative researches on geophysics for petroleum, Institute of Geology and Geophysics, Chinese Academy of Science, Beijing
Abstract
We develop a new one-way wave prestack depth migration method called Fourier integration (FI) method which uses the exact extrapolation operator and the exact velocity model without any approximations or assumptions. The work is performed on a CUDA (Compute Unified Device Architecture) based Graphic Processing Unit (GPU). Compared to the traditional one way wave method, the GPU version FI method is faster and more accurate in the presence of severe lateral-velocity variations.