A novel, de-aliased method called Stepwise Multiple Elimination using Linear Transforms (SMELT) is introduced as an alternative to 2-D Surface Related Multiple Elimination (SRME) to remove...
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Seismic Data, Processing, Technology, Well Data Reports and Industry and Trade Publication Features, from the Experts at TGS
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Author: TGS
In the implementation of TTI RTM, we meet stability problems and demands for speedup. Staggered Fourier first derivative and linear interpolation improves stability and accuracy. Areas with high...
Author: TGS
A joint contractor-company project was undertaken to evaluate the practicality and utility of shallow high resolution reprocessing of large deepwater exploration 3D seismic surveys. An approximately...
Author: TGS
In efforts to further improve final migrated images we have developed a new methodology for post-migration multiple removal in the migration depth domain. The typical input for the prediction phase...
Author: TGS
We present a case study of enhanced imaging of wideazimuth data from the Gulf of Mexico utilizing recent technologies; and we discuss the resulting improvements in image quality, especially in...
Author: TGS
A data driven 3D true azimuth surface related multiple elimination (SRME) technique can be quite effective in removing surface related multiples for both narrow azimuth (NAZ) surveys as well as wide...
Author: Gary Rodriguez
The long history of imaging in this area will be reviewed. Incremental improvements in data quality and interpretability will be shown. Processing efforts started with a grid of 2D lines using PSTM...