| Autor: |
Jean-Luc Boelle, Amhed Belmokhtar, Abdeljebbar Ladmek, Didier Lecerf |
| Rok vydání: |
2010 |
| Předmět: |
|
| Zdroj: |
GEO 2010. |
| DOI: |
10.3997/2214-4609-pdb.248.162 |
| Popis: |
Wide azimuth acquisition provides full azimuthal illumination of the subsurface structures for a more accurate image. Additionally, analysing azimuthal variations of the seismic response may offer information on fracture orientation. To meet both objectives, it is essential that the wide azimuth character of the data is preserved throughout the processing sequences in order to get full benefit of true 3D algorithms. In this perspective, the use of the offset vector binning concept on dense wide azimuth datasets is advantageous as it preserves offset and azimuth information even after migration. The offset vector binning uses the same cartesian system as the acquisition geometry and hence ensures an optimum distribution of seismic traces in each Common Offset Vector (COV) volume. Conventional sectoring approach using polar coordinate system provides cubes with holes and over folds, which requires an offset and azimuth interpolation process with careful fold compensation. |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
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