Aquisition Parameters | Processing Parameters | Data Sets | PDF
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Aquisition Parameters
Recording System: Sercel 388 / Eagle 2000
Energy Source: 640 and 1500 in.3 airgun arrays; dynamite
Spread Geometry: 2 lines of 192 channels GOM; 6 lines of 180 channels
Receiver Lines: 220 ft intervals; 1980 ft apart
Source Lines: 110 ft intervals; 1760 ft apart (airgun) / 220 ft intervals; 1980 ft apart (dynamite)
Nominal Fold: 9600% (airgun arrays) / 3000% (dynamite)
Cell Size: 110 x 110 ft
Average Far Offset: 20,000
Survey Completed: 1999
Processing Parameters
Field tape conversion
Geometry initialization and field statics computation
Spherical divergence compensation
Surface consistent deconvolution
Zero phase deconvolution
Zone anomaly processor
Preliminary velocity analysis (5280 x 3960 ft grid)
Preliminary stack with QC sections displayed
Surface consistent residual reflection statics
Post statics velocity analysis (2640 x 1980 ft grid)
2nd pass of surface consistent residual reflection statics
Prestack amplitude balancing and trace edits
3D common offsets
DMO on velocity lines
DMO velocity analysis (0.5 x 0.5 mile grid)
Final NMO and mute application
3D Kirchhoff DMO stack
3D random noise attenuation (FXY decon)
Processing cell size 110 x 110 ft
Modified residual migration
TAU-P domain filter
Time variant filter and scaling
Available Data Sets
Geometry Gathers
Stack Volume
PostStack Time Migration Volumes
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