Aquisition Parameters | Processing Parameters | Data Sets | PDF
click image for PDF
Aquisition Parameters
Recording System: Opseis Eagle / Sercel 368
Energy Source: Dynamite (5.5 lb at 100 ft) / 640 in.3 air-gun
Spread Geometry: 6 lines of 180 channels / 2 lines of 180 channels
Receiver Lines: 220 ft intervals, 1,980 ft apart
Source Lines: 220 ft intervals, 1,980 ft apart / 110 - ft intervals, 1,760 ft apart
Nominal Fold: Dynamite=3000% / airgun=9000% (0-22,000 ft)
Cell Size: 110 x 110 ft
Average Far Offset: 20,000 ft
Survey Completed: May 1997
Processing Parameters
Poststack Time (general parameters)
Data Initialization
Geometry / trace editing
Datum / elevation statics
Refraction statics
Amplitude recovery / trace editing
3D Surface Consistent deconvolution (2 passes)
3D velocity analysis (5280 ft grid)
3D surface consistent residual statics
3D DMO velocity analysis (2640 ft grid)
3D DMO stack
3D migration (one pass)
Noise attenuation (Tau-P or FXY filtering)
Bandpass filter / final scaling
Kirchhoff Prestack Time Migration
Data Initialization
Datum / elevation statics
Refraction statics
Amplitude recovery / trace editing
Surface consistent deconvolution
Spectral whitening
Surface consistent amplitude correction
Merge surveys
3D refraction statics
3D surface consistent residual statics
(2 passes with velocity updates)
Kirchhoff prestack time migration on a selected grid
Velocity analysis
Final stack
Tau-P filter
Final time variant filter / final gain
Available Data Sets
Geometry Gathers
Stack Volume
PostStack Time Migration Volumes
Kirchhoff PreStack Time Migration (kPSTM) Volumes
kPSTM Gathers
Near, Mid & Far kPSTM Offset Volumes
|
