Aquisition Parameters | Processing Parameters | Data Sets | PDF
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Aquisition Parameters
Geometry: Inline Swath (E-W)
Receiver line interval: 480m (2 Rx lines live)
Receiver interval: 50m
Source line interval: 40m (80m per vessel pass)
Source interval: 75m (37.5m alternating)
Source strength: 100bar-m
Bin size: 25m x 40m
Nominal fold: 120
Maximum offset: 9000m
Record length: 13sec
Sample Interval: 2ms
Processing Parameters
Receiver position computation
Re-sample to 4ms, offset limit to 9,000m, drop horizontal geophones
Pre-summation noise suppression
Dual Sensor hydrophone-geophone summation
Absorption compensation
Deconvolution
Surface Consistent Amplitude Compensation (SCAC)
Statics; datum and residual
Noise suppression
Surface Consistent Amplitude Compensation (SCAC)
Cross line interpolation from 40m to 20m
Kirchhoff PrSTM velocity analysis for smoothed migration velocities
Velocity analysis for anisotropic velocity component
Full volume anisotropic curved-ray Kirchhoff PrSTM:
20x25m bins, 60 fold (150m offset interval from 75-8925m), 11 seconds @ 4ms
Velocity analysis for high order final stacking velocities
Normal Move-Out compensation / mute
Multiple attenuation (Weighted Least Squares Parabolic Radon Transform)
Prestack conditioning (scaling & filtering)
Final 3D KkPrSTM stack
Residual Scaling
Time Variant Filter
Tau-P dip enhancement
Available Data Sets
Full offset anisotropic K PrSTM stack (RAW & conditioned)
Anisotropic K PrSTM gathers (RAW & conditioned w/ NMO)
Near, mid, far & ultra-far Angle stacks (13° increments)
Velocity fields
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