Acquisition parameters

     Contractor: Halliburton Geophysical Services 
     Recorded: 1992 
     Vessel: M/V Edward O. Vetter 
     Navigation: STARFIX satellite, GPS backup 
     Source: Airgun array, 191.27 L total volume, 29 m long x 75 m wide, 10 m deep 
     Source interval: 50-75 m 
     Receivers: 25 m spacing, 10 m depth 
     Coverage: 3000%-4500% 
     Instrumentation: 180 channel Titan 1000 
     Recording: 20 s at 4 ms sample rate in SEGD format

Processing

     Contractor: CGG Geophysics Canada Ltd. 
     Static correction: Sea level datum 
     Spherical divergence correction 
     FK filtering: reject 1500-2500 m/s 
     CDP sorting 
     Deconvolution: 36 ms gap 
     Trace equalization: 2 s windows, 50% overlap 
     Multiple elimination: Subtraction of 1D wace-equation model 
     Velocity analysis 
     NMO correction 
     Stack 
     Predictive deconvolution 
     Trace mixing: weighted 7-trace mix 
     FK Migration: 80%-100% of stacking velocities 
     Time-variant bandpass filter