SBC lines 6-19 and 9r10s

Acquisition parameters

     Contractor: Sonics Exploration Ltd. 
     Recorded: 1988 
     Source: 4 Vibs, 14 s 10-56 Hz linear sweep, 8 sweeps/VP 
     Receivers: 10 Hz, 12 per group 
     Instrumentation: two 120 channel DFS V (master-slave config.) 
     Recording: 18 s at 4 ms sample rate, SEGB on 9-track tape 
     Spread: 50 m station spacing, 100 m source spacing, 160-240 split, 60 fold

Processing

     Contractor: Western Geophysical 
     Demultiplexing, merge master and slave 
     Geometry and field statics: to 1000 m at 6000 m/s 
     Geometric spreading correction 
     CDP binning and sorting 
     Deconvolution: minimum phase, time variant 
     Residual statics 
     Velocity analysis 
     AGC: 1000 ms 
     Trace editing 
     NMO correction 
     First break mute 
     Stack 
     Bandpass filter: 10-56 Hz 
     AGC: 1000 ms 
     Random noise attenuation (FX decon) 
     Trace mixing: 2-1 adjacent sum