Exploration Applications
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Fig. 6.60 An example of the reliability with which VSP data can often identify primary seismic reflectors.
are labeled A1 , B1 , C1 , D1 . These are raw field data. No processing has been done other than a numerical AGC function has been applied to equalize all amplitudes. Figure 6.61 illustrates the tying of a VSP seismogram to the surface-acquired seismic data.
Fig. 6.61 Comparison of seismic data with VSP