Near Surface Geophysics > 3C VSP at well C1

Deconvolved and flattened up going waves are stacked in a corridor immediately following the first arrival. The result is a stacked trace directly comparable to the seismic trace extracted from the seismic cube and situated at the well location.

The video shows the deconvolved up going waves and the corridor stacked trace in different frequency bandwidths. The filter used is a zero phase band pass filter. We can notice that the seismic frequency bandwidth is very large. The highest frequency reaches 200 Hz.