Abstract This paper has dealt theoretically with the static and dynamic correction techniques for instantaneous datum plane of records on common central point gather of channels, and demonstrated through tentative calculation with the theoretical model that this technique could eliminate the influence of local relief on the records of common central point gather of channels and raise the quality, speed and interpretation precision of the time profile, so as to ensure the success of exploration work in mountain areas with the multiple coverage technique of seismic reflection wave method.
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