Abstract
The potential of seismic exploration instruments for estimating the surface layers of soil in the towing zone of an extended multielement array is investigated. In contrast to the well-known method of common depth point, in which the main estimated parameters are the transit times of waves reflected from deep layers of the sea bottom, two-dimensional spectral analysis is used to measure the longitudinal wavenumbers of the modes forming an infrasonic field in the water layer. The measured longitudinal wavenumbers of modes serve initial data for estimating the acoustic characteristics of the upper layers of bottom sediments directly in the towing zone of pulse emitter and extended multielement array. It is concluded that the use of data on the parameters of upper soil layers in seismic exploration should increase the accuracy of contouring oil and gas condensate fields.
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