Method for enhancing recorded marine seismic reflection signals having undulating water bottom distortions

摘要

In marine seismic exploration, seismic energy is transmitted through a water layer into the earth and seismic reflection signals from subsurface interfaces are recorded; a method is provided whereby undulating water bottom distortions in the recorded reflection signals are removed by replacing the seismic energy velocity in the water layer with a velocity matching that of the earth medium immediately below the water bottom.