APPLICATION OF SEISMIC IMAGING METHOD IN WATER EXPLORATION TO ACROSSING SEA BRIDGE

In this paper,seismic imaging method was adopted for water exploration in a certain bay.The purpose is to find out the instance of the water bottom interface,rock base overburden,undulation and the structural belt in the axes.Based on establishing a mathematical model of the reflected wave,discuss the choice of offset from the result of flat wave equation;and make a comprehensive comparison between the seismic imaging interpretation result and the drilling data result.The results show that if the method of seismic imaging is used in sea exploration,the offset adopted must be ensured incidence angle less than 40 degrees.Otherwise,it is hard to get an ideal penetration coefficient,and can not distinguish the shallow layer clearly.The seismic imaging interpretation results are the same as the drilling data results mostly and the seismic imaging method is effective in sea exploration.