Data Acquisitions And Normal Processing Research For The Deep Seismic Reflection Profile Survey At The Greater Hinggan Mountains

Deep seismic reflection profiling technology is recognized as a pioneer technology in exposing the fine structure of crust in the world.It can provide a reliable basis to reveal the fine structure of orogenic belts or basin-range junction belt,dind sedimentary structure under the overthrust nappe,determine the thrust deformation depth of orogenic belts and the degree of development and size,grasp the relation of deep structures of basin mountain,oil-gas storage and migration from the crust.This paper pass deep seismic reflection profiling data collection and normal processing technology to carry out research and application,on the basis of normal seismic collection and deep seismic collection comparative study,specific to deep seismic collection needs a large arrangement,large offset,long reception time,the poor shooting conditions,as well difficult,low signal-to-noise ratio features,it has formed shoot and receiving technical methods that suits deep seismic data collection for the Greater hinggan Mountains,and access to rich layers and high signal-to-noise ratio of seismic data;adopted curved line construction,measuring length,surface undulating,fast-changing in low-velocity zones approach to carry out deep seismic data research for Greater hinggan Mountains,using mixed static correction,A variety of denoising methods,and carried on the test focuses on the analysis and processing method to test the two most important factors – signal-to-noise ratio and resolution,got a high quality deep seismic profile,and provided a good basic data to research the crust and the basin structure.