Application of seismic interferometric migration for shallow seismic high precision data processing: A case study in the Shenhu area |
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| Authors: | Jia Wei Huaishan Liu Lei Xing Dong Du |
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| Institution: | 1.Key Laboratory of Submarine Geosciences and Exploration Techniques, Ministry of Education,Ocean University of China,Qingdao,China;2.Tianjin Center,China Geological Survey,Tianjin,China |
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| Abstract: | The stability of submarine geological structures has a crucial influence on the construction of offshore engineering projects and the exploitation of seabed resources. Marine geologists should possess a detailed understanding of common submarine geological hazards. Current marine seismic exploration methods are based on the most effective detection technologies. Therefore, current research focuses on improving the resolution and precision of shallow stratum structure detection methods. In this article, the feasibility of shallow seismic structure imaging is assessed by building a complex model, and differences between the seismic interferometry imaging method and the traditional imaging method are discussed. The imaging effect of the model is better for shallow layers than for deep layers because coherent noise produced by this method can result in an unsatisfactory imaging effect for deep layers. The seismic interference method has certain advantages for geological structural imaging of shallow submarine strata, which indicates continuous horizontal events, a high resolution, a clear fault, and an obvious structure boundary. The effects of the actual data applied to the Shenhu area can fully illustrate the advantages of the method. Thus, this method has the potential to provide new insights for shallow submarine strata imaging in the area. |
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