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《Journal of Chongqing University of Science and Technology(Natural Sciences Edition)》 2017-04
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Seismic Reflection Processing Technique of Ordovician Reef Flat Facies in the Southwestern Margin of Ordos Basin

MAN Hongxia;ZHOU Xiali;ZHANG Yuan;ZHANG Min;Changqing Branch,Research Institute of BGP;  
The surface condition of southwestern margin of Ordos Basin is relatively complex,such as poor quality of Loess straight line,prominent static correction problem,low signal to noise ratio and various interference wave types,so the seismic exploration accuracy is severely restricted.Therefore,the key technologies,such as comprehensive static correction,pre stack amplitude preserving denoising,surface consistent amplitude processing,well controlled deconvolution and pre stack time migration processing,are studied.The paper takes the fidelity amplitude and low frequency processing as the core,strengthening the research of static correction,the migration imaging of seismic data processing,to realize the general idea of effective identification of Ordovician reef beach facies reflection.Based on dealing with the former data,the quality of seismic profile data is improved effectively,which can meet the basic needs of oil and gas exploration in the area.
【Key Words】: Ordos Basin seismic data S/N ratio static correction pre stack amplitude preserving denoising
【Fund】: 国家科技重大专项“鄂尔多斯盆地大型岩性地层油气勘探开发示范工程”(2008ZX05044)
【CateGory Index】: P631.44
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