S变换在常规测井信息处理中的应用综述
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摘要
为提高常规测井信息解决地质问题的能力,本文梳理了S变换的基本原理及性质,归纳总结了现今S变换用于地震资料处理的研究成果,分析展望了S变换用于测井信息处理的可能方面.研究表明,S变换是一种具有高时频分辨率的信号处理方法.在地震资料处理中,S变换可用于地震波的初至识别、地震信号滤波去噪、基于地震信息的沉积旋回划分、碳酸盐岩孔洞储层识别以及地震相分析等;在常规测井信息处理中,S变换可用于测井曲线去噪、层序地层的研究、识别储层流体性质和识别低渗砂岩储层裂缝.将S变换引入到常规测井信息处理中,可有效推动油田勘探开发中的有关地质问题的解决.
In order to improve the ability of solving geological problems by conventional logging information,this paper based on extensive literature research and analysis,combed the basic principles and properties of S transform, and summarized research results that the current S transform was used for data processing of seismic.Analysis and prospect these possible aspects that the S transform was used for the information processing of logging,The study shows that S transform is a signal processing method with high time-frequency resolution.In seismic data processing,S transform can be used to these aspects,such as,the initial identification of seismic wave,the denoising of seismic signal filtering,the division of sedimentary cycle based on seismic information,the identification on cavern reservoir of carbonate reservoir and the analysis of seismic fancies,etc.In the conventional logging information processing,S transform can be used to these aspects,such as,the de-noising of log presentation,the research of sequence stratigraphy,the identification of the properties on reservoir fluid and the identification of low permeability sandstone reservoirs cracks.The S transform was introduced into conventional log information processing,which can effectively promote the solution related to geological problems in oil exploration and development.
引文
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