摘要
地震相干体技术可以有效地揭示地层的横向变化,如断层、复杂构造等。但当原始地震数据体信噪比较低时,相干体则受噪音影响,其分辨能力较差。为提高其分辨率,将边缘保真去噪方法应用于地震相干体的计算中,即在计算相干体之前,先对原始数据体进行边缘保真去噪处理。结果表明,该方法可有效提高相干体对断层和复杂构造的分辨能力。
Seismic coherence cube technique can effectively reveal the lateral changes of strata,such as fault and complex structure.But when the original seismic data volume has lower signal to noise ratio,the resolution of the coherence cube is poor because of the influence of the noise.In order to improve the resolution,the edge preserving smoothing （EPS） algorithm is applied to the calculation of the coherence cube,which carries out the processing of edge preserving smoothing to the original seismic data volume before the calculation of the coherence cube.The computing result shows that the method could effectively improve the ability of the coherence cube to distinguish the fault from complexstructure.
出处
《岩性油气藏》
CSCD
2010年第2期95-98,共4页
Lithologic Reservoirs
关键词
相干体分析
边缘保真去噪
断层检测
coherence analysis
edge preservingsmoothing
fault detection
