摘要
高信噪比、高分辨率和高保真度简称“三高”，一直是地震数据所追求的目标。本文所论述的“三高”技术中，高信噪比是通过信噪相干分离法及其迭代计算实现的；高分辨率是通过反褶积迭代运算达到的；高保真是通过小参数迭代和统计反子波完成的。统一应用这项综合技术对渤海湾不同区域进行了地震资料处理。其结果表明，“三小一点”（即小层、小砂体、小断层和油气水平点）地震地质现象相当明显。最令人感兴趣的是，处理后的地震剖面上出现了流体分界面的平点反射波。
High signal/noise ratio, high resolution and high fidelity are the objectives seismologists have been seeking for. High signal/noise ratio is achieved by doing both the coherent separation of signals from noises and the iteration computation, high resolution by deconvolution iteration computation, and high fidelity by small parameter iteration and statistical inverse wavelets.The seismic data from different areas in Bohai Sea were processed by employing the comprehensive techniques. As a result, thin beds. minor faults, small sand bodies and the flat spots of oil, gas and water are distinctly displayed in seismic sections. It is particularly interesting that there are flat spot reflections in processed seismic section which indicate fluid boundary.
出处
《石油地球物理勘探》
EI
CSCD
北大核心
1994年第5期610-622,共13页
Oil Geophysical Prospecting
关键词
地震数据处理
信噪比
分辨率
地震勘探
seismic data processing, deconvolution, iterative algorithm, signal/noise ratio, resolution, high fidelity, comprehensive interpretation
