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Seismic signal processing method and apparatus for generating correlation spectral volumes to determine geologic features
Seismic signal processing method and apparatus for generating correlation spectral volumes to determine geologic features
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机译:用于产生相关频谱量以确定地质特征的地震信号处理方法和装置
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摘要
A seismic signal processing method will analyze a resultant set of seismic data, generated in response to a seismic operation performed on a particular portion of an Earth formation, for the purpose of determining a set of geologic characteristics of the particular portion of the Earth formation. When the seismic signal processing method is performed, a cross correlation technique is utilized. In particular, a first data set, which represents a standard set of ‘comparison traces having known geologic characteristics’ and includes two or more traces having known geologic characteristics but does not constitute a part of an input seismic volume, is cross correlated with a second data set having unknown geologic characteristics. As a result of that cross correlation, an output record, known as a ‘correlation spectral volume’, is generated. The ‘correlation spectral volume’ records and displays the degree to which the unknown geologic characteristics of the second data set substantially matches one or more of the known geologic characteristics of the first data set.
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