The number of log items used in electrofacies analysis is uncertain in different geological areas, so application of electrofacies analysis software based on static database has many limitations.
由于研究区域地质情况的不同，测井相分析中应用的测井项目数不确定，因此基于原有静态数据库建立的测井相分析软件在应用上具有极大的局限性。
The types of electrofacies of standard sample beds from key well are classified by a combination of principal component and cluster analysis.
用主成分分析与聚类分析结合的方法划分关键井中标准样本层的测井相类型；
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