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Application of Grey Correlation Method for Stratigraphic Correlation and Its Improvements
Author(s): 
Pages: 126-128,141
Year: Issue:  2
Journal: WELL LOGGING TECHNOLOGY

Keyword:  灰色关联法关联度矩阵虚拟关联度地层对比相对距离比;
Abstract: 地层自动对比中常用灰色关联法.论述了该方法的原理及算法.该方法在地层对比中存在某些缺陷,如在关联度匹配分级过程中,一旦某一级匹配与实际情况不吻合,则以后各级的匹配都是错误的,这样,必然会大量地出现地层混乱匹配的现象,造成地层对比结果不准.经过研究及实践,提出2种虚拟关联度的改进方法,其计算结果好于原灰色关联法;同时开发出相应的小层对比软件.
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