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砂岩储集层物性影响因素定量分析方法
石油与天然气地质
2000年 21卷 第No.2期
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Title
QUANTITATIVE ANALYSIS METHOD OF FACTORS AFFECTING PHYSICAL PROPERTIES FOR SANDSTONE RESERVOIRS
Authors
Zhong Dakang
Zhang Chongjun
Wen Yingchu
摘要
采用多因素偏相关分析方法,结合多元逐步回归能够在分析影响储层物性的因素中把握事物的本质,找出主要因素,区别出次要因素,从而达到对各因素定量排序的目的。以准东阜北斜坡侏罗系砂岩储层为例,运用该方法分析了影响储层物性的主要因素和次要因素,认为影响孔隙度的主要因素为溶蚀作用,次为颗粒分选和压实作用;影响渗透率的主要因素为颗粒分选和粒度粗细,次为压实和胶结物溶解作用,其结果与实际地质情况吻合较好。
Abstract
The partial correlation analysis of multiple factors combined with multiple regression is used to find the essence of the problem,and seriate the factors.This paper introduces the basic concepts and analysis steps of this method through the case study of Jurassic sandstone reservoirs in Fubei Slope of east Junggar Basin,and discusses the primary and secondary factors influencing sandstone reservoirs'physical properties in this area.The results coincide with the actual state.
关键词：
砂岩;
物性;
影响因素;
定量分析;
方法;
Keywords:
sandstone;
physical properties;
influencing factor;
quantitative analysis;
method;
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