王瑞飞,宋子齐

• 1:西安石油大学石油工程学院

摘要(Abstract)：

以鄂尔多斯盆地ZH40区块水下浊积扇沉积体系为例,根据储层物性、铸体薄片鉴定、扫描电镜和X-衍射分析等资料,定量研究水下浊积扇沉积体系沉积微相对物性和成岩的控制作用。分析表明:从水下扇的扇根到扇中,再到扇缘,矿物成分成熟度呈先增加后降低的趋势,扇中微相的长石砂岩最为发育,成分成熟度和结构成熟度最好;在水下扇浊积体系中,扇中微相砂体的溶蚀作用和次生孔隙最为发育;扇根、扇中和扇缘微相砂体机械压实作用引起的孔隙度损失程度接近,而扇根和扇缘微相砂体的胶结作用强烈。储集层成岩作用研究和孔隙度预测中,必须考虑沉积微相的控制作用。

关键词(KeyWords)： 沉积微相;物性;成岩作用;填隙物;浊积扇;鄂尔多斯盆地;甘肃

Abstract:

Keywords:

基金项目(Foundation): 国家重点基础研究发展规划(973)项目(2003CB214600)资助

作者(Author): 王瑞飞,宋子齐

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