单祥;季汉成;刘计国;李早红;

• 1:中国石油杭州地质研究院

• 2:中国石油大学(北京)地球科学学院

• 3:中国石油勘探开发研究院

摘要(Abstract)：

尼日尔Agadem区块古近系Sokor1组普遍存在低阻油层,导致油层在测井解释过程中容易被遗漏.根据普通薄片、铸体薄片、扫描电镜、黏土X线衍射、重矿物分析、地层水矿化度和试油分析等资料,考虑岩石粒度、孔隙结构、黏土矿物含量及类型、油层厚度、导电矿物及油藏类型,讨论造成低阻油层的地质成因.结果表明,Sokor1组低阻油层形成原因主要包括3个方面:岩性细、孔隙结构差和黏土含量高造成束缚水饱和度高;黏土矿物附加导电性;油层厚度薄.该研究成果为尼日尔Agadem区块油气勘探提供地质借鉴.

关键词(KeyWords)：东尼日尔盆地;Agadem区块;低阻油层;电阻率;地质成因

Abstract:

Keywords:

基金项目(Foundation):国家油气重大专项(2011ZX05006-006-02)

作者(Author):单祥;季汉成;刘计国;李早红;

Email:

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