卜范青,张旭,陈国宁

• 1:中海油研究总院

摘要(Abstract)：

通过取芯、分析化验、扫描电镜等资料分析,对尼日尔三角洲的岩石学特征、沉积特征及储层的主控因素进行了研究。结果表明:研究区储层以石英砂岩为主,长石质石英砂岩和岩屑质石英砂岩次之;主要发育水道和朵叶体系,其中水道体系可细分为主水道、砂质天然堤、泥质天然堤、底部滞留沉积;朵叶体系细分为朵叶主体、朵叶侧缘,两者共同由14种岩相类型组成。建立了西非重力流沉积微相的岩相组合模版,提出了重力流复合水道和复合朵叶的沉积模式;明确了储层演化的影响因素。

关键词(KeyWords)： 尼日尔三角洲;AKPO油田;深水重力流;岩石类型;沉积模式

Abstract:

Keywords:

基金项目(Foundation): 国家科技重大专项“西非、亚太及南美典型油气田开发关键技术研究”(编号:2011ZX05030-005)

作者(Author): 卜范青,张旭,陈国宁

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