张瑞雪;杨少春;张瑞香;宋璠;

• 1:中国石油大学(华东)地球科学与技术学院

• 2:中国石油大学胜利学院

摘要(Abstract)：

欢喜岭油田锦99块杜家台油藏属于辫状河三角洲前缘沉积,为目前处于注水开发中后期的稠油油藏,其构造复杂、断层发育、储层物性较好,但非均质性强.为确定各砂体沉积微相类型、空间展布特征,以及沉积微相与含油性关系,在岩心观察的基础上,结合钻井、测井、录井、岩石分析、试油试采和生产动态化验资料,分析研究区沉积微相特征及其与含油性关系.结果表明:该区为一套完整的水进体系沉积,包括水下分流河道主体、水下分流河道侧缘、河道砂坝、水下分流间湾、席状砂、湖相泥等6种沉积微相类型;沉积微相对储层含油性具有明显控制作用,其中水下分流河道主体和河道砂坝微相含油性较好,为油气聚集的有利沉积微相;席状砂和水下分流河道侧缘微相含油性较差.研究结果指明油田下一步勘探有利储集沉积砂体的方向,对油田后续注水开发具有指导意义.

关键词(KeyWords)：辫状河三角洲前缘;沉积微相;储层含油性;杜家台油层;欢喜岭油田

Abstract:

Keywords:

基金项目(Foundation):国家科技重大专项(2011ZX05009-003)

作者(Author):张瑞雪;杨少春;张瑞香;宋璠;

Email:

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