摘要
通过岩心观察、薄片鉴定、物性分析和沉积相研究,阐述了笔架岭油田东三段和沙一段岩石学特征、孔喉特征和物性特征,分析了影响储层物性的主要因素。研究表明,该研究区储层岩石类型以长石岩屑砂岩为主;沙河街组沙一段储层孔隙类型主要以原生粒间孔为主,东营组东三段孔隙类型以次生粒间溶孔为主;该研究区的储层属于中孔隙度、中渗透率储层;储层物性控制因素中,断裂是控制沉积微相及储层性能分布的主要因素,沉积微相控制砂体储层性质,成岩作用影响砂体储层性质。
Based on core and cast section analysis,physical property as well as sedimentary facies,the lithologic character,pore throat features,Physical Property of Shahejie Formation and the Third Member of Dongying Formation in Bijialing Oilfield are analyzed,and the main factors influencing the reservoir properties are analyzed.It is believed that the Third Member of Dongying Formation is high porosity and medium permeability,Shahejie Formation is medium porosity and medium permeability.Diagenesis cementation dissolution and metasomatism are the main factors influencing the reservoir properties.The compaction and cementation have great damage to the primary porosity of reservoir.While the dissolution is favorable for forming secondary pore and improving the reservoir property.
出处
《长江大学学报（自然科学版）》
CAS
2011年第5期27-30,10,共4页
Journal of Yangtze University(Natural Science Edition)
关键词
储层物性
控制因素
笔架岭油田
东三段
沙一段
reservoir physical property
control factor
Bijialing oilfield
Ed3
Shahejie Formation
