河11区块沙二段9砂层组储层非均质性研究

Research on Heterogeneity of E_(S)29 Reservoir in He 11 Area

在油田生产活动中,储层的非均质性研究是生产中的一个重要环节。文章通过对河11地区沙二段9砂层组系进行测井二次解释,利用储量参数研究、建立测井解释模型等技术手段,对储层层内、层间及平面非均质性进行了研究及评价,认为层内及层间非均质性均较强,属于不均匀型储层,平面上有砂岩厚度大的区域孔,渗性好、含油饱和度高,砂层薄的地方则具有相反的特点,为进一步挖掘其勘探开发潜力提供有力支撑。

In the production activities of the oilfields,the study on reservoir heterogeneity is an important link.This paper makes a second interpretation of E_(S)29 reservoir in He 11 area by logging.By using the technical means such as the study of reserve parameters and the establishment of logging interpretation model,the intra-layer,inter-layer and plane heterogeneity of reservoirs are studied and evaluated.It is considered that the heterogeneity of within and between layers is strong,which belongs to heterogeneous reservoir.On the plane,there are areas with large sandstone thickness,hare good porosity and high oil saturation,and the opposite is true where the sand layer is thin.It provides strong support for further tapping its exploration and development potential.