Abstract: It is a very important task in oil field geology and development to study oil storage sand bodies of different types and reservoir characte ristics.This paper has analized the depositional types of sand bodies in Shengtuo oil field,classified into six kinds of sedimentary sand bodies and described the reservoir characteristics of these sand bodies.Sands and conglomerate bodies of alluvial fan mud and stone stream:mixed with sand,conglomerat and mud,the connection between pores axe not well,so reservoir property is poor and there is less possibility for production;Braided steam sand bodies:Grains axe coarse.Pores texture is fine.The radius of porous channels are large and porous connections are well.The highest permeable beds have permeated all parts of the reservoir so producing capacity is high;Sand bodies of river mouth bar in delta front:Grains are fine and well sorted,pores are small and connect well.permeability is low.The reservoir is thick.Production capacity is great;Turbidity sand body:Grains axe medium size.Lithology is even.pores connect well.High permeable beds are in the middle and lower parts of the reservoir so the reservoir is a high oil production zone.

摘要： 胜坨油田处于一个丰富的含油气区,它具有多种沉积环境下形成的储油砂体,由于它们的沉积类型不同,导致储层特征及开发特点均反映出差异性.本文就胜坨油田沙二段不同沉积时期形成的几种主要砂体类型与储层特点及其开发效果加以阐述.

关键词: 储层特征, 胜坨油田, 沉积类型, 辫状河砂体, 渗透率, 开发效果, 油层, 冲积扇, 储层特点, 沙二段