低渗透储层的微观孔隙结构特征研究  

Study on Performance of the Micro Pore Structure in Low Leakage Reservoir

作　　者：卫海涛 石豫[1] 王博学 

机构地区：[1]西安石油大学石油工程学院,陕西西安710065

出　　处：《内蒙古石油化工》2014年第23期129-130,共2页Inner Mongolia Petrochemical Industry

基　　金：陕西省科学技术研究发展计划项目"井下裂缝导流能力测试解释技术"(2011K08-13);陕西省科技统筹创新工程计划(2012KTZB03-03-03-02)项目

摘　　要：本文以鄂尔多斯盆地低渗透储层为例,在岩芯观测、岩石薄片、铸体薄片、扫描电镜以及压汞资料分析的基础上,分析了该地区低孔低渗砂岩的岩石学特征、储层物性及微观孔隙结构特征;分析了储层有效喉道半径、有效喉道体积、有效孔隙半径、有效孔隙体积及孔喉比等特征参数与孔隙度、渗透率之间具有较好的相关性。In this paper, Erdos Basin low permeability reservoir as an example, in the core observation, rock thin section, cast thin section, scanning electron microscope and mercury injection data on the basis of the analysis, analysis of the regions of low porosity and low permeability sandstone petrology, reservoir physical properties and microscopic characteristics of pore strueture; analysis of reservoir effec rive throat radius effective throat, volume, the effective pore radius, the effective pore volume and pore throat ratio characteristic parameters such as porosity, permeability and high correlation.

关 键 词：低渗透砂岩储层 鄂尔多斯盆地 孔喉特征 孔隙结构 

分 类 号：P618.130.2[天文地球—矿床学]