大庆石油地质与开发

2007, No.124(06) 91-94

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海拉尔油田孔隙结构特征分析
Analysis of pore structure Characteristics in Hailaer oilfield

王新江,张丽萍,石京平
WANG Xin-jiang,ZHANG Li-ping,SHI Jing-ping (Exploration and Development Research Institute of Daqing Oilfield Company Ltd.

摘要(Abstract):

通过岩石薄片和储层特征分析知道,海拉尔油田为多类型的储集层油田,从上到下分布着4个砂岩体系,储层物性一般较差,变化大,各层的孔隙类型、孔隙度和渗透率各不相同。根据历年来海拉尔油田常规压汞法分析数据统计发现,海拉尔油田的微观孔隙结构参数与其孔隙度、渗透率有一定的相关关系,相对分选系数随渗透率、孔隙度的降低而增大;结构系数、分选系数、半径均值随渗透率、孔隙度的增大而增大;结构特征参数随着渗透率的增大而增大。
Based on the analysis of rock sections and reservoir characteristics,it is found that Hailaer oilfield is a multi-typed oilfield with 4 sets of sand body systems from lower to upper.Reservoir physical properties are poorer with great changes,and the pore types,porosity and permeability for each interval are different.According to statistics on mercury penetration data of Hailaer oilfield,it is confirmed that there is a certain correlation between the microscopic pore structure parameters of Hailaer oilfield and the porosity and permeability.Relative sorting coefficients increase with the decrease of permeability and porosity.Structure coefficients,sorting coefficients and radius average value increase with the increase of permeability and porosity.Structural features parameters increase with the increase of permeability.

关键词(KeyWords): 孔隙结构系数;相对分选系数;微观孔隙结构;压汞分析
pore structure coefficient;relative sorting coefficients;microscopic pore structure;mercury penetration analysis

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作者(Author): 王新江,张丽萍,石京平
WANG Xin-jiang,ZHANG Li-ping,SHI Jing-ping (Exploration and Development Research Institute of Daqing Oilfield Company Ltd.

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