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    • 34. 发明申请
    • METHOD OF SELECTING ADDITIVES FOR OIL RECOVERY
    • 选择油回收添加剂的方法
    • US20110112815A1
    • 2011-05-12
    • US12616486
    • 2009-11-11
    • Mikhail StukanPatrice LigneulWael Abdallah
    • Mikhail StukanPatrice LigneulWael Abdallah
    • G06G7/50
    • G06F19/704E21B43/16G06F19/701
    • A method is described for selecting an additive for enhanced recovery from a subterranean hydrocarbon reservoir including the steps of using parameters characterizing rock type and surfaces in the reservoir, pore geometry and/or distribution, hydrocarbons and/or other constituent elements identified as being present in the reservoir, using parameters characterizing an injection fluid or fluid mixture to be injected into the reservoir, using parameters characterizing the additive to be added to the injection fluid and its concentration; using the parameters to determine at a first level of molecular dynamic modeling the effect of the additive on the interfacial tension between hydrocarbon and water/brine or an equivalent parameter, using the parameters and results derived from the first level of molecular dynamic modeling to determine at a second coarser level of molecular dynamic modeling wettability effects or an equivalent parameter and using the parameters and results derived from first and second level of molecular dynamic modeling to determine at a third coarser level of molecular dynamic modeling imbibition or drainage effects.
    • 描述了一种用于选择用于从地下烃储层增强回收的添加剂的方法,其包括以下步骤:使用表征岩层类型和储层中的表面,孔几何形状和/或分布的参数,烃和/或被认定为存在于 使用表征要添加到注入流体中的添加剂及其浓度的参数来表征要注入到储存器中的注入流体或流体混合物的参数的储存器; 使用参数来确定在第一层次的分子动力学建模中添加剂对烃与水/盐水之间的界面张力或等效参数的影响,使用从第一级分子动力学模型得出的参数和结果来确定 分子动力学模拟润湿性效应或等效参数的第二较粗糙的水平,并使用从第一和第二级分子动力学模型得到的参数和结果来确定第三较粗的水平的分子动力学模型吸收或排水效应。