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    • 3. 发明申请
    • RESERVOIR UPSCALING METHOD WITH PRESERVED TRANSMISSIBILITY
    • 具有保存的可传输性的储备UPSCALING方法
    • WO2012021292A1
    • 2012-02-16
    • PCT/US2011/045539
    • 2011-07-27
    • CONOCOPHILLIPS COMPANYWU, JianbingWONG, PatrickDONG, Chao
    • WU, JianbingWONG, PatrickDONG, Chao
    • G06G7/58G01V1/40
    • E21B43/00G01V99/005
    • Upscaling methods first generate a low resolution (or coarse-scale) three-dimensional framework, and then calculate the reservoir properties, for instance permeability and porosity, at each cell. Each cell also includes at least one cell property, representing a feature of its corresponding volume. For example, the cell property may include rock type, porosity, permeability, water saturation, combinations thereof, and the like. The lateral transmissibilities across the coarse cells are then calculated, wherein transmissibility refers to a measure of capacity of a given viscous fluid to move across a cell boundary (or inter-node connection) under pressure drop. More specifically, transmissibility is a measure of the ability of a fluid to flow between two neighboring cells within a porous medium. The calculated transmissibility multiplier in both horizontal and vertical directions can be used as key parameters to evaluate the accuracy of an upscaled geologic model.
    • 升级方法首先产生低分辨率(或粗尺度)三维框架,然后计算每个单元格下的储层性质,例如渗透率和孔隙率。 每个单元格还包括至少一个单元格属性,表示其相应卷的特征。 例如,电池特性可以包括岩石类型,孔隙率,渗透性,水饱和度,它们的组合等。 然后计算粗细胞之间的横向透射率,其中透射率是指给定粘性流体在压降下跨越细胞边界(或节间连接)移动的能力的量度。 更具体地,透射率是流体在多孔介质内的两个相邻细胞之间流动的能力的度量。 计算的水平和垂直方向的传递率乘数都可以用作关键参数,以评估放大的地质模型的准确性。