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    • 1. 发明申请
      US20050015231A1 Near wellbore modeling method and apparatus 有权
    • Near wellbore modeling method and apparatus
    • 近井眼建模方法和装置
    • US20050015231A1
    • 2005-01-20
    • US10900176
    • 2004-07-27
    • David Edwards , Jonathan Holmes , Anthony Fitzpatrick
    • David Edwards , Jonathan Holmes , Anthony Fitzpatrick
    • E21B49/00 , G06G7/48
    • E21B49/00
    • A “near wellbore modeling” software will, when executed by a processor of a computer, model a localized area of a reservoir field which surrounds and is located near a specific wellbore in the reservoir field by performing the following functions: (1) receive input data representative of a reservoir field containing a plurality of wellbores, (2) establish a boundary around one specific wellbore in the reservoir field which will be individually modeled and simulated, (3) impose an “fine scale” unstructured grid inside the boundary consisting of a plurality of tetrahedrally shaped grid cells and further impose a fine scale structured grid about the perforated sections of the specific wellbore, (4) determine a plurality of fluxes/pressure values at the boundary, the fluxes/pressure values representing characteristics of the reservoir field located outside the boundary, (5) establish one or more properties for each tetrahedral cell of the unstructured grid and each cylindrical grid cell of the structured grid, (6) run a simulation, using the fluxes/pressure values at the boundary to mimic the reservoir field outside the boundary and using the fine scale grid inside the boundary, to thereby determine a plurality of simulation results corresponding, respectively, to the plurality of grid cells located inside the boundary, the plurality of simulation results being representative of a set of characteristics of the reservoir field located inside the boundary, (7) display the plurality of simulation results which characterize the reservoir field located inside the boundary, and (8) reintegrate by coarsening the grid inside the boundary, imposing a structured grid outside the boundary, and re-running a simulation of the entire reservoir field.
    • 当“计算机”的处理器执行时，“近井眼建模”软件将通过执行以下功能来模拟围绕并位于储层区域中的特定井眼附近的储层场的局部区域：（1）接收输入 表示包含多个井筒的储层场的数据，（2）在储层场内围绕一个特定的井眼建立边界，该边界将被单独建模和模拟，（3）在由边界组成的边界内施加“微细尺度”非结构网格 多个四面体形状的网格单元，并进一步在特定井筒的穿孔部分周围施加细微尺度的结构网格，（4）确定边界处的多个通量/压力值，表示储层场的特征的通量/压力值 位于边界之外，（5）为非结构化网格的每个四面体单元建立一个或多个属性，并且每个圆柱形网格单元 结构化网格，（6）运行模拟，使用边界处的通量/压力值模拟边界外的储层场，并使用边界内的精细尺度网格，从而确定分别对应的多个模拟结果， 对于位于边界内的多个网格单元，多个模拟结果代表位于边界内的储层场的一组特征，（7）显示表征位于边界内的储层场的多个模拟结果 ，（8）通过在边界内粗化网格来重新整合，在边界外部施加结构化网格，并重新运行整个油藏场的模拟。
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Global Dossier Espacenet 法律信息 同族专利 专利引用
    • 9. 发明申请
      US20070112547A1 Method and system for integrated reservoir and surface facility networks simulations 有权
    • Method and system for integrated reservoir and surface facility networks simulations
    • US20070112547A1
    • 2007-05-17
    • US10586283
    • 2002-11-23
    • Kassem Ghorayeb , Jonathan Holmes , Richard Torrens , Balraj Grewal
    • Kassem Ghorayeb , Jonathan Holmes , Richard Torrens , Balraj Grewal
    • G06G7/48
    • G06F17/5009 , E21B41/00 , E21B49/00 , G06F2217/06 , G06F2217/16 , G06F2217/80
    • Integrated surface-subsurface modeling has been shown to have a critical impact on field development and optimization. Integrated models are often necessary to analyze properly the pressure interaction between a reservoir and a constrained surface facility network, or to predict the behavior of several fields, which may have different fluid compositions, sharing a common surface facility. The latter is gaining a tremendous significance in recent deepwater field development. These applications require an integrated solution with the following capabilities: * to balance a surface network model with a reservoir simulation model in a robust and efficient manner. * To couple multiple reservoir models, production and injection networks, synchronising their advancement through time. * To allow the reservoir and surface network models to use their own independent fluid descriptions (black oil or compositional descriptions with differing sets of pseudo-components). * To apply global production and injection constraints to the coupled system (including the transfer of re-injection fluids between reservoirs). In this paper we describe a general-purpose multi-platform reservoir and network coupling controller having all the above features. The controller communicates with a selection of reservoir simulators and surface network simulators via an open message-passing interface. It manages the balancing of the reservoirs and surface networks, and synchronizes their advancement through time. The controller also applies the global production and injection constraints, and converts the hydrocarbon fluid streams between the different sets of pseudo-components used in the simulation models. The controller's coupling and synchronization algorithms are described, and example applications are provided. The flexibility of the controller's open interface makes it possible to plug in further modules (to perform optimization, for example) and additional simulators.
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Global Dossier Espacenet 法律信息 同族专利 专利引用
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