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(2)确定分析目标 (3)选定求解节点 使问题获得解决的节点称为求解节点,简称解节点或求解点。求解点的位置不影响求解 结果 (4)计算节点流入流出动态 从油藏到解节点的上游部分称为节点流入部分,从解节点到分离器的下游部分称为节点 流出部分,从上下游两部分可分别得出解节点处压力与产量或注入量的关系,即流入流出动 态。流入、流出动态曲线的交点称协调工作点。 节点流入 节点流出 5. restriction (5)动态拟合 对数学模型及有关参数进行拟合调整。 (6)应用 Selecting tubing and flow line sizes To determine flow rate at which an existing well will produce considering wellbore geometry and completion limitations(first by natural flow) To evaluate the effect of altering skin on well productivity To determine under what conditions(which may be related to time)a well will load or die To select the most economical time for the installation of artificial lift and to assist in the selection of optimum lift method(artificial lift design) (三)节点分析在设计和预测中的应用 1、不同油嘴下的产量预测与油嘴选择4 (2) 确定分析目标 (3) 选定求解节点 使问题获得解决的节点称为求解节点,简称解节点或求解点。求解点的位置不影响求解 结果。 (4) 计算节点流入流出动态 从油藏到解节点的上游部分称为节点流入部分,从解节点到分离器的下游部分称为节点 流出部分,从上下游两部分可分别得出解节点处压力与产量或注入量的关系,即流入流出动 态。流入、流出动态曲线的交点称协调工作点。 (5) 动态拟合 对数学模型及有关参数进行拟合调整。 (6) 应用 Selecting tubing and flow line sizes To determine flow rate at which an existing well will produce considering wellbore geometry and completion limitations (first by natural flow) To evaluate the effect of altering skin on well productivity To determine under what conditions (which may be related to time) a well will load or die To select the most economical time for the installation of artificial lift and to assist in the selection of optimum lift method (artificial lift design) (三)节点分析在设计和预测中的应用 1、不同油嘴下的产量预测与油嘴选择
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