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- During the process of the deviation,it considers the effect of non Darcy flow and the anisotrophy of gas layers on the productivity of horizontal wells. 从表皮因子的概念出发,推导出非达西流下水平井裸眼完井表皮因子的解析模型,并用有限元法计算结果验证了所推导模型的正确性。
- On the basis of the Darcy's law and the established seepage flow model,two composite formulas of permeability were derived with mathematic calculation. 根据达西定律及建立的渗流模型,经过数学推导,得到垂向和水平方向两类渗流模型的渗透率合成公式。
- Seepage flow can be observed in stalactite caves. 在钟乳石溶洞里,可以见到渗流现象。
- According to the additional flow resistance areas formed by sand control measures and corresponding skin factors,considering the non Darcy flow, the calculation method of NPI and PR is educed. 结合防砂前油井流入动态,根据当量产能比可预测防砂后油井流入动态。
- The typical seepage flow field of the bottom for the spillway dam is obtai... 最后计算了典型的坝基渗流流场,计算结果与实验结果吻合较好。
- A mathematical model of two phase non Darcy percolation has been established for reservoirs with anisotropic dual media of low permeability, and is solved by using finite difference method. 注水开发这种油藏时,见水前注入率不能太大;见水后可适当增大注入率(存在一最佳注入率),以减弱非达西流的影响,对于低渗双重介质油藏开发有重要指导意
- We now turn our attention to a quite different kind of flow, the seepage flow of a fluid through a porous medium. 现在我们要把注意力转向完全不同的一类流动,即通过多孔介质的渗流。
- Using this method, the trend of the seepage flow is analyzed in No. 1 tailings dam of Dexing Copper Mine. 该方法将时间序列、数据序列分离,并分别与阶段序列构成模型后,进行同步预测。
- At same time, the critical water level is proposed in accord with the trend of seepage flow of dam. 同时以大坝综合渗透率是否随时间增大为标准,提出了监控大坝渗流稳定的临界水位,对实际运行监控有一定意义。
- Then the characteristics of the seepage flow associated with the heightening of the ash dam are studied in detail. 在此基础上,进一步对该灰场灰坝加高过程中的渗流问题进行了数值预报。
- Pressure Drop Calculation Of Non Darcy Flow At High Velocity For Gas Well 气井高速非达西流动附加压降计算公式的修正
- The seepage flow characteristics of this block were simulated by exerting different back-pressure for core. 得到了裂缝性低渗透储层岩心水相渗透率随回压的变化曲线。
- As we know, there are close relations among gas hydrates and faults, carbonate, seepage flow and salt diapirism. 天然气水合物与断层、碳酸盐岩、渗流和盐底辟等构造都有比较密切的关系。
- This paper discusses the seepage flow characteristic of the single phase fluid in ultra-low permeable cores using experimental method. 通过实验手段,探索了特低渗透率岩心单相流体渗流特征。
- Seepage flow numeration is an effective tool for simulation,dynamic analysis,effect evaluation and forecast of drainage process in rockmass. 渗流数值计算是岩体排水设施和仿真模拟、动态分析、效果评价及预测的有效工具。
- A three dimensional mathematical model of seepage flow is established based on the background of ash dump of Shouyangshan Power Plant. 摘要以首阳山电厂徐家沟灰场为背景,建立了渗流运动的三维数学模型,并用有限元法进行了数值计算。
- A generalized equivalent-continuum method is presented for calculating variably saturated seepage flow in fractured porous media. 描述了一种计算裂隙多孔介质中变饱和渗流的广义等效连续体方法。
- There are two conditions in the data analysis of piezometric tube observation: confined seepage flow and unconfined seepage flow. (2)建立大坝有压渗流观测资料的统计分析模型。
- Keywords Low permeability pool;Porous media;Interface;Intermolecular force;Non Darcy flow;Influence; 低渗透油气藏;多孔介质;界面;分子间力;非达西流;达西渗流;影响;
- Mathematical model of seepage flow about waterlocks groundwork is set up, Infiltration room and haplont are ascertained too. Engineering example is given. 摘要建立闸基渗流数学模型,确定渗流场域和单元体,给出工程实例。