用变分有限元方法对描述地下流体渗流的偏微分方程进行了分析。
The partial differential equation of flow in porous medium has been studied with variational finite element method.
气藏及凝析气藏中，束缚水含量对气藏储量计算、流体渗流有重要影响。
In gas and condensate gas reservoir, the content of the irreducible water has great importance to the calculation of reserve and the percolation of formation fluid.
在低渗透油田的开发过程中，油藏流体渗流和储层岩土之间存在明显的耦合作用。
During the development of low permeability reservoir, interaction between fluid flow and rock deformation is obvious.
根据流体渗流理论，利用原油产能指示参数预测模型可以对产层进行原油产能预测。
According to the theory of fluid seepage flow, oil-bearing productivity was predicted using the productivity index per meter.
通过不同粘度流体的岩心流动模拟实验，揭示粘度变化对流体渗流及开发效果的影响。
The influence of viscosity change on fluid percolation and development response is revealed through core flow test with fluids of different viscosity.
在油水两相中，流体渗流服从达西定律，由此可以建立流动单元的生产压差计算公式。
In oil and water phases, fluid percolation obeys Darcy's law. According to this, the formula for calculating producing pressure differences of the interwell fluid units could be established.
裂缝是致密储层流体渗流的主要通道，裂缝的发育、分布规律控制着裂缝性油气藏的分布。
Fracture is a main type of fluid flow path in tight reservoir rocks, and its development and distribution may control the formation of fractured hydrocarbon reservoirs.
该方法把由声波测井数据得到的斯通·利波衰减分为介质内衰减和孔隙流体渗流衰减两部分。
In this method, Stoneley wave attenuation from AC log is divided into two parts: attenuation through porous media and percolation attenuation through pore-fluid.
因此，变形介质气藏的渗流问题实际上是一个流体渗流与岩石变形动态耦合作用极强的过程。
Therefore, the percolation of the deformed media gas reservoir is a process with the strong dynamic coupling between the fluid percolation and the rock deformation.
实验研究和现场实践表明，流体渗流的非线性和流态的多变性是复杂介质储层中的主要特征。
The experiments and practice demonstrate that the non_linearity of fluids flow and variability of flow states are the main features of fluids flow in the reservoirs composed of complicated media.
实验研究和现场实践表明，流体渗流的非线性和流态的多变性是复杂介质储层中的主要特征。
The experiments and practice demonstrate that the non-linearity of fluids flow and variability of flow states are the main features of fluids flow in the reservoirs composed of complicated media.
应用该计算方法和控制技术对大庆油田待钻修井地层孔隙压力和孔隙流体渗流速度进行了计算。
The methods and techniques are used to calculate the pore pressure and filtration velocity of pore fluid from the formation that workover will be conducted in Daqing Oilfield.
分别采用有限差分法和有限元法对流固耦合流体渗流数学模型与岩石变形数学模型进行了求解。
The mathematical model of fluid percolation and rock deformation of fluid-solid coupling is solved with the finite difference method and the finite element method respectively.
而传统的油藏数值模拟理论都是建立在达西定律之上的，因而它很难反映低渗介质中的流体渗流特征。
It is very difficult for the conventional numerical reservoir simulation theories to describe the characteristic of fluid flow in low permeability media, because they are all based on the Darcy's law.
影响流动单元流体渗流特征的因素主要取决于流体性质、储层性质、流动情况等渗流特征的三大要素。
The major factors controlling fluid percolation of the reservoir flow unit mainly depend on the nature of fluids, characteristics of the reservoir and and liquid flowing behavior.
基于可压缩流体不稳定流动理论及地层流体渗流理论，建立了气体钻井过程中井筒瞬态流动的数学模型。
Based on the theory of unsteady flow of compressible fluid and the seepage theory of formation fluid, the mathematical model of the gas transient flow in the wellbore has been established.
在石油天然气开采、煤层气开发及煤矿瓦斯抽放等工程领域中，都存在着裂缝中气液二相流体渗流的问题。
In many engineering such as oil-gas exploitation, coalbed methane exploitation and extraction, there always occurs gas-liquid two-phase flow through a fracture.
针对饱和土固结问题，利用可变形多孔介质中流体渗流的流固耦合有限元数值模型，对该问题进行了数值模拟。
The soil consolidation can be simulated by using a finite element numerical model of fluid-solid coupling of fluid seepage in a deformable porous medium.
同时，局部小裂隙、区域大裂隙应当区别对待，以便据其所起的作用及水力特征，建立裂隙化岩体相应的流体渗流模型。
Furthermore, various conceptual fluid flow models are presented to reflect the different flow features of both minor and major fractures identified in fractured rock masses.
实验研究了外加直流电场作用下水驱油藏多孔介质中的流体渗流速度、阻力系数、储层渗透率及原油采收率的变化特性。
The variation of seepage velocity, resistance coefficient, reservoir permeability and oil recovery in porous media of water-drive reservoir in direct current (DC) electric field are studied in detail.
油藏孔隙流体渗流、温度变化和岩石变形三者之间相互影响、相互作用，这就是所谓的渗流一应力(应变)-温度三场耦合问题。
Reservoir fluid flowing, temperature and reservoir rock deformation are interacting and inter-influencing, this is so-called fluid seepage flowing-stress (strain) -temperature coupling.
基于砂岩中流体渗流的细观实验 ，引入随机理论描述了渗流边界的演化过程 ，研究了孔隙介质细观结构对渗流行为的影响 ，揭示了渗流边界出现复杂形貌的机理。
Based on the meso-experiment of water flow in sandstone, the stochastic theory is introduced to investigate the evolution process of seepage boundary in this paper.
第二类模型为完全耦合模型，包括耦合温度场方程、流体耦合渗流方程和岩石耦合变形方程。
The second kind of model is complete coupling one and this model includes the coupling temperature field equation, fluid coupling seepage model equation, rock coupling deformation equation.
煤基质的孔隙性对流体流动影响极小，试井所得渗透率反映的是割理系统的渗流能力。
The matrix pores in coal play a little role in fluid flow, therefore the permeability derived from well test is the reflection of the percolation flow capacity in cleat system.
本文从流体扩散能量迭加原理出发，建立了裂隙岩体介质的渗流张量解析表达式。
Based on the principle of fluid diffusion energy superposition, an analytical expression formula of seepage tensor in the fractured rock mass medium is established.
裂缝性储层以溶孔、溶洞及裂缝为主要储集空间，同时，裂缝又是流体的渗流通道。
The main reservoir space of fractured reservoir are dissolved pores, karst cave and fracture. At the same time, fracture is the flow channel of fluid.
在这个数值模型中，材料在开裂破坏过程中流体压力传递通过单元渗流损伤耦合迭代来实现。
In this numerical model the fluid pressure transmission during the rupture-failure process of material is achieved by the coupling and iteration of flow-damage of an element.
分析了微孔渗流中的界面现象及其作用；讨论了温度、压力等参数变化时，界面参数、多孔介质参数的变化导致界面现象的变化，从而影响流体在微孔中的行为。
This paper analyzed the function of interfacial phenomena, the parameters of interphase and porous material varying with the temperature and pressure acting on the flow.
多孔介质中的流体运动和它产生的渗流模型，都是分形的研究对象。
Porous Media and its fluid movement arising from the seepage model is fractal of the study.
多孔介质中的流体运动和它产生的渗流模型，都是分形的研究对象。
Porous Media and its fluid movement arising from the seepage model is fractal of the study.
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