建立了各种边界条件下考虑井筒储存效应和表皮效应的非线性不稳定渗流数学模型，并用数值法对其求解。
The nonlinear mathematical models with wellbore storage and skin effects under several boundary conditions were established and solved by using numerical methods.
建立了井筒不稳定流动模型，提出了支撑剂影响下的混砂液摩阻计算方法。
Developed wellbore transient flow model and friction calculating method for the sand mixed fluids effected by propant.
针对这一现象，运用现场数据以及物理模拟和数学模拟方法首次通过对CO气体流动、扩散等的综合研究，建立了CO井筒流动及大气扩散模型。
In survey of this phenomenon, using spot date, physical and mathematics stimulant method, flowage and diffusion are studied and wellbore flow and air diffusion model of CO are established.
以油气层渗流及多相流理论为基础，将地层渗流与井筒复杂多以动结合考虑，建立了一套动态理论模型，并采用数值方法和技术进行了求解和计算分析。
Based on the theories of formation percolation and multiphase transient flow, a system of dynamic models which couples the multiphase flow in wellbore with the formation percolation is developed.
建立了在多井条件下考虑井筒储存和表皮效应的煤层气不定常渗流模型。
A new coalbed methane transient seepage flow model with multi-wells is developed by considering the wellbore storage and skin effect.
基于质量、动量和能量守恒定律及井筒径向传热理论建立了流体压力、温度分布预测数学模型。
Based on mass, momentum, energy conservation and the theory of wellbore radius heat transmission, established fluid pressure and temperature distribution prediction mathematical models.
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.
实际工程应用表明，这种模型能揭示出井筒及其附近的浆液压强特点。
A practical application shows that the grout pressure distribution around shaft lining and adjacent aquifers can be figured out by this model.
通过相应的边界条件，对半无限长井筒的数学模型进行解析求解，得到水平段的压力分布，并对连续油管车所测的实际数据进行了分析。
With corresponding boundary conditions, the mathematical model for semi-infinite wellbore is analyzed and solved to get the pressure distribution in horizontal interval.
建立了水平井筒为均布渗流型和无限导流型的不稳定渗流模型。
Establish the transient flow model of the horizontal well for the uniform flux and infinite conductivity wellbore type.
在混合损失计算模型的基础上，应用动量守恒原理推导出了新的水平井筒气液两相分层流型压降计算模型。
Based on the model to calculate mixture loss, a new calculation model of pressure drop for stratified flow in horizontal wellbore has been developed by applying the momentum conservation equation.
该模型考虑了注液过程中的井筒温度变化和裂缝中的热交换对裂缝几何形态的影响。
The model takes into account the effect of the heat transfer in the wellbore and fractures during fracturing fluid injection on fracture geometry.
由此得到了考虑井筒压降时各种情况下分支井汇流特性及产能预测模型，并研制了相应的计算机软件。
The confluence character and productivity prediction model with considering pressure drop along multilateral wellbore are developed using the coupling model and a related software is also developed.
本文在无限大均质地层弹性不稳定渗流模型解析解的基础上，建立了与地层耦合的水平井筒压降模型。
A pressure drop model in horizontal well was established on the basis of the analytical solution of an elastic and unsteady seepage flow model in infinite reservoir.
提出了溶洞和井筒连接的试井偏微分方程数学模型，并采用正交变换法得到了其解析解。
In this paper, we found Large-scale cave and shaft connected Test partial differential equation model, and obtain its analytical solution by orthogonal transformation metho.
利用热力学、流体力学原理，建立了热采井注汽过程井筒沿程蒸汽干度分布计算模型。
A model is established to calculate the steam quality distribution along the well bore during steam injection of thermal recovery Wells, based on related thermodynamics and hydromechanics principles.
结合塔河油田的实际地质资料，建立了裂缝和溶洞-井筒连通的试井解释模型和相应的数学模型。
Based on the geological data of Tahe Oilfield, the well test interpretation model of the reservoir with the fracture and vug which are connected with well-bore is established.
通过分析井筒周围应力场和裂缝应力场，分别建立了井筒周围应力场模型和裂缝的有效应力模型。
Through analyzes around the wellbore stress field and the crack stress field, has established around separately the wellbore stress field model and the crack effective stress model.
本文详细讨论了模型的差分求解、边界条件的处理方法和井底井筒流体与储层流体耦合的计算。
It was discussed in details that the model by difference method, the treatment of the ambient condition and the calculation of well flow model being coupled with reservoir.
揭示矿山立井井筒与周围表土之间剪切力的分布规律，为正确的立井井筒力学模型建立奠定理论基础。
The purpose of this paper is to find the distribution laws of the shear force between vertical shaft and surface soil, and to lay a foundation for mechanical model of shaft in soil.
建立了高温高压油气井测试、采油等作业中因井筒温度发生变化导致的套管附加载荷计算模型。
A mathematical model for calculating the additional load on casing because of temperature changing during testing and production operation in HPHT well is established.
其次是建立了气藏内流动模型、水平井井筒内流动模型、水平段最优长度数学模型，在建立模型过程中考虑了水平段内摩阻损失和流动状态对水平井产能的影响。
Then it constructs the flow model within gas reservoirs, flow model within the well bore of horizontal Wells and the mathematical model of the optimized length in the horizontal sector.
该模型能用于预测任意分支井的流入剖面和井筒内及井筒周围的压力分布。
This model can be used to predict the inflow profile of arbitrary lateral hole and the pressure distribution inner hole and around hole.
在薄板理论的基础上，建立了立井井筒底板突水的突变模型。
On the basis of the thin plate theory, the cusp catastrophe model of water outburst at vertical shaft floor could be set.
基于井筒多相流流体质量、动量、能量守恒原理，导出了描述其井筒压力、温度预测耦合模型；
Based on the mass, momentum and energy conservation of fluids in multiphase wellbore flow, the coupling model to predict pressure and temperature is deduced.
建立了稠油热采中井筒注汽优化模型，并用穷举法进行了求解。对蒸汽吞吐和蒸汽驱井筒注汽两种情况进行了实例计算和分析。
A model for optimizing the steam injection process in thermal recovery wellbore is developed and solved with enumeration method under two kinds of conditions, namely steam soak and steam flooding.
本文给出考虑井筒储存和井壁的表皮效应的脉冲试井理论模型。
The paper deals with the model of a pulsing theory considering wellbore storage and wall skin effect.
模型主要包括井筒流动模型、不稳定储层流动模型、液体界面移动模型和酸蚀蚓孔模型等。
The models was established of the following components: wellbore flow model, unstable reservoir flow model, the fluid interface movement model, acid etching wormhole model and etc.
建立了注酸过程中水平井井筒温度场模型及渗透率各向异性地层温度场模型，提出了对酸化施工有指导意义的结论和建议；
Set up well bore temperature field model and permeability anisotropic formation temperature field model, and put forward some instructive advices for acidizing job;
建立了注酸过程中水平井井筒温度场模型及渗透率各向异性地层温度场模型，提出了对酸化施工有指导意义的结论和建议；
Set up well bore temperature field model and permeability anisotropic formation temperature field model, and put forward some instructive advices for acidizing job;
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