The model consists of perforation, wellbore, cement casing, oil layer, micro-annulus and transverse fracture.
模型中包括射孔孔眼、套管、水泥环、油层、微环隙和横向裂缝。
Developed wellbore transient flow model and friction calculating method for the sand mixed fluids effected by propant.
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。
And rock mechanical parameters are essential to the wellbore stability evaluation, so developing the model of rock mechanical parameters evaluation while drilling becomes core of the work.
岩石力学参数是随钻井眼稳定性评价的基础参数，所以，建立岩石力学参数随钻评价模型，成为此项工作的核心。
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.
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。
A new coalbed methane transient seepage flow model with multi-wells is developed by considering the wellbore storage and skin effect.
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。
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.
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。
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.
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。
In view of the hydrodynamic complexity of the wellbore, the definite condition of the model has been discussed, and the numerical solution has been presented.
针对井内水动力体系的复杂特点，讨论了模型的定解条件，并对模型进行了数值求解。
With corresponding boundary conditions, the mathematical model for semi-infinite wellbore is analyzed and solved to get the pressure distribution in horizontal interval.
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。
Establish the transient flow model of the horizontal well for the uniform flux and infinite conductivity wellbore type.
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。
Based on the mass, momentum and energy conservation of fluids in multiphase wellbore flow, the coupling model to predict pressure and temperature is deduced.
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；
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.
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。
The paper deals with the model of a pulsing theory considering wellbore storage and wall skin effect.
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 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.
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 model takes into account the effect of the heat transfer in the wellbore and fractures during fracturing fluid injection on fracture geometry.
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 peculiarity of this wellbore stability model is to determine whether the wellbore rock is in the critical plastic state rather than elastic limit state.
依据井壁围岩是否达到临界塑性状态而不是弹性极限状态来判断井壁稳定性是气体钻井井壁稳定分析模型的特殊之处。
A mathematical model coupling fluid flow in the reservoir with the flow in the horizontal wellbore is developed and the method for solving the model is presented.
提出了把油层中的渗流与水平井筒内的流动耦合的数学模型及求解方法。
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.
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。
A 3-d mathematical model, which is solved by SIMPLER algorithm, to describe the flow and heat trans fer in a wellbore is developed.
本文提出了一个描述井内流动和传热的三维数学模型，用SIMPLER方法获得了该数学模型的数值解。
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.
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。
The model is applied in evaluation of rock mechanics and wellbore stability in some areas, and it wins a good effect.
并将建立的模型应用于某地区的岩石力学参数及井眼稳定性评价中，现场应用取得了很好的效果。
Based on the theory of annular gas-liquid two-phase flow, a model to calculate gas-cutting fluid flow in wellbore is established, and meanwhile a numerical solution to the model is given.
以环空气液两相流动为理论基础，建立了井筒气侵流动计算模型，同时给出了计算模型的数值求解方法。
The flow of oil and sand mixture in horizontal wellbore is a special flow model of solid-liquid two phase flow in pipe flow actually.
含砂原油在水平井水平段中的流动是液固两相沉降性浆体水平管流的一种特殊形式。
The flow of oil and sand mixture in horizontal wellbore is a special flow model of solid-liquid two phase flow in pipe flow actually.
含砂原油在水平井水平段中的流动是液固两相沉降性浆体水平管流的一种特殊形式。
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