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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。
- 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。
- 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
- 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;
- Keywords Low permeability pools;Low velocity;Non Darcy flow;Gas well;Well testing;Boundary condition;Laplace transform;Iteration.; 低渗透油气藏;低速;非达西渗流;气井;试井;边界条件;拉普拉斯变法;迭代法;
- Keywords Low permeability reservoir;Bingham fluid;Starting pressure gradient;Non Darcy flow;Water cut;Water saturation;Water drive;Drainage front;Development index; 低渗储集层;宾厄姆流体;启动压力梯度;非达西流;含水率;含水饱和度;水驱;排驱前缘;开发指标;
- Non Darcy flow 非达西流
- It concludes that percolation of roller compact concrete is of self-compactness by time effect under continuous action of water head and there may exist partial Darcy flow regime in roller compact concrete under high water head. 认为在持续水头作用下,碾压混凝土的渗透具有时效自密性;高水头作用下的碾压混凝土可能存在偏达西流现象。
- Langmuir Flow Effects in Ring Laser Gyros[J]. 引用该论文 袁晓东;高伯龙;曾明;张斌.
- 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
- The main factors to IGV-impeller interaction were also discussed to analyze the influence of unsteady flow effect upon flow field of impeller. 分析了非定常性应对叶轮内流场结构的影响。
- Plasma Langmuir flow effect produced by gas discharge was used to make sensitive component move at a certain velocity without further drive part. 利用气体放电产生的等离子体朗缪尔流效应来使敏感元件产生一定速度的运动,不需另外的驱动元件。
- Smooth-going is tender slippery effect, small bead make flowing effect much better, coarsen coarse skin restores bright and clean tender slippery. 平顺嫩滑效果,小珠使平滑效果更佳,使粗糙皮肤恢复光洁嫩滑。
- Howitt J S,Sekella T C. Flow Effects in Monolithic Honeycomb Automatic Catalystic Converters[C]. SAE Paper 740244. 帅石金;王建昕;庄人隽等.;车用催化转化器结构因素对流速分布的影响[J]
- This non sequitur invalidates his argument. 他不根据前提推理因而论证无效。
- Analysis and Calculation of Oblique Flow Effect 斜流效应的分析计算
- Patience is a sine qua non for a good teacher. 做个优秀教师必不可少的条件是要有耐心。
- The diplomat was declared persona non grata. 这位外交家被宣布为不受欢迎的使节。
- He is declared personal non grata and forced to leave the country. 他被宣布为不受欢迎的人而被迫离开该国。
- A free flow of water came from the pipe. 水从管道里通畅地流了出来。