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 为了更好的帮助您理解掌握查询词或其译词在地道英语中的实际用法，我们为您准备了出自英文原文的大量英语例句，供您参考。 
In order to deal with large problems, a pair of trust region subproblems in horizontal and vertical subspaces is used to replace the general full trust region subproblem.


The horizontal trust region subproblem in the algorithm is only a general trust region subproblem while the vertical trust region subproblem is defined by a parameter size of the vertical direction subject only to an ellipsoidal constraint.


That is, the plot with the fitted response ? on the horizontal axis and the observed y on the vertical axis can be used to visualize the link function.


It was found that the vertical magnetic anisotropy would drop lineally with the increase of the array diameter.


In contrast, under AFM nanoindentation mode, the tipinduced crystallization occurred when a sufficiently high vertical tip force was applied to the melt droplets of PEO with Mn ? 1.0 × 104 g/mol.

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 This paper introduces a math model of bypassing flow concerning the ideal gas and real gas produced from the upper permeable reservoir separated from the lower per meable reservoir by a dense intercalation with low permeability and both of the reservoirs may be of single medium or double porous media. The accurate solution of infinite formation and the longterm asymptotic solution applied on the spot are obtained from this math model, from which the interpretation and analysis of the buildup curve, vertical... This paper introduces a math model of bypassing flow concerning the ideal gas and real gas produced from the upper permeable reservoir separated from the lower per meable reservoir by a dense intercalation with low permeability and both of the reservoirs may be of single medium or double porous media. The accurate solution of infinite formation and the longterm asymptotic solution applied on the spot are obtained from this math model, from which the interpretation and analysis of the buildup curve, vertical interferenc test and vertical pulse well testing of the individual well and multiwell of gas pool with single medium or double porous media are performed.  本文建立了单一介质、双重介质的两个渗透气层被一个致密低渗透层隔开,在上渗透层开采的理想天然气和真实天然气越流问题的数学模型,求得无穷大地层的精确解和矿场实用的长时潮近解,借以进行单一介质、双重介质气藏单井、多井的压力恢复曲线、垂向干扰试井、垂向脉冲试井的解释分析。  Xihepu formation (miocene) of Kokeya condensate field can be divided into two members, upper member and lower one. The former, indicated as X_4~2—X_5~2, sequenel, is a secondary oilgas condensate reservoir with edge water and oilring gas cap. During the production, it is recognized that there were three periods of the reservoir pressure, i. e, stable, falloff and buildup periods. The change in pressure gradient was evidently controlled by its edge water horizontally or vertically.Belonging to fluvial sedimentary... Xihepu formation (miocene) of Kokeya condensate field can be divided into two members, upper member and lower one. The former, indicated as X_4~2—X_5~2, sequenel, is a secondary oilgas condensate reservoir with edge water and oilring gas cap. During the production, it is recognized that there were three periods of the reservoir pressure, i. e, stable, falloff and buildup periods. The change in pressure gradient was evidently controlled by its edge water horizontally or vertically.Belonging to fluvial sedimentary facies, this reservoir is characterized by serious heterogeneities with permeability changing from higher for the lower to lower for the upper, and the horizontal higher than the vertical. However, no cross flow occurred between zones. The effect of the edge water and gas cap on the properties of its oilgas condensate has been variable during the period of production and, with increase of oilgas ratio, the content of condensate was reduced generally.  柯克亚凝析油气田上第三系中新统西河甫组分上、下两套油组。上油组X_4~2—X_5~2开发层系为具边水、气顶带油环的次生凝析油气藏,地层压力在开发过程中分稳定期、衰减期和回升期三个阶段,平面或垂向的压力梯度变化明显受边水驱控制。 X_4~2—X_5~2储层属河流相沉积,非均质性严重,渗透性能具有下大上小、水平渗透率高于垂直渗透率的特点,但层间不存在窜流现象。开采过程中,油气性质受边水和气顶影响,变化不一;生产油气比不断上升,凝析油含量普遍下降。  Finite element method has been used to study the flow characteristics of perforated wells and to investigate perforator penetration and damage mechanism in combination with core target experiments. Establishment of a finite element mathematical model for a core perforation and its numerical solution are presented in detail. The effect on productivity ratio and skin factor of depth of penetration, hole diameter, hole density, phase, format, damage depth, damage percentage, compaction zone depth, compaction perc... Finite element method has been used to study the flow characteristics of perforated wells and to investigate perforator penetration and damage mechanism in combination with core target experiments. Establishment of a finite element mathematical model for a core perforation and its numerical solution are presented in detail. The effect on productivity ratio and skin factor of depth of penetration, hole diameter, hole density, phase, format, damage depth, damage percentage, compaction zone depth, compaction perc entage, wellbore radius, drainage boundary radius, K_z/K_r ratio, bottom hole pressure, boundary pressure and production pressure difference is considered in the mathematical model. Grid sensitivity analysis ensures convergence and accuracy of calculation. An example is given to illustate the flow behavior of the core target, and the effect of perforating parameters on productivity ratio is analyzed. The table listed in API RP 43 is shown by calculation, electric modelling and core target experiment to be less reliable. Revision of these data will help evaluation of core flow efficiency. Compaction zone permeability can also be obtained by back calculation.  本文探讨了有限元方法在射孔研究中的应用,较详细的论述了射孔有限元数学模型的建立及数值求解方法。数学模型考虑了孔深、孔径、孔密、相位、格式、污染深度、污染程度、压实带厚度、压实程度、井筒半径、边界半径、地层垂向与径向渗透率比值、井底压力、边界压力、生产压差等十四个参数对射孔井产率比、表皮系数的影响。利用网格敏感度分析方法保证了数值计算的收敛性和精度。举例说明了有限元法所得出的射孔岩心靶流动规律,和分析了射孔参数对PR的影响。   << 更多相关文摘 
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