This paper analyzes the unsteady-state flow of a slightly compressible fluid into a slanted well and gives an equation for calculating the partial penetration and slanting of a well.

研究了微可压缩流体在斜井内的不稳定流动状态，给出了数学模型，推导出了油井的完善程度和油井倾斜造成的表皮因子的计算式。

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In this paper, a non-linear model for two dimension and two phases unsteady state flow through a porous medium is solved by a variational finite element method.

本文用变分有限元方法处理了两维两相非线性不稳定渗流模型。

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This paper considers the unsteady state flow behavior in a composite reservoir with an impermeable subregion by using Boundary Element Method (BEM).

本文考虑这种复合油藏的渗流问题并提出边界元(BEM)分析方法。

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