• 结果表明束缚水饱和度时,毛管岩石表面微粒起到稳定作用

    The result of experiments demonstrates capillary pressure may stabilize the particle on the sandstone at the minimum wetting phase saturation.

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  • 提出了一种新的流动系数取值方法能够准确描述停注过程中毛管作用引起现象

    A new method is established to determine flow coefficient which can well describe the imbibition phenomenon due to the action of capillary force.

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  • 研究表明周期注水改善开发效果中,各种作用大小不同,作用主要的,弹性力的作用是次要的,重力基本不起作用

    This study shows that for improving development effect in the cyclic flooding, order of roles played by various forces are: capillary force, elastic force, while gravity plays no part in it basically.

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  • 根据模拟计算结果防止基岩堵塞产生末端毛管效应抑制永久性锁具有重要作用

    According to the stimulation results, terminal capillary domino effect which produced by preventing base rock plugging plays an important role for inhibiting permanent water block.

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  • 周期注水技术主要是通过油水交效应毛管压力作用增加注水波及体积从而提高采收率的技术。

    Cyclic water injection increases swept volume through oil-water percolation effect and capillary pressure effect to improve water drive recovery factor.

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  • 剩余油数量分布情况受油层沉积韵律类型重力作用作用、油层渗透率强度等多种因素的制约。

    The quantity and distribution of remaining oil are dominated by the type of deposit rhythm, gravity and capillarity force, permeability and water flooding degree.

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  • 首次用数值解方研究考虑毛管效应、非达西效应及其耦合作用高速流动效应下凝析油气混合物渗流规律。

    This paper studies the two-phase flowing characteristics in gas condensate reservoir considering the capillary number effect and non-Darcy effect based on numerical solution method firstly.

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  • 结论毛管作用第一位的,弹性力的作用第二位的,水湿油层适合周期注水

    The conclusion is: capillary force is in first, elastic force is in second, water-wet oil reservoir is more suitable to cyclic water injection.

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  • 周期注水技术主要是通过油水效应、毛管压力作用增加注水波及体积,从而提高驱采收率的技术。

    The result shows that cyclic water injection may be more effective if increasing oil-water percolation rate, standup pressure time and water holdup coefficient.

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  • 基于饱和下渗理论考虑入渗雨水土壤水分作用根据力学原理提出一个简明的入渗模型及计算下渗锋面毛管吸力的方法。

    In this paper, a simple infiltration model is proposed on the basis of a theoretical consideration of infiltration and the displacement of existing soil water by newly-infiltrating rainfall.

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  • 结果表明:(1供试土壤相对气压72—75%时,开始明显呈现毛管凝聚作用

    The results are shown as follows:1. When the relative vapor pressure reached to 72-75%, capillary moisture condensation began to appear in the tested soil.

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  • 顶头斜轧穿孔主要变形工具之一作用实心穿轧一定壁厚的空心毛管

    Plug is one of the key deformation tools in cross piercing. Its function is turning a solid bar into a hollow bloom.

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  • 连轧机组中,延伸主要变形工序之一,对机组生产能力产品质量重要作用

    In tube continuous-rolling mills, steel tube con-rolling process is one of the main deformations, and plays an important role in capacity and quality of products.

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  • 连轧机组中,延伸主要变形工序之一,对机组生产能力产品质量重要作用

    In tube continuous-rolling mills, steel tube con-rolling process is one of the main deformations, and plays an important role in capacity and quality of products.

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