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中文摘要：
从宏观的观点，包含水库和运作的参数的表达式为在 piston-piston-like 和 non-piston-like 排水量调查动人的接口的稳定性被建立。在 axi 对称的像活塞的排水量的情况中，稳定性与动人的接口位置和水有关给活动性比率上油。动人的接口的稳定性上的毛状的效果取决于动人的接口是否已经是稳定的并且与水库岩石的可湿性相关。在 non-piston-like 排水量的情况中，前面的稳定性被相对渗透和活动性比率管理。
英文摘要：
From the macroscopic point of view, expressions involving reservoir and operational parameters are established for investigating the stability of moving interface in piston- and non-piston-like displacements. In the case of axisymmetrical piston-like displacement, the stability is related to the moving interface position and water to oil mobility ratio. The capillary effect on the stability of moving interface depends on whether or not the moving interface is already stable and correlates with the wettability of the reservoir rock. In the case of non-piston-like displacement, the stability of the front is governed by both the relative permeability and the mobility ratio.
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