【摘要】 分析了含泥质砂岩油藏长期水驱后的变化情况,抽象地给出了含泥质砂岩油藏水驱后的模型,并从这一模型和静态时间平均方程出发,推导出了动态的时间平均方程。用这一方程分析了含泥质砂岩油藏水驱后速度的变化情况,得出了一个很有实际意义的结论,即含泥质砂岩油藏水驱后速度一般呈降低的趋势,这与纯砂岩油藏水驱后的速度变化刚好相反。更多还原

【Abstract】 In the paper, we analyzed the variety of the shaly sand reservoir by water-flooding for a long time and abstracted a model of the reservoir. Moreover, we also derived a dynamic average equation from the model and the static average equation in the time domain. Applying the equation to analyze the velocity variety of the shaly sand reservoir by water-flooding, we elicited a conclusion with the realistic meaning, that is, the velocity of the shaly sand reservoir after water-flooding indicated the decreasing trend, which is contrary to the pure sandstone reservoir.更多还原