Reservoir pressure can be divided into normal pressure, abnormal high pressure and abnormal low pressure in terms of the ratio between formation pressure and hydrostatic pressure.
根据地层压力与静水压力的比值大小，可将地层压力分为异常高压、异常低压和正常压力三种压力状态。
On the basis of the material balance equation, this paper develops a method to predict the formation pressure using cumulative production data for normal pressure confined gas reservoir.
以正常压力系统封闭气藏的物质平衡方程序为基础，建立一种利用累积产气量计算气藏地层压力的方法。
The results indicate that the formation of calcium silicate hydrate is difficult at normal pressure.
针对铝酸钠溶液除硅过程，研究苛性比、碱浓度、配钙量、温度等对水合硅酸钙形成的影响规律。
The results indicate that the formation of calcium silicate hydrate is difficult at normal pressure.
针对铝酸钠溶液除硅过程，研究苛性比、碱浓度、配钙量、温度等对水合硅酸钙形成的影响规律。
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