在饱和油藏中的油与位于它上面的气顶之间的边界。
The boundary between the oil and the gas cap in a subsurface, saturated oil reservoir.
本文首次建立了有限含水层未饱和油藏物质平衡微分方程组。
In this paper, a set of differential equations of an undersaturated oil reservoir in a finite aquifer system is established for the first time based on the material balance principle.
冷东—雷家地区储层类型复杂，原油凝固点高，属于低饱和或不饱和油藏。
The type of reservoir at Lengdong-leijia region is complicate, and solidification point of its crude oil is high and that belongs to low saturated or unsaturated oil reservoir.
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