从渗流力学的基本规律出发,对几种不同类型储层驱替速度对提高油气采收率的影响进行了理论探讨。
On the basis of seepage flow mechanics, the impact of displacement rate on enhance oil recovery efficiency in different types of reservoir was investigated.
结果表明:单纯注入热水驱替效果不好,采收率提高幅度仅为0.20%;
The results indicate that the recovery ratio is only enhanced 0.20% simply by warm water driving.
近年来,提高原油采收率的重要措施是使用驱替液。
Recent years, the important measure to increase the crude oil recovery ratio is using displacing fluid.
根据替驱提高采收率措施的实践,氮气将成为气体驱替的主要气源。
According the practice of EOR measures, nitrogen gas will become the main gas origin of displacement.
对于细管驱替实验,混相条件的判断标准应该是采收率随驱替压力变化曲线上的拐点,而不是高的采收率。
For the slime-tube displacement test, the diagnostic criterion of miscible conditions is the flex point on the changing curve of oil recovery with displacement pressure, but not the high oil recovery.
井网产量设计的目的是为了使地层中的驱替过程达到均衡驱替,进而达到提高采收率的目的。
The purpose of flow rate design is to realize equilibrium flooding in reservoirs and to improve recovery factor.
前言:采用三种不同沉积韵律平面模型试验研究水驱后聚合物与水气交替联驱提高原油采收率的驱替特征。
This paper applies three area models of different sedimentary rhythms to investigate some characteristics about polymer-WAG associated flooding for EOR.
利用大型动态驱替装置,测定了不同条件下空气驱提高采收率情况,显示最终采收率可达36%左右。
Oil recovery enhanced by air drive at different conditions was tested by large dynamic displacement equipment with ultimate oil recovery up to 36%.
非混相驱提高采收率主要驱替机理是体积膨胀、粘度降低和重力稳定驱;
The main displacement mechanism of immiscible displacement is the volume expansion, the viscosity reducing and the gravity-stable drives;
非混相驱提高采收率主要驱替机理是体积膨胀、粘度降低和重力稳定驱;
The main displacement mechanism of immiscible displacement is the volume expansion, the viscosity reducing and the gravity-stable drives;
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