The correct understanding of the formation sand production is critical.
正确认识地层出砂规律至关重要。
It is generally considered that formation sand production does not happen in low-permeability oilfields.
通常认为低渗透油田不会发生地层出砂。
Wellface stability and formation sand production in the process of production is one of tough problems in remaining oil production.
生产过程中的井壁稳定性和地层出砂问题是剩余油开采过程中的主要难题之一。
In steam injection production, the steam with HTHP can stimulate formation sand production. These statuses restrict the output of heavy oil.
注汽开采中高温高压蒸汽的频繁注入又加剧了地层出砂，这些状况极大地限制了稠油的有效开采。
On the basis of sieve analysis for the formation sand, through the simulation experiments of sand production, the sieve-opening sine of premium screen pipe for sand control was determined.
在分析地层砂粒度分布的基础上，通过室内出砂模拟实验，确定了该油田各油层的防砂筛管挡砂精度。
In a cold production process, the well gets a high oil production with withdrawal of large amount of sand and formation of foamy oil.
稠油出砂冷采是使油层大量出砂形成蚯蚓洞和形成稳定泡沫油而获得较高的原油产量。
Based on the numerical results, the effects of formation conductivity on the oil sand temperature and the effects of electrical power on the cumulative oil production are also discussed.
由数值计算结果，讨论了油藏电导率对温度分布的影响，以及加热功率和加热方式对原油累积产量的影响。
Sand reservoirs of Xujiahe Formation and lower Shaximiao Formation is the major gas production layers in continental elastics in Guannan Structure.
须家河组和下沙溪庙组的砂岩储层是官南构造陆相碎屑岩中的主要产气层。
Meanwhile, high formation pressure will reduce the possibility of sand production.
地层压力越高临界生产压力越低，因而越不易出砂。
The results show that higher formation pressure brings more stable formations and less sand production.
计算结果表明，地层压力越高，地层越稳定，越不容易出砂。
The results show that higher formation pressure brings more stable formations and less sand production.
计算结果表明，地层压力越高，地层越稳定，越不容易出砂。
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