To treat the produced water from oilfields to meet the injection water quality standard, the physical technology and the chemical technology are often applied.
对油田采出污水进行处理以达到注入水水质标准，通常采用物理处理技术和化学处理技术。
The damage to core permeability due to injection water quality is studied by means of core driving experiment with different water.
通过不同水样的岩心驱替实验，研究了注入水质对岩心渗透率的伤害率。
Treated Waste water quality arrived Xinjiang oil-field's injection water quality criterion, national second class drain away water criterion, and oil boiler supply water quality criterion.
处理后的水质达到了新疆油田注水水质标准、国家二级排放标准和油田锅炉给水水质标准。
This paper introduces a JKLQ - 25 fine filter which can be installed in wellhead to improve injection water quality.
文中介绍了JKLQ-25型注水井井口精细过滤器工作原理。
Water injection is an important measure for stabilizing oilfield production and the quality of the injected water directly influences the crude oil production.
注水是油田稳产的重要措施，注入水的质量直接关系到原油生产。
Controlling the water injection parameter solves the problems as water quality, difficult injection, well plugging and watered cut, which has acquired certain economical benefit.
严格控制注水参数，解决了水质超标、注水井注不进水、注水井堵塞、油井水淹等技术难题。
The factors and mechanisms of damages of injection water quality to reservoirs are analysed, based on the characteristics of reservoirs and fluids from Taixing oilfield.
根据台兴油田的储层和流体特征，分析了注水水质对储层的伤害因素和机理。
The watered-out zones, interpretation are very difficult because they are affected by many dynamic-factors, such as the quality of injection water, the degree of watered-out and patterns.
水淹层解释受注入水性质、水淹程度、泣采井网等动态因素的影响而具有相当的难度。
The effective filtering time is long, the cleaning time is reduced, and the water injection efficiency and the quality are improved.
达到有效过滤时间长，清洗次数减少，提高了注水效率和质量。
The effective filtering time is long, the cleaning time is reduced, and the water injection efficiency and the quality are improved.
达到有效过滤时间长，清洗次数减少，提高了注水效率和质量。
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