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。

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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。

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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。

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