Oil field development process can certainly produce oily sludge. With the acceleration of the progress of field development and the improvement of environmental protection requirements, how to deal with oily sludge has become a problem that urgent to be solved. In order to achieve our country's proposed requirements- reduction, detoxification, resource processing, a lot of research work had been carried out. This paper did a brief introduction of sludge treatment process of China Daqing, Shengli and other oil fields and made prospects of sludge treatment, on the basis of introduction of the sludge treatment technologies at home and abroad.
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