环保注水--一种新式的污水处理方式

针对油田污水回注过程中污染处理成本高且水质难以达标，特别是低不渗透油藏对污水回注的要求更高。苏北油田经过多年分析、论证，提出一种新式污水处理方式－－环保注水，重点介绍了环保注水的工艺流程、现场试验及对环保注水的认识。

Water Injection Under the Environmental Protection--A New Way of Sewage Disposal

Currently, the cost of sewage disposal in oilfield is much higher, the quality of water is hard to reach high level, and the situation is worse in low permeability reservoirs. In view of above condition,the paper presents a new way of sewage disposal-water injection under the environmental protection based on analysis and proof in Subei Oilfield. It emphasizes the technological process and the field test of water injection under the environmental protection.