套管腐蚀会导致回注污水窜层，甚至威胁到饮用淡水层。
Casing corrosion could lead to cross-flow of re-injected sewage and even threatens fresh drinking water layers.
本文针对注水管线回注污水的特点，提出了一种新的地面注水管线酸洗除垢工艺。
This paper according to the characteristics of fill sewage up, introduces a new acid pickling surface lines treatment the scale technology.
文中提出了一种对油田回注污水处理过程中产生的污泥进行无害化处理的新方法。
The article presents a new method of rejection sludge caused by oilfield wastewater treatment.
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