原油含水是油气田开发过程中的普遍现象。含水原油在加工之前必须进行脱水脱盐处理。主要采用电脱盐的方法来实现油水分离，一般还需加入破乳剂以提高脱水效果。
...原油破乳；阳离子淀粉；调剖堵水 [gap=1060]Keywords: water soluble polymers; cationic macromolecule; crude oil demulsification; cationic starch; profile control/block-off water ..
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试验证明：原油破乳对聚醚引发剂有一定的选择性。
Experiment shows that to polyether initiator, crude emulsion breaking has definite selectivity.
研发原油破乳技术是现代石油工业领域的重要研究方向之一。
Development of demulsification techniques for crude oil emulsion is one of the most important research topics in petroleum industry.
聚合物驱工艺在稳定原油产量的同时也给原油破乳和污水处理增加了难度。
Polymer flooding technics can stabilize crude oil output, but it also increases the difficulty of crude oil demulsification and sewage treatment.
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