A series of nonionic block polyether demulsifiers with different molecular weights and PEO/PPO composition ratios were synthesized for high asphaltene crude oil in Shengli Oilfield.

• 本文针对胜利油田高含沥青质原油合成了一系列不同分子量和PEO/PPO比值的嵌段聚醚型破乳剂,并考察了其对高含沥青原油的破乳脱水规律。