Keywords crude oil dehydration;W/O crude oil emulsion;emulsion breakdown;demulsifiers;block-polyethers;molecular structural characteristics;solubility;demulsifying efficiency;heavy crude oil;

• 原油脱水;W/O型原油乳状液;破乳;破乳剂;嵌段聚醚;分子结构参数;溶解特性;破乳效果;稠油;