基于核磁共振技术评价气田采出水对地层的伤害机理
杜康, 刘永国, 郭萍, 陈志刚, 慕进升, 黄凯, 王琛

Evaluation of damage mechanism of gas field produced water based on nuclear magnetic resonance technology
Kang DU, Yongguo LIU, Ping GUO, Zhigang CHEN, Jinsheng MU, Kai HUANG, Chen WANG
表3 各处理工艺水样悬浮物粒径均值、中值、最大粒径下降率统计
Table 3 Statistics of the mean, median and maximum particle size reduction rates of water samples in each treatment process
处理工艺实验组粒径平均值下降率/%粒径中值下降率/%粒径最大值下降率/%
沉降除油第1组24.0424.728.41
沉降除油+二级过滤第2组74.2973.8972.83
沉降除油+二级过滤第3组54.5149.5870.20
破乳+油水分离+沉降除油+气浮+旋流分离+过滤第4组76.3177.4681.56
沉降除油第5组28.0332.9817.03