8 the mud should be pretreated with bicarbonate while drilling cement 当钻水泥塞时，应该用小苏打对泥浆进行预处理。
2.
Balanced cement plug 平衡水泥塞
3.
The cement from the7 ? csg job should not be a problem but if necessary soda ash and citric acid will be available 固完七?套管以后钻水泥塞不应该有任何问题，如果有的话，就用纯碱和柠檬酸处理。
