The different additives such as S27,SM-B, XS-Z,R90,T50 are used in terms of the cement slurries, for example, fresh water slurry, salt water slurry, low or high density slurries.

• 针对淡、盐水、低密度、高密度水泥浆分别选用了S27、SM-B、XS-2、R90系列、T50系列降滤失剂。经降滤失剂处理过的水泥浆其滤失量、稠化时间、抗压强度等性能均符合现场施工要求。