... appearance, nonlumping. It is anti- high temperature and salt, anti-collapse,and reduce filtration loss and so on. ... is the anti-sloughing agent used in freshwater and salt water drilling fluid , fluid loss additive.2.The ... ,mPa·s≤8.5Filtration loss,ml≤13.04% salt slurryApparent viscosity,mPa·s≤10.0Filtration loss, ml55± ... 3.04% of the salt water-based slurry by adding 15.0g / l ...