Reduce filtration loss effectively; Increase viscosity slightly; Degradable, non-toxic and no harm the environment; Resist salt to saturation, reasonable calcium and magnesium resistance; Good filtration control performance under the condition of both low and high temperature.
This product could be added into drilling fluid directly or slowly added into water to form dense colloid solution in case of forming large blocks to influence solution rate. Suggested dosage is 0.5-1 %.
40g/l saline water
Saturated saline water