... , emulsifier, suspending agent, stabilizer 2. Can increase the viscosity of drilling fluid and shear force, widely used in non ... and workover fluid, to effectively prevent formation damage. 3. High viscosity, characteristics of well lsalt-resistant 4. pH stability, well ... temperature range (-18-130 º C) 5. Unique rheology, the viscosity of the solution decreased rapidly through the shear action, once ...