... * Reduces fluid loss* High viscosity effects, maintains polymer drilling mud’s rheology* Resistance to contamination of salt and calcium-magnesium ... form “fish eyes”* Stabilizes borehole, reduces torque, improves quality of mud cake* Passes solid equipment smoothly, high efficiency, economical* Easy to ... to clothes or skin inadvertently, washed with vinegar and water. Additive for Drilling Fluid HP600