POLY-SAL

POLY-SAL starch is a high-quality, preserved polysaccharide used for filtration control and rheology stability in all types of water-base drilling fluids. This non-ionic, natural polymer is effective in all make-up waters, including high-salinity and high-hardness brines such as NaCl, KCl, MgCl2, CaCl2 and complex brines.

Applications

POLY-SAL is designed to reduce fluid loss and increase viscosity in all water-base muds. It is especially applicable and economical in saturated salt and brine systems where other products are not effective. This includes clear brines used during workover and completion operations.

POLY-SAL encapsulates particles with a protective polymer coating to function as a protective colloid. It is effective as a drilling fluid stabilizer, as well as a fluid-loss reducer, when evaporite formations such as anhydrite or salt must be drilled and when drilling hydratable shales. POLY-SAL contains a preservative and does not normally require a biocide.

Advantages

• Effective in a wide range of makeup waters, including high-salinity, high-hardness brines
• Functions in NaCl, KCl, MgCl2, CaCl2 and complex brines
• Performs satisfactorily over a wide pH range
• Minimizes filtration damage to production zones
• Pregelatinized for maximum effectiveness
• Provides wellbore stability through filtration control and encapsulation
• A preserved product that does not require a biocide