High-quality filtration additive for all water-based mud
POLY‐SAL HT additive is a high‐quality, preserved polysaccharide used to provide 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 and complex brines.
POLY‐SAL HT polymer is especially applicable and economical in saturated‐salt and brine systems where other products are not effective. This includes clear brines used for workover and completion operations.
POLY‐SAL HT additive 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 drilling evaporite formations such as anhydrite or salt and when drilling hydratable shales.
Advantages
- An economical, one‐sack, preserved product for filtration control and viscosity
- Effective in a wide range of make‐up 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
- Pre‐gelatinized for maximum effectiveness
- Provides wellbore stability through filtration control and encapsulation
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