Polymeric High Temperature Deflocculant Liquid
High Temperature Deflocculant is a Anionic Acrylate Copolymer, specially designed to control rheology, reduce gel strength, and minimize flocculation in water-based drilling fluids operating under high temperature and high-pressure (HTHP) conditions.
It is a highly efficient anionic polymer formulated to withstand extreme downhole temperatures, typically up to 220–250°C . It maintains its dispersing and thinning performance even in the presence of high salinity, calcium/magnesium contamination, and polyvalent ions.
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Key Functions
- Controls Rheology: Reduces and stabilizes plastic viscosity (PV) and yield point (YP).
- Prevents Clay Aggregation: Inhibits flocculation of bentonite and drilled solids.
- Thermal Stability: Maintains performance at elevated temperatures in deep and ultra-deep wells.
- Salt & Contamination Resistant: Effective in environments with high NaCl, CaCl₂, or other contaminants.
- Improves Pumpability: Helps maintain manageable mud flow properties in HPHT applications.
- Minimizes Solids Buildup: Enhances solids dispersion and helps manage low-gravity solids.
- Enhances Wellbore Stability: Reduces formation damage by controlling colloidal particles.
Specification
| Parameters | Test Results |
|---|---|
| Physical State | Free flow light yellow liquid. |
| Flash Point | 110 ‘C |
| pH ( 5% solution ) | 4.5 |
| Sp. Gravity | 1.02 |