
SOL PHPA Pis a PHPA Powder (Partially Hydrolyzed Polyacrylamide) is a high-performance polymer additive used in water-based drilling fluid systems for shale inhibition, cuttings encapsulation, and viscosity control. In drilling operations, reactive shale formations can absorb water and disintegrate, leading to wellbore instability, poor hole cleaning, and operational challenges. PHPA Powder is specifically designed to stabilize these formations and improve overall drilling performance.
When added to drilling fluids, PHPA Powder hydrates and forms a protective polymer layer around shale and clay particles, preventing hydration and dispersion. This encapsulation helps maintain cuttings integrity, improves hole cleaning efficiency, and reduces issues such as bit balling and stuck pipe. It also contributes to viscosity building, enhancing the carrying capacity of the fluid. PHPA Powder is compatible with water-based mud (WBM) systems and performs effectively across a wide range of drilling environments, including offshore, extended reach drilling (ERD), and moderate to high-temperature conditions.
| Appearance | White Granular Powder |
|---|---|
| product Type | Polyacrylamide / Polyacrylate |
| Ionic Charge | Anionic |
| pH (1% Solution) | 6 – 8 |
| Solubility | Soluble in fresh water and brines |