
specialty
PHPA Oilfield Grade
Our PHPA is engineered for oilfield applications. With molecular weight of 15-25 million and controlled hydrolysis degree of 25-35%, it provides excellent viscosity for polymer flooding EOR and superior shale inhibition in drilling fluids.
Specifications
| Type | Anionic (PHPA) |
| Molecular Weight | 15–25 million Da |
| Hydrolysis Degree | 25-35% |
| Solid Content | ≥91% |
| Dissolving Time | ≤120 min |
| Apparent Viscosity (0.1%) | 30–80 mPa·s |
| Filtration Loss | ≤15 mL |
| Packaging | 25 kg PE-lined bags + Kraft paper |
Key Features
- 10–15% incremental oil recovery proven
- Excellent shale inhibition in drilling
- Salt-tolerant formulation available
- API/OCMA certified
Applications
- Enhanced Oil Recovery (EOR) — polymer flooding
- Drilling fluid viscosifier & shale inhibitor
- Fracturing fluid additive
- Pipeline drag reduction



