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High Viscosity HPAM Polyacrylamide with 5-25 Million Molecular Weight and 89% Solid Content for Enhanced Oil Recovery PHPA
This high-viscosity HPAM polyacrylamide is engineered specifically for Enhanced Oil Recovery (EOR) polymer flooding. It features excellent thickening, stable rheology, fast dissolution, and a wide molecular-weight range to match reservoir conditions. The product is suitable for polymer flooding, water control, drilling fluids, and other oilfield chemical applications requiring consistent viscosity and reliable field performance.
Key Benefits
High viscosity at low dosage for improved mobility control
Fast dissolution with minimal fisheyes or undissolved particles
Stable polymer solution with strong resistance to mechanical degradation
Multiple ionic types (anionic, cationic, nonionic) to match reservoir requirements
Low residual monomer and high solid content for safe handling
Typical Technical Specifications
Parameter
Typical Value
Appearance
Off-white granular powder (20-100 mesh)
Ionic Type
Anionic
Molecular Weight
5-25 million (depending on grade)
Solid Content
≥ 89%
Charge Degree
18-80%
Recommended Dosage
0.1% - 0.5%
pH (1% solution)
6 - 8
Bulk Density
Approx. 0.8 g/cm³
Packaging
25 kg kraft/PE bags or 750 kg jumbo bags
Mechanism in Polymer Flooding
HPAM increases the viscosity of injection water, reducing the water-oil mobility ratio and enhancing the sweep of unswept zones within the reservoir. This results in a more uniform displacement front and greater recovery of remaining oil. The polymer's performance depends heavily on formation water salinity, temperature, shear exposure, and molecular-weight selection.
Reservoir Suitability
Temperature: Suitable for low-to-medium temperature reservoirs (commonly below 70°C)
Salinity: Works well in low to moderate salinity; divalent-rich brines require additional screening
Permeability: Ideal for sandstone and unconsolidated formations; adjust molecular weight for tight formations
Compatibility: Laboratory compatibility testing with formation water is recommended before field injection
Technical Highlights
High molecular weight: 5-25 million
Excellent thickening efficiency at low dosage levels
Fast dissolution and strong solution stability
Multiple ionic types for different reservoir chemistries
Implementation Notes
Effective EOR polymer flooding depends on correct polymer grade selection, formation water compatibility testing, pilot-scale validation, and careful injection control. The HPAM polymer described here is designed to support stable viscosity, reliable injectivity, and strong sweep efficiency when matched with proper reservoir engineering.
