High Efficiency Shale Inhibitor Potassium Polyacrylate For Water Based Drilling Fluid
Potassium Polyacrylate (Da-Jia)
Potassium Polyacrylate (commonly known as Da-Jia) is a high-efficiency oilfield chemical primarily used as an inhibitor and stabilizer in drilling fluids and completion fluids. This product appears as white or off-white powder or granules, exhibiting excellent water solubility and ion exchange capacity.
Specifications
| Item |
Index |
| Appearance |
White or off-white powder or granules |
| Purity |
≥ 75% |
| Hydrolysis Degree |
27% - 35% |
| Potassium Content |
≥ 11% |
| Intrinsic Viscosity |
≥ 6.0 dl/g |
Performance and Applications
- Superior shale stabilization: Potassium ions enter clay mineral interlayers through ion exchange, effectively inhibiting hydration expansion and dispersion of shale, reducing wellbore collapse risk.
- Excellent compatibility: Works effectively with various drilling fluid additives while maintaining system rheology, suitable for high-temperature/high-pressure deep well operations.
- Dual functionality: Provides fluid loss reduction and encapsulation capabilities, forming protective films on wellbores while preventing drill cuttings dispersion.
Key Advantages
- Exceptional inhibition effect with high potassium ion content for superior shale stabilization
- Environmentally friendly formulation with low biotoxicity and easy biodegradability
- Seamless compatibility with all water-based drilling fluid systems
- Consistent performance across diverse operational conditions
- Contributes to overall drilling efficiency improvement

Potassium Polyacrylate is particularly effective for complex drilling operations including shale gas extraction and horizontal well drilling, where maintaining wellbore stability is critical.