High Molecular Weight
Partially Hydrolyzed Polyacrylamide (PHPA) is a water-soluble polymer used as a premium additive in water-based drilling fluids. It acts as a shale inhibitor by "encapsulating" (coating) clay and shale cuttings, preventing them from swelling, dispersing, or disintegrating in the borehole.
PHPA is the industry standard for stabilizing reactive shale formations. When drilling through clay, the clay tends to absorb water, swell, and stick to the drill bit ("Bit Balling"). PHPA solves this by coating the clay and making it non-reactive.
High Performance Drilling Grade.
| Parameter | Specification Limit |
|---|---|
| Appearance | White Free Flowing Granules |
| Solid Content | 88% Min |
| Degree of Hydrolysis | 25% - 30% (Anionic Charge) |
| UL Viscosity | 6.0 - 7.5 cps |
| pH (0.5% Solution) | 7.0 - 9.0 |
| Dissolving Time | Max 60 Minutes |
| Insoluble Matter | Max 0.2% |
| Mesh Size | 20 - 80 Mesh |
Shale is like a sponge; it drinks water and expands. PHPA stops this via "Encapsulation."
PHPA loves water too much! If you dump the powder too fast, it forms sticky lumps called "Fish Eyes" (dry powder inside, gel outside) that act like rubber balls and block screens.
Solution: Always use a high-shear hopper. Add the powder slowly into the vortex of moving water. Allow 30-60 minutes for full hydration before pumping downhole.
Primary shale stabilizer in freshwater and saltwater mud systems. Reduces bit balling.
Used in polymer slurries for bored piles and diaphragm walls to support the trench.
Soil conditioning agent for Tunnel Boring Machines (TBM) to make soil removal easier.
Increases viscosity to lift cuttings in low-pressure water wells.
Used in polymer flooding to push residual oil out of reservoirs.
Acts as a flocculant to settle suspended solids in wastewater treatment.
Multi-layer paper bags with inner PE liner to prevent moisture absorption.
Bulk packing for large rig sites. Palletized and shrink-wrapped.
High Molecular Weight. Shale Stabilizer. Direct from Factory.
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