Products Description
Potassium polyacrylate, synthesized by neutralization polymerization of acrylic acid and potassium hydroxide, is a non-toxic and non-corrosive wellbore stabilizer. It features excellent water solubility, effectively inhibiting the dispersion of shale and cuttings while performing multiple functions such as filtrate loss reduction, flow pattern improvement, and lubrication enhancement.
CAS NO.25608-12-2
HS:3906909000
Appearance: white powder
EINECS:208-750-2
Technical Parameter
|
Appearance |
White powder |
|
Solid content |
≥95% |
|
Molecular weight |
3500 million |
|
viscosity |
650-750 |
|
PH value |
7-9 |
|
sulfate |
≤0.4% |
|
Residual monomer |
≤1% |
Applacation
1. Core Functions
Clay swelling inhibition：Prevents shale swelling and collapse by inserting potassium ions into clay layers and adsorbing polymer chains.
Multifunctional synergy：Simultaneously reduces filtrate loss, improves drilling fluid rheology, and enhances lubrication.
2. Application Scenarios
Target formations：Water-sensitive shale, high-montmorillonite formations, fractured or high-permeability strata.
Complex conditions：HTHP (high temperature and pressure) environments, high salinity (brine layers), and special drilling scenarios like directional/horizontal wells.
3. Mechanisms of Action
Potassium ion replacement：Displaces interlayer cations in clay to block water molecule penetration.
Polymer network binding：Forms a three-dimensional network to entrap clay particles and reduce dispersion.
Filter cake control：Minimizes drilling fluid filtration to stabilize borehole osmotic pressure.
4. Technical Advantages
Excellent salt and temperature resistance for complex geological conditions;
Integrates filtrate loss reduction and cuttings-carrying capabilities to improve drilling efficiency;
Environmentally non-toxic, complying with industry safety standards.
Package
25 kg bag
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