POLY PLUS contains copolymer and is used primarily as a borehole stabilizer to prevent reactive shale and clay from swelling and sloughing. POLY PLUS is also added to low-solids drilling fluids to increase lubricity, fluid viscosity, and to improve carrying capacity of air/foam injection fluids.

Advantages

• Imparts high degree of lubricity
• Provides effective clay and shale stabilization
• Mixes easily with minimum shear in fresh water
• Flocculates non-reactive solids in reserve pit at low concentrations
• Breaks down chemically with household bleach (sodium hypochlorite)
• Prevents bit balling and balling on stabilizers and bottom hole assemblies by coating and lubricating solids

Applications

• Reduces fluid loss
• Improves wellbore stability
• Enhances slurry rheological properties
• Provides excellent cuttings encapsulation
• Can be well suited to low-solids, non-dispersed drilling mud systems
• Can be used in fresh water, seawater, sodium or potassium chloride brines

Recommended Treatment

Add POLY PLUS in concentrations of 0.5 to 5.0 liters per 1000 liters to drilling fluids. Mix slowly through a jet mixer or sift slowly into the vortex of a high-speed stirrer.

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