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Polyalcohol Polyol PSI

Lubricant / Shale Inhibitor 

Product Description

PSI is a high cloud point additive designed for high salinity polyglycol systems. It can improve wellbore stability, lubricity, high-temperature filtration control, plus reduce dilution rates and bit balling. PSI additive is recommended for freshwater to high-saline polyglycol systems. While polyglycols are most effective when used in conjunction with an inhibitive-salt, non-dispersed polymer system, they can be used as additives in most water-base systems. PSI agent is acceptable for most applications specifying specifying low-toxicity additives.


PSI additive has application in polyglycol systems in fresh-to-high salinity make-up water and can be used in wells with high formation temperatures. When used properly, this high-cloud-point additive helps to stabilize troublesome shale by plugging shale pores, preventing the equalization of hydrostatic pressure away from the wellbore.


Effective and environmentally safe

Improves wellbore stability and shale inhibition

Improves high-temperature filtration control

Reduces torque and drag

Technical Data


Pale yellow Liquid

Cloud point

120°F/50°C Min


Water soluble

Recommended Treatment

Add PSI in concentration of 2.0 to 7.0 liters per 1000 liters to any system. Mix slowly through a jet mixer or sift slowly into the vortex of a high-speed stirrer.

Environmental Information

For information concerning environmental regulations applicable to PSI, contact the Health Safety and Environmental Department.


Transportation of commodity name is not restricted by either international or CHINA regulatory agencies.

Safe Handling Recommendations

Utilize normal precautions for employee protection when handling chemical products. Use of standard PPE is recommended for employee comfort and safety. See Material Safety Data Sheet (MSDS) prior to use.

Package and Storage

25kg drums or according to customer’s requirement.

Avoid high-intensity extreme pressure and prolonged exposure to strong sunlight. Keep container closed. Keep away from heat, sparks and flames.

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