Cloud Point Glycol

Shale Stabilizers

Product Details
A glycol that is soluble at low temperatures but starts to form micelles (molecular agglomerates), thus becoming cloudy, as the temperature is raised. The temperature at which this phenomenon occurs the cloud point is affected by salinity, being generally lower in more saline fluids. Cloud point glycols are used as shale inhibitors. The purported mechanism is that the glycol clouds out at higher downhole temperatures, coating the surface of clays and preventing hydration.

Features and Benefits

  • It provides improved lubricity, high-temperature filtration control and wellbore stability.
  • It reduces dilution rates and bit baling.
  • It helps in formulation of inhibited mud system.

It has application in poly-glycol systems in fresh to medium or high salinity make-up water, and can be used in wells with moderate formation of temperature. When used properly, this medium cloud point additive helps to stabilize troublesome shales by plugging shale pores, preventing the equalization of hydrostatic pressure away from the wellbore.

Normal Concentrations of Poly Glycol ranges from 2 to 5% volume by volume of the liquid phase.

Description : Light Brown Clear Liquid
Specific Gravity : 1.00 – 1.10
Flash Point : More than 100°C
Solubility in water : Completely soluble
pH Value : 5.5 – 7.0
Cloud Point : 60–72°C @ 3% Solution in 10% KCl ( v/v)
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