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GLYDRIL MC

Medium-cloud-point polyglycol

Applications

While polyglycols are most effective when used in conjunction with an inhibitive salt, such as KCl, in a nondispersed polymer system, they can be used as additives in most water-based systems. GLYDRIL MC polyglycol is acceptable for most applications specifying low-toxicity additives.

Advantages

Improved wellbore stability and shale inhibition
Improved lubricity
Improved high-temperature filtration control
Reduced dilution rates and mud consumption
Reduced bit balling potential
Low toxicity

GLYDRIL MC polyglycol stabilizes troublesome shales by plugging shale pores, preventing the equalization of hydrostatic pressure away from the wellbore.

Typical Physical Properties
Physical appearance	Straw-yellow to opaque-brown liquid
Specific gravity	1.012
Solubility in water	Variable
Flash point (Pensky-Martens closed cup)	230 degF [110 degC]
Cloud point	>150 degF [66 degC]

GLYDRIL

Advanced polyglycol system

Apply in polyglycol systems with fresh- to medium-salinity makeup water and in low formation temperatures.

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Product Sheet GLYDRIL MC Medium-Cloud-Point Polyglycol

Improved wellbore stability, lubricity, and high-temperature filtration control with less dilution rates and bit balling.

Catalog Drilling Fluid Systems and Products

Drilling solutions.

Case Study GLYDRIL-IDCAP D System Successfully Drills Reservoir, Offshore Vietnam

Wells in the Rang Dong Field have produced a significant amount of sand during the last few years from a reservoir of interbedded sandsilt-shale.