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DosR™ EZ-HT Retarder


Effective High Temperature Cement Retarder

DosR™ EZ-HT Retarder

High temperature and high pressure condition in the bottom of the oil and gas wells makes it difficult to keep the cement from rapid setting. Extending the fluid life of the cement slurry allows for the mixing and placement of cement slurries in the wellbore annulus. For this reason cement retarder used to slow down the thickening process of the cement.

DOSAS’ DosR™ EZ-HT Retarder is a great one for improved compression strength development in long cement columns and provides slurries with long and predictable thickening time. This product is clear liquid easily formulated into cement slurry mixture. Also, it significantly extends the thickening time but without affecting the slurry hydration rate.

Temperature range: 85-230 °C (185-450 °F).

 

Benefits

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Control the Thickening of the Cement

Laboratory testing is recommended for specific cement types, but typical data of a slurry designed with DosR™ EZ-HT are presented in the following graph. DosR™ EZ-HT provides slurries with a long and predictable thickening time through a great performance.

chart

Property Value
Appearance Clear Liquid
pH 7.1
Flash Point >100 °C
Density 1.08 g/ml

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