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DosPersX™ 80 Dispersant


Provide Incredible Rheological Properties

DosPersX™ 80 Dispersant

Dispersants enhance the rheological characteristics, which makes the blending easy at high densities without the need for extra water. They also improve the flow behavior of the slurry and allow it to be pumped into a turbulent current, as a result, dispersant causes a better bonding between the casing and the formation.

Our DosPersX™ 80 is an additive used in a broad spectrum of cement and drilling temperatures to retard setting, extend pump times, and allow the cement to reach the desired location in the production string. Additionally, it provides the valuable dual functions of retarder and cement dispersant. This product is derived from lignosulfonates. They are thought to adsorb onto the initial layer of the calcium-silicate-hydrate gel thereby delaying further hydration.

Temperature range: 52 to 97 °C.

If it is used within this temperature range, it will retard the hydration process of cement significantly.

 

Benefits

  • Valuable dual functions of retarder and cement dispersant.
  • Is a part of the OSPAR list of substances used and discharged offshore which are considered to Pose Little or No Risk to the Environment (PLONOR).
  • Meets the industry’s increasing demand for efficiency, productivity, and sustainability.

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Properly Designed Dispersant

For illustration purposes, we present thickening time response as a function of retarder, dosage and bottom hole circulating temperatures (BHCT) in class H and class G cements. The overall trends indicate a region of nearly linear increase in thickening time at low dosages. The trend gradually transitions to a region of practically exponential increases with increase in retarder.

chart

Property Value
Appearance Brown Powder
pH (10% solution) 8-10
Solubility Completely Soluble in Water
Density 500-630 kg/m3

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