Delament-220-Retarder-Cement Additives

Delament-220-Retarder-Cement Additives

The most important function of oil & gas well primary cementing is to isolate the various zones within the wellbore.
In others words, the cement must prevent fluids or gases in one particular zone from mingling with those of another. A properly designed and placed cement slurry accomplishes this by creating the necessary seal between the casing and the formation. The cement must prevent migration or fluid channeling throughout the cement.
Today’s well cement systems must perform in a variety of down-hole conditions, from 0 °C – over 350 °C., and at bottom hole pressures in excess of 30,000 psi.
PEPCO has developed a complete line of cement additives, which modify the characteristics and performance of the cement slurry. This means that a slurry can be designed to function over the wide range of conditions that occur in the wellbore.

Delament-220

Delament-220 non-lignin cement retarder is capable of retarding cement at temperatures between 80 – 220°F (20 – 105°C).   This material has been environmentally approved, and is compatible in a wide range of additive
combinations in API cements.Delament-220 retarder is an alternative to commonly used lignin retarders. Because of its good strength development, Ensure retarder may have application in a variety of situations
such as water-extended slurries, long cement columns, or cooler temperatures.
This product also has shown a predictable response to changes in concentration, and repeatable results, which may aid in slurry design, Lab time, and help smooth operations. Delament-220 retarder has been proven effective in several API Class cements including Class G, Class H, Class A, and Class C.

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