Cement compositions comprising stevia retarders

C - Chemistry – Metallurgy – 09 – K

Patent

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Details

C09K 8/467 (2006.01) C04B 24/14 (2006.01) C04B 24/38 (2006.01) C04B 28/04 (2006.01) E21B 33/13 (2006.01)

Patent

CA 2747186

Methods and compositions that include a method of cementing comprising providing a cement composition com-prising water, a hydraulic cement, and an additive comprising at least one additive selected from the group consisting of a stevia retarder and inulin; placing the cement composition in a subterranean formation; and permitting the cement composition to set in the formation.

L'invention concerne des procédés et des compositions qui comprennent un procédé de cimentation comprenant le fait de fournir une composition de ciment contenant de l'eau, un ciment hydraulique, et un additif présentant au moins un additif choisi dans le groupe comprenant un retardateur à base de stévia et l'inuline, de placer la composition de ciment dans une formation souterraine, et de permettre à la composition de ciment de durcir dans la formation.

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