C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
C09K 8/42 (2006.01) C04B 18/16 (2006.01) C04B 28/02 (2006.01) C09K 8/467 (2006.01)
Patent
CA 2621832
The present invention provides settable compositions that comprise water and cement kiln dust. The settable compositions optionally may comprise an additive that comprises at least one of the following group: fly ash; shale; slag cement; zeolite; metakaolin; and combinations thereof. The settable compositions optionally may be foamed with a gas. Methods of cementing also are provided that comprise: providing the settable composition; introducing the settable composition into a location to be cemented; and allowing the settable composition to set therein. The location to be cemented may be above ground or in a subterranean formation.
La présente invention concerne des compositions durcissables qui comprennent de l'eau et de la poussière de four à ciment. Les compositions durcissables peuvent facultativement comprendre un additif qui comprend au moins un des produits du groupe suivant : cendres volantes ; schiste ; ciment de laitier ; zéolite ; métakaolin ; et leurs combinaisons. Les compositions durcissables peuvent facultativement être moussées à l'aide d'un gaz. L'invention concerne également des procédés de cimentation selon lesquels on prépare la composition durcissable, on introduit la composition durcissable dans un emplacement à cimenter et on laisse la composition durcissable prendre à cet endroit. L'emplacement à cimenter peut se trouver au-dessus du sol ou dans une formation souterraine.
Brenneis Darrell Chad
Chatterji Jiten
King Bobby J.
Roddy Craig W.
Halliburton Energy Services Inc.
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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