EP 3 002 323 A1

Settable compositions comprising cement kiln dust and additive(s) and method of using them

(22) 24.08.2006

(43) 06.04.2016

(57) The present invention provides methods of cementing that comprise providing settable compositions that comprises water and cement kiln dust. The settable compositions 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. The method comprises 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.

(71) Halliburton Energy Services, Inc. Duncan, OK 73533 (US)

(84) DE DK FR GB IT NL

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