Lightweight cement compositions and methods of cementing in subterranean formations

   
   

The present invention provides lightweight cement compositions, and methods for cementing in a subterranean formation using such cement compositions. The cement compositions comprise hydrated lime, vitrified shale, and sufficient water to form a slurry. Optionally, other ingredients may be included in the compositions.

La présente invention fournit les compositions légères en ciment, et les méthodes pour cimenter dans une formation souterraine en utilisant de telles compositions en ciment. Les compositions en ciment comportent la chaux hydratée, le schiste vitrified, et la suffisamment d'eau pour former une boue. Sur option, d'autres ingrédients peuvent être inclus dans les compositions.

 
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