| abstract |
A variety of methods and compositions are disclosed, including, in one embodiment a method of cementing in a subterranean formation comprising: providing a set-delayed cement composition comprising water, pumice, hydrated lime, and a set retarder; foaming the set delayed cement composition; activating the so set-delayed cement composition; introducing the set-delayed cement composition into a subterranean formation; and allowing the set delayed cement composition to set in the subterranean formation. Additional methods, foamed set-delayed cement composition, and systems for cementing are also provided. |