Foamed cement compositions and associated methods of use

Details Foamed cement compositions and associated methods of use Foamed cement compositions and associated methods of use

2007-01-29

2008-11-04

Marcantoni, Paul (Department: 1793)

Compositions: coating or plastic

Coating or plastic compositions

Inorganic settable ingredient containing

C106S726000, C106S727000, C106S823000

Reexamination Certificate

active

07445670

ABSTRACT:
A method is provided for reducing the density of a well cement composition for cementing in a subterranean formation. The method comprises providing a cement composition that comprises water and a cement, and then adding an additive comprising an anionic foam stabilizer and an anionic foaming agent or a Zwitterionic foam booster. A gas is added to this mixture to reduce the density. Further, foamed cement compositions and additives for foaming and stabilizing a well cement composition are provided.

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