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

2007-03-20

2007-03-20

Suchfield, George (Department: 3676)

Wells

Processes

Cementing, plugging or consolidating

C166S309000, C106S677000, C106S678000, C106S682000, C106S808000, C106S820000, C507S202000, C507S269000

Reexamination Certificate

active

10946979

ABSTRACT:
A method of cementing in a subterranean formation that comprises providing a foamed cement composition that comprises water, a cement, a gas, and an additive, the additive comprising an anionic foaming agent and at least one of an anionic foam stabilizer or a Zwitterionic foam booster; placing the cement composition into the subterranean formation; and allowing the cement composition to set therein is provided. Foamed cement compositions, additives for foaming and stabilizing a cement composition, and methods of reducing the density of a cement composition, also are provided.

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