Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
March 20, 2007
Patent Application Number
10946979
Date Filed
September 22, 2004
Patent Primary Examiner
Patent 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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