Methods of cementing with lightweight cement compositions
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United States of America Patent
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May 20, 2008
Grant Date -
Aug 17, 2006
app pub date -
Feb 14, 2005
filing date -
Feb 14, 2005
priority date (Note) -
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Abstract
Foamed cement compositions comprising density reducing additives and methods of making and using the same are disclosed. In one embodiment, a method of cementing is disclosed. The method of cementing comprises preparing a base cement composition comprising a cement, a water, and a density reducing additive, wherein the base cement composition comprises a base density. The method further comprises introducing a gas to the base cement composition to provide a cement composition having a density less than the base density and allowing the cement composition to set.
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