High strength foamed well cement compositions and methods
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United States of America Patent
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Apr 24, 2001
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app pub date -
Oct 24, 2000
filing date -
Oct 24, 2000
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Abstract
High strength foamed well cement compositions and methods of cementing subterranean zones penetrated by well bores are provided. The foamed well cement compositions are basically comprised of a hydraulic cement, hydrophilic fibers, water sufficient to form a pumpable slurry, a mixture of foaming and foam stabilizing surfactants and sufficient gas to foam the slurry.
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