Defoaming Compositions and Processes for Cementing Applications
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United States of America Patent
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Oct 24, 2016
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Feb 28, 2011
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Abandoned
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Abstract
Cement compositions and processes for reducing air entrainment in a cement composition generally include mixing a hydraulic cement with a defoamer composition including an organic acid ester of a polyoxyethylene-polyoxypropylene block copolymer.
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