FAST-SETTING CEMENTS FOR WELL ABANDONMENT
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United States of America Patent
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Aug 27, 2015
app pub date -
Oct 8, 2013
filing date -
Oct 15, 2012
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Abstract
A cement composition for sealing leaks in a wellbore includes at least one of an alkali and a transition metal oxide and an acid. A method for using the cement composition includes pumping the at least one of an alkali and a transition metal oxide and an acid as separate components into a wellbore so that a setting reaction begins after pumping is initiated.
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