Acid-soluble cement compositions comprising cement kiln dust and/or a natural pozzolan and methods of use
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United States of America Patent
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Oct 30, 2012
Grant Date -
Nov 11, 2010
app pub date -
Jun 28, 2010
filing date -
Sep 9, 2005
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Abstract
The present invention relates to acid-soluble cement compositions that comprise cement kiln dust (“CKD”) and/or a natural pozzolan and associated methods of use. An embodiment includes a method of cementing comprising: placing an acid-soluble cement composition in a subterranean formation, wherein the acid-soluble cement composition comprises a hydraulic cement, a component selected from the group consisting of CKD, pumicite, and a combination thereof, and water; allowing the acid-soluble cement composition to set; and contacting the set acid-soluble cement composition with an acid to dissolve the set acid-soluble cement composition.
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