Compositions for and methods of stabilizing subterranean formations containing clays
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United States of America Patent
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Aug 15, 2006
Grant Date -
Mar 11, 2004
app pub date -
Sep 6, 2002
filing date -
Sep 6, 2002
priority date (Note) -
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Abstract
A composition of matter for use in stablizing shale formations in earth boreholes comprising polymeric products, e.g., polymers of a dialkyl aminoalkyl methacrylate, which can optionally be quaternized with an alkyl halide to produce drilling fluid additives which stablize borehole formations containing reactive clays in the presence of an aqueous medium.
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