Method for inhibiting reactive argillaceous formations and use thereof in a drilling fluid
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United States of America Patent
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Mar 17, 1998
Grant Date -
N/A
app pub date -
Jun 5, 1995
filing date -
Jan 31, 1992
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention relates to a method of stabilizing argillaceous rocks containing reactive clays in the presence of water, wherein said argillaceous rocks are placed in contact with an aqueous solution containing a polymer with hydrophilic groups and hydrophobic groups.
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