Methods for stabilizing swelling clays or migrating fines in subterranean formations
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United States of America Patent
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Aug 20, 1985
Grant Date -
N/A
app pub date -
Sep 21, 1984
filing date -
Sep 21, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method of treating an earthen formation containing swelling clays or migrating fines or combinations thereof to reduce the loss of permeability in said formation. The method is carried out by contacting the swelling clays or fines with an effective amount of an organic polycationic polymer which contains three quaternary ammonium moieties in the monomer repeat unit.
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