Methods for stabilizing swelling clays or migrating fines in sub

Details Methods for stabilizing swelling clays or migrating fines in sub Methods for stabilizing swelling clays or migrating fines in sub

1984-09-21

1985-08-20

Guynn, Herbert B.

Compositions

Leather or fur treating

166275, 166307, 1663051, 252 855C, 252 855D, 405264, E21B 4312, E21B 4325

Patent

active

045363056

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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