Stabilizing clayey formations

Details Stabilizing clayey formations Stabilizing clayey formations

1987-09-11

1989-05-09

Guynn, Herbert C.

Compositions

Leather or fur treating

1663051, 252 851, 252 8551, 252 8554, 405264, E21B 4312, E21B 4325, E21B 4327

Patent

active

048287261

ABSTRACT:
A process for treating clayey geological formations to prevent, inhibit or reduce swelling or migrating clay particles in a formation by treating the formation with an effective amount of a quaternized oligomer which comprises a methyl quaternary amine containing an average of from about 3 to about 6 moles of epihalohydrin. The treatment is effected by introducing the oligomer into the formation in an aqueous fluid which can comprise brine, salt solutions, acid solutions, gelled fluids and the like.

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