Clay stabilizing agent preparation and use

Details Clay stabilizing agent preparation and use Clay stabilizing agent preparation and use

1986-06-25

1987-09-15

Taylor, Dennis L.

Hydraulic and earth engineering

Earth treatment or control

Chemical

166293, 252 8551, 405264, E02D 312

Patent

active

046936394

ABSTRACT:
Methods of preparing and using a clay stabilizing agent are provided. The agent is prepared by polymerizing diallyldimethylammonium chloride with sulfur dioxide in the presence of a polymerization reaction rate retarder to form a solid cationic copolymer having a high sulfur content. When dissolved in an aqueous carrier fluid, the copolymer is particularly effective in preventing clay swelling and/or fines migration.

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patent: 4366072 (1982-12-01), McLaughlin et al.
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patent: 4366074 (1982-12-01), McLaughlin et al.
patent: 4374739 (1983-02-01), McLaughlin et al.
patent: 4460483 (1984-07-01), Weaver
patent: 4462718 (1984-07-01), McLaughlin et al.
patent: 4497596 (1985-02-01), Borchardt et al.
patent: 4536305 (1985-08-01), Borchardt et al.

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