✦ LIBER ✦

Inhibition of water-soluble cationic cellulosic polymers to clay hydration

✍ Scribed by Li-Ming Zhang; Bao-Wei Sun

Publisher: John Wiley and Sons
Year: 1999
Tongue: English
Weight: 183 KB
Volume: 74
Category: Article
ISSN: 0021-8995
DOI: 10.1002/(sici)1097-4628(19991220)74:13<3088::aid-app11>3.0.co;2-0

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✦ Synopsis

The inhibition of water-soluble cationic graft terpolymers of hydroxyethylcellulose with the vinyl monomers dimethyldiallylammonium chloride and acrylamide to the hydration of water-sensitive clay in oilfields was investigated by clay hydrationswelling tests, XRD analyses, zeta-potential measurements, and SEM observation. It has been shown that grafting enhances the hydration-inhibition effectiveness and the performances of these cationic cellulosic polymers are strongly dependent on their cationicity, relative molecular weight, and solution concentration.

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