VISCOMETRIC MEASUREMENT OF CHROMIUM(III)-POLYACRYLAMIDE GELS†
作者:
SOHAIL ASLAM,
SHAPOUR VOSSOUGHI,
G. PAUL WILLHITE,
期刊:
Chemical Engineering Communications
(Taylor Available online 1986)
卷期:
Volume 48,
issue 4-6
页码: 287-301
ISSN:0098-6445
年代: 1986
DOI:10.1080/00986448608910019
出版商: Taylor & Francis Group
关键词: Viscosity;Gels;Polyacrylamide;Gel-polymer;Rheology
数据来源: Taylor
摘要:
Gelled polymers are being used increasingly to modify the movement of injected fluids in secondary and enhaced oil recovery processes. A common gelation process involves the reduction of Cr(VI) to Cr(III) in the presence of polyacrylamide. The Cr(III) reacts or interacts with the polymer to form a gel network. Although correlations of gelation time with principal process variables have been obtained, viscometric data have not been reported during or after gelation. These data are needed for fluid flow calculations in surface equipment and estimation of flow behaviour in reservoir rocks.
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