Amphiphilically modified chitosan copolymer for enhanced oil recovery in harsh reservoir condition

被引：32
作者：
Pu, Wan-Fen [1 ,2 ]
Liu, Rui [1 ,2 ]
Peng, Qin [3 ]
Du, Dai-Jun [2 ]
Zhao, Qi-Ning [4 ]
机构：
[1] Southwest Petr Univ, State Key Lab Oil & Gas Reservoir Geol & Exploita, Chengdu 610500, Peoples R China
[2] Southwest Petr Univ, Petr Engn Inst, Xindu Ave 8, Chengdu 610500, Peoples R China
[3] PetroChina Southwest Oil & GasField Co Ltd, Northwest Sichuan Gas Purificat Plant, Jiangyou 621700, Peoples R China
[4] Southwest Petr Univ, Sch Geosci & Technol, Chengdu 610500, Peoples R China
来源：
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY | 2016年 / 37卷
关键词：
Amphiphilically modified chitosan copolymer; Rheological properties; Super-high salt resistance; Temperature tolerance; Polymer flooding; WATER-SOLUBLE CHITOSAN; HYPERBRANCHED POLYMERS; POLYACRYLAMIDE; ADSORPTION; ACRYLAMIDE; STABILITY; RHEOLOGY; BEHAVIOR; BEADS; FLOW;
D O I：
10.1016/j.jiec.2016.03.034
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A novel amphiphilically grafting natural chitosan copolymer (PAMCS) was prepared by using one step water-free radical polymerization strategy and the basic parameters for PAMCS were systematically characterized. The rigid n-glucosamine unit, intermolecular association and hydrogen bonding synergistically endowed PAMCS solution with rheological properties, super-high salt resistance and temperature tolerance in harsh reservoir condition. PAMCS solution exhibited viscoelastic behavior and formulated the unique displacement mechanism in comparison to that for partially hydrolyzed polyacrylamide. Moreover, the mass concentration, injective rate and polymer solution slug related to oil recovery efficiency for PAMCS were investigated from the economic point. (C) 2016 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
引用
收藏
页码：216 / 223
页数：8
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