A water-soluble antimicrobial acrylamide copolymer containing sulfitobetaine for enhanced oil recovery

被引:32
作者
Gou, Shaohua [1 ,2 ]
He, Yang [2 ]
Ma, Yongtao [2 ]
Luo, Shan [2 ]
Zhang, Qin [2 ]
Jing, Dong [2 ]
Guo, Qipeng [3 ]
机构
[1] Southwest Petr Univ, State Key Lab Oil & Gas Reservoir Geol & Exploita, Chengdu 610500, Sichuan, Peoples R China
[2] Southwest Petr Univ, Coll Chem & Chem Engn, Oil & Gas Field Appl Chem Key Lab Sichuan Prov, Chengdu 610500, Sichuan, Peoples R China
[3] Deakin Univ, Inst Frontier Mat, Polymers Res Grp, Geelong, Vic 3220, Australia
关键词
SULFATE-REDUCING BACTERIA; BEHAVIOR; POLYMERS; CHARGE; POLYAMPHOLYTE; TERPOLYMERS; CORROSION;
D O I
10.1039/c5ra07495a
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Herein, we report a novel acrylamide copolymer with antimicrobial property as an enhanced oil recovery chemical. The copolymer was synthesized from acrylamide (AM), acrylic acid (AA) and 2-((2-( acryloyloxy) ethyl) dimethylammonio) ethyl sulfite (ADMES) using oxidation-reduction initiation system. Subsequently, the copolymer AM/AA/ADMES was evaluated and characterized on several aspects such as IR, H-1 NMR, intrinsic viscosity, and dissolubility. The AM/AA/ADMES solution exerted remarkable thickening ability, salt tolerance ability and viscoelasticity. In addition, the rheological properties, temperature resistance ability and long-term stability of AM/AA/ADMES were investigated systematically in the presence of sulfate-reducing bacteria and relatively low viscosity loss could be obtained compared to partially hydrolyzed polyacrylamide. On the basis of core flooding experiments, AM/AA/ADMES was found to be a valuable prospect with 10.5 resistance factor, 4.6 residual resistance factor and up to 11.0% enhanced oil recovery.
引用
收藏
页码:51549 / 51558
页数:10
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