引用本文:
冯志强, 辛伟, 孔瑛, 王云芳, 杨金荣, 侯影飞. 三次采油用疏水缔合型AM/DBA共聚物的研究[J]. 应用化学,
2004, 21(6): 556-560.
Citation: FENG Zhi-Qiang, XIN Wei, KONG Ying, WANG Yun-Fang, YANG Jin-Rong, HOU Ying-Fei. Hydrophobically Associating AM/DBA Copolymers for EOR[J]. Chinese Journal of Applied Chemistry, 2004, 21(6): 556-560.
Citation: FENG Zhi-Qiang, XIN Wei, KONG Ying, WANG Yun-Fang, YANG Jin-Rong, HOU Ying-Fei. Hydrophobically Associating AM/DBA Copolymers for EOR[J]. Chinese Journal of Applied Chemistry, 2004, 21(6): 556-560.
三次采油用疏水缔合型AM/DBA共聚物的研究
English
Hydrophobically Associating AM/DBA Copolymers for EOR
Abstract:
The hydrophobically associating acrylamide/dibutylacrylamide(AM/DBA) copolymers were synthesized by aqueous micellar polymerization for Enhanced Oil Recovery(EOR). The effects of hydrophobe and surfactant content on the dissolution behavior of the copolymers have been investigated. The results show that when the mass fraction of hydrophobic monomer was between 0.8% and 1.0%, and the NH value was between 8 and 10, the copolymers showed both good solubility and salt-tolerance, and their filter ratio were less than 2. The contradiction between solubility and salt-tolerance of copolymers could be well settled e.g. the copolymer having intrinsic viscosity exceeding 22 dL/g can be dissolved in water for 2 h giving the solutions characteristic of salt-viscosifying.
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Key words:
- miscellar
- / hydrophobically associating
- / salt-tolerance
- / enhanced oil recovery
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