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Characterization of viscoelas-tic properties of hydrolyzed polyacrylamide using the stress recovery experiment
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作者 ZHAOFeng DUYukou +2 位作者 TANGJi'an LIXingchang YANGPing 《Chinese Science Bulletin》 SCIE EI CAS 2004年第8期780-784,共5页
Polymer solutions have very important applica-tions in the enhanced oil recovery due to their unique viscoe-lastic properties increasing microscale displacement effi-ciency. In this paper, the viscoelastic properties ... Polymer solutions have very important applica-tions in the enhanced oil recovery due to their unique viscoe-lastic properties increasing microscale displacement effi-ciency. In this paper, the viscoelastic properties of partially hydrolyzed polyacrylamide (HPAM) solution have been in-vestigated. Results show that the viscoelastic properties of HPAM increase with HPAM concentration increasing, and decrease with the increase of sodium dodecyl sulfate (SDS). Meanwhile, adding NaCl can destroy the viscoelastic proper-ties. 展开更多
关键词 水解聚丙烯酰胺 粘弹性 压力恢复实验 SDS 石油置换效率 流变学 石油回收 十二烷基硫酸钠
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