西南石油大学学报(自然科学版) ›› 1999, Vol. 21 ›› Issue (1): 71-73.DOI: 10.3863/j.issn.1000-2634.1999.01.018

• 化学工程 • 上一篇    下一篇

聚合物驱溶液中溶解氧对聚合物稳定性的影响

付美龙 周克厚 赵林

  

  1. 江汉石油学院石油工程系,湖北 荆州 434102
  • 收稿日期:1998-10-03 修回日期:1900-01-01 出版日期:1999-02-20 发布日期:1999-02-20
  • 通讯作者: 付美龙

EFFECT OF DISSOLVED OXYGEN ON POLYMER STABILITY

Fu Meilong Zhou Kehou Zhao Lin   

  1. Jianghan Petroleum Inst
  • Received:1998-10-03 Revised:1900-01-01 Online:1999-02-20 Published:1999-02-20
  • Contact: Fu Meilong

摘要: 通过简要分析HPAM氧化降解的机理和抑制其氧化降解的化学方法,联系河南油田聚合物驱实际情况,研究了溶解氧对S725聚合物稳定性的影响。结果表明:在65℃、有氧情况下,无论用清水还是用污水配制S725时其溶液粘度都快速下降,S725降解严重,将几种添加剂有机地复配可以获得较好的粘度稳定效果,筛选出的三个配方经过60天后的粘度值和粘度保留率均较高。

关键词: 降解, 聚合物, 稳定性, 粘度

Abstract: The mechanism of HPAM oxidative degradation and the chemical methods of retarding such oxidative degradation are analyzed. The effect of dissolved oxygen on the stability of S725 polymer, as related to the polymer flooding performance in Henan oilfield, is studied. Results show that the viscosity of
S725 solution prepared with clean water or production water drops rapidly in the presence of oxygen at 65℃. Good viscosity stability can be gained by combination of several additives.

Key words: degradation, polymer, stability, viscosity

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