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 • Previous Articles     Next Articles

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

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

CLC Number: