西南石油大学学报(自然科学版) ›› 2004, Vol. 26 ›› Issue (6): 57-59.DOI: 10.3863/j.issn.1000-2634.2004.06.016

• 油气化学工程与化工 • 上一篇    下一篇

交联聚合物溶液蠕变回复效应及对驱油效率影响

罗宪波1 蒲万芬1 武海燕2 赵金洲3   

  1. 1.西南石油学院石油工程学院,四川成都610500; 2.西南石油学院资源与环境学院; 3.西南石油学院研究生院
  • 收稿日期:2003-12-19 修回日期:1900-01-01 出版日期:2004-12-20 发布日期:2004-12-20
  • 通讯作者: 罗宪波

THE CREEPING REVERSION EFFECT OF LINKED POLYMER SOLUTION IN POROUS MEDIUM AND ITS INFLUENCE ON DISPLACEMENT EFFICIENCY

LUO Xian-bo PU Wan-fen WU Hai-yan et al.
  

  1. Southwest Petroleum Institute, ChengduSichuan 610500, China
  • Received:2003-12-19 Revised:1900-01-01 Online:2004-12-20 Published:2004-12-20
  • Contact: LUO Xian-bo

摘要: 进行了交联聚合物溶液在多孔介质中的流动试验,观察到交联聚合物溶液的蠕变回复现象,说明交联聚合物溶液在多孔介质中产生了粘弹效应。通过交联聚合物溶液变流速(67,161,67 cm/d)与恒速(67 cm/d)驱油时,即存在蠕变回复效应和无蠕变回复效应驱油,考察交联聚合物溶液蠕变回复效应对驱油效率的影响,结果表明,在本实验条件下,蠕变回复效应能增加原油采收率1.5%。

关键词: 交联聚合物溶液, 聚丙烯酰胺, 多孔介质, 蠕变回复, 粘弹性, 提高采收率

Abstract: In this paper, experimental investigation on linked polymerolution has been conducted with a sand packing model and the henomenon of the creeping reversion in porous medium has observed, which can explain the viscoelastic effect of linked polymer solution. The effect of creeping reversion of linked polymer solution in porous medium on the displacement efficiency has been analyzed with two sand packing models by the change of flow rate (67,161,67cm/d) and a stable flow rate (67cm/d), namely, under the condition of creeping reversion and no creeping reversion effect. Results indicate that the creeping reversion of linked polymer solution could increase oil recovery by 1.5 percent in the experimentation condition.

Key words: linked polymer solution, polyacrylamide, porous medium, creeping reversion, viscoelasticity, enhanced oil recovery

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