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

doi:10.3863/j.issn.1000-2634.2004.06.016

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 • Previous Articles Next Articles

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.

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

Abstract

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

CLC Number:

TE357.46

LUO Xian-bo PU Wan-fen WU Hai-yan et al.. THE CREEPING REVERSION EFFECT OF LINKED POLYMER SOLUTION IN POROUS MEDIUM AND ITS INFLUENCE ON DISPLACEMENT EFFICIENCY[J]. 西南石油大学学报(自然科学版), 2004, 26(6): 57-59.

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

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