STUDY OF ELASTICITY IN OIL DISPLACEMENT PROCESS BY HPAM

doi:10.3863/j.issn.1000-2634.2002.06.019

西南石油大学学报(自然科学版) ›› 2002, Vol. 24 ›› Issue (6): 64- 67.DOI: 10.3863/j.issn.1000-2634.2002.06.019

• 油气化学工程与化工 • Previous Articles Next Articles

STUDY OF ELASTICITY IN OIL DISPLACEMENT PROCESS BY HPAM

ZHU Yang wen , ZHANG Yi gen , L IU Kun ,HAN Ren gong

Shengli Oilfield Co , Ltd , Dongying Shangdong 257000 , China

Received:2002-01-20 Revised:1900-01-01 Online:2002-12-20 Published:2002-12-20
Contact: ZHU Yang-wen

Abstract

Abstract: When hydrolyzed polyacrylamide ( HPAM) solution flows in porous medium , it will exhibit elasticity and enhanced valid viscosity if velocity reaches a critical value. But we do not have the same opinion about its valid distances of elasticity and how much contribution to oil displacement efficiency when it is flowing from injection well to producing well under changeable velocity. In this paper , the effect of injecting velocity on the elasticity of conventional HPAM has been studied. The oil displacement efficiency of HPAM is compared with nonOelastic Xanthan gum and glycerin , and the maximum distance of elasticity of the polymer solution flowing in the reservoir has been decided.

Key words: hydrolyzed polyacrylamide, elasticity, critical velocity, oil displacement efficiency

CLC Number:

TE357. 6

ZHU Yang wen;ZHANG Yi gen;L IU Kun;HAN Ren gong. STUDY OF ELASTICITY IN OIL DISPLACEMENT PROCESS BY HPAM[J]. 西南石油大学学报(自然科学版), 2002, 24(6): 64- 67.

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STUDY OF ELASTICITY IN OIL DISPLACEMENT PROCESS BY HPAM

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