The Sweep Efficiency of Viscoelastic Polymer Solution

Author:

Jiang Hai Mei1,Zhang Jin Qing1,Zhang Shu Xu2,Sun Xiao Kang2

Affiliation:

1. CNOOC

2. No.10 Oil Production Company of Daqing Oilfield Company Ltd.

Abstract

A finite volume method for the numerical solution of viscoelastic flows is presented in this paper. The flow of a differential upper-convected Maxwell (UCM) model fluid through an abrupt expansion has been chosen as a prototype example. The equations are solved using the finite volume method (FVM) in a staggered grid. Stable solutions are found for high Weissenberg number (We), further extending the range of simulations with the FVM. Numerical results show the viscoelasticity of polymer solutions is the main factor influencing sweep efficiency.

Publisher

Trans Tech Publications, Ltd.

Reference6 articles.

1. ZHANG Li-juan, YUE Xiang-an. Mechanism for Viscoelastic Polymer Solution Percolating through Porous Media[J]. Journal of Hydrodynamics Ser. B, 2007, 19(2)241-248.

2. WANG De-min, LIN Jian-zhong. Influence of the Micro-force Produced by Viscoelastic Displacement Liquid on Displacement Efficiency [J]. Journal of Xi'an Shiyou University(Natural Science Edition), 2008, 23(1)43-55.

3. WANG Rui-jin, LIN Jian-zhong. Numerical Simulation of Transverse in a Micro-Channel[J]. Journal of Hydrodynamics Ser. B, 2004, 16(6): 651-657.

4. ZHANG Li-juan, YUE Xiang-an, LIU Zhong-chun, HOU Ji-rui. Flow field of viscoelastic fluid in pores with dead ends[J]. Journal of Hydrodynamics, Ser. A, 2002, 17(6):748-755 (in Chinese).

5. Hongjun Yin, Demin Wang, Huiying Zhong. Study on flow behaviors of viscoelastic polymer solution in micropore with dead end[C]. SPE 101950, San Antonio, Texas, USA, 2006, 786-795.

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