Determination Method of Polymer Flooding Relative Permeability Curves

doi:10.3863/j.issn.1000-2634.1996.03.008

西南石油大学学报(自然科学版) ›› 1996, Vol. 18 ›› Issue (3): 51-56.DOI: 10.3863/j.issn.1000-2634.1996.03.008

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Determination Method of Polymer Flooding Relative Permeability Curves

Chen Tielong¹ Tang Jinxing² Peng Kezong¹ He Jinsong²

1.Southwestern Petroleum Institute 2.Exploration and Development Research Institute of Henan Petroleum Exploration Bureau

Received:1995-10-20 Revised:1900-01-01 Online:1996-08-20 Published:1996-08-20
Contact: Chen Tie-long

Abstract

Abstract: On the basis of experimental study of the in-situ rheology of the polymer solution through porous media, this paper obtains an effective viscosity dependence of polymer so-lution upon phase saturation and fractional flow rate. Thus the experimental technique an method to determine the polymer flooding relative permeability curves are developed by steady-state method and the relative permeability curves for oil/polymer solution system
and for oil/water system after the polymer is slugged , are successfully measured, and the relevant emprical equations are also selected. in this paper, The characteristics of the rela-tive permeability curves for polymer flooding is discussed, and the effect of free polymer molecules in water phase and the polymer absorbed and retained in the rocks on the rela-tive permeability curces is analyzed, revealing the law of multiphase flow during polymer flooding.

Key words: Chemical flooding, Oil displacement mechanism, Relative permeability curve, Permeability determination, Porous media

CLC Number:

TE 357.43

Chen Tielong Tang Jinxing Peng Kezong He Jinsong. Determination Method of Polymer Flooding Relative Permeability Curves[J]. 西南石油大学学报(自然科学版), 1996, 18(3): 51-56.

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Determination Method of Polymer Flooding Relative Permeability Curves

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