Experimental study on flow properties of air foam in heterogeneous reservoir

  • Y ANG Zhe ,
  • ZHONG Dakang ,
  • DU Benqiang ,
  • L I Qirong ,
  • ZHU Haihua ,
  • ZHOU Yuzhe
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  • 1. Institute of Shaanxi Yanchang Petroleum (Group) Co. Ltd., Xi’an 710075, China; 2. Institute of Exploration and Development, Ganguyi Oil Production Plant, Yanchang Oilfield Company Ltd., Yan’an 716005, Shaanxi, China

Online published: 2014-04-06

Abstract

 This paper analyzed the percolation capacity and influencing factors of air foam in single homogeneous cores with different permeabilities and different gas-liquid ratios, and studied the fractional flow rates of parallel cores with different permeability ratios. The experimental results indicate that the larger the gas-liquid ratio is, the larger the flow resistance of foam system is; with the increase of permeability and volume of foam system injected, the resistance factor gets larger, and the blocking ability of foam system increases; the fluid diversion capacity is good while foam flow in heterogeneous reservoir, but with the increase of permeability ratio, the ability of foam system to divert liquid tends to decrease.

Cite this article

Y ANG Zhe , ZHONG Dakang , DU Benqiang , L I Qirong , ZHU Haihua , ZHOU Yuzhe . Experimental study on flow properties of air foam in heterogeneous reservoir[J]. Lithologic Reservoirs, 2014 , 26(2) : 128 -132 . DOI: 10.3969/j.issn.1673-8926.2014.02.021

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