On the interfacial hydraulic conductivity in a layered porous medium

doi:10.7623/syxb200302011

Editorial office of ACTA PETROLEI SINICA ›› 2003, Vol. 24 ›› Issue (2): 54-56,60.DOI: 10.7623/syxb200302011

• Oil Field Development • Previous Articles Next Articles

On the interfacial hydraulic conductivity in a layered porous medium

SUN He-dong¹, LIU Lei¹, ZHOU Fang-de¹, V. K. Dhir²

1. State Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University, Xi'an 710049, China;
2. University of California, Los Angeles, CA, USA

Received:2002-03-27 Revised:2002-10-08 Online:2003-03-25 Published:2010-05-21

多层多孔介质界面的水动力特征

孙贺东¹, 刘磊¹, 周芳德¹, V. K. Dhir²

1. 西安交通大学动力工程多相流国家重点实验室, 陕西西安, 710049;
2. Univ of California, Los Angeles 90024, CA, USA

作者简介:孙贺东,男,1973年11月生,2000年毕业于西安石油学院,获硕士学位,现为西安交通大学动力工程多相流国家重点实验室博士研究生,主要从事油气水多相流研究.
基金资助:
国家自然科学基金资助项目(No.59995460),教育部留学回国人员基金资助项目.

Abstract

Abstract: Results of experiments conducted to determine the hydraulic characteristics of the interface formed between layers of different size particles are reported in this work.In the experiments,300μm and 50μm diameter glass particles were used and the interface was normal to the direction of flow.The pressure gradient and hydraulic conductivity in the vicinity of the interface were measured.The porosity distribution were measured using -ray attenuation technique.A significant reduction is observed in the interfacial porosity and the measured porosity is found to compare well with that calculated from the experimentally determined pressure gradient.

Key words: layered porous medium, hydraulic conductivity, interface, non-homogeneity, γ-ray attenuation

摘要： 通过实验来确定多层多孔介质界面的水动力学特性,这些层由大小不同的颗粒组成。实验采用直径为300μm和50μm的玻璃颗粒,水的流动方向垂直于两者形成的接触面,测量了界面附近的压力梯度和水动力特征;利用射线衰减技术测量孔隙度的分布。实验结果表明:在界面附近压力线性下降,但压力剖面要比分别由300μm和50μm粒径组成的均质层的剖面陡;在界面附近孔隙度显著降低;直接测量的孔隙度和根据实验计算的孔隙度符合很好;多孔介质的非均质性引起扩散性增强

关键词: 多层多孔介质, 水动力特征, 界面, 非均质性, 射线衰减

CLC Number:

TE312

SUN He-dong, LIU Lei, ZHOU Fang-de, V. K. Dhir. On the interfacial hydraulic conductivity in a layered porous medium[J]. Editorial office of ACTA PETROLEI SINICA, 2003, 24(2): 54-56,60.

孙贺东, 刘磊, 周芳德, V. K. Dhir. 多层多孔介质界面的水动力特征[J]. 石油学报, 2003, 24(2): 54-56,60.

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On the interfacial hydraulic conductivity in a layered porous medium

多层多孔介质界面的水动力特征

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