Borehole guided waves in a non-Newtonian (Maxwell) fluid-saturated porous medium

doi:10.1088/1674-1056/19/8/084301

中国物理B ›› 2010, Vol. 19 ›› Issue (8): 84301-084301.doi: 10.1088/1674-1056/19/8/084301

Borehole guided waves in a non-Newtonian (Maxwell) fluid-saturated porous medium

崔志文¹, 刘金霞¹, 王克协¹, 姚桂锦²

(1)Department of Acoustics and Microwave Physics, School of Physics, Jilin University, Changchun 130021, China; (2)The School of Communication Engineering, Jilin University, Changchun 130012, China

收稿日期:2010-01-01 修回日期:2010-01-22 出版日期:2010-08-15 发布日期:2010-08-15
基金资助:
Project supported by the National Natural Science Foundation of China (Grant Nos. 40974067, 40674059 and 10534040) and the State Key Laboratory of Acoustics, Chinese Academy of Sciences (Grant No. 200807), and Scientific Forefront and Interdisciplinary Innovation Project of Jilin University (Grant No. 200903319).

Borehole guided waves in a non-Newtonian (Maxwell) fluid-saturated porous medium

Cui Zhi-Wen(崔志文)^a)†, Liu Jin-Xia(刘金霞)^a), Yao Gui-Jin(姚桂锦)^b), and Wang Ke-Xie(王克协)^a)

^a Department of Acoustics and Microwave Physics, School of Physics, Jilin University, Changchun 130021, China; ^b The School of Communication Engineering, Jilin University, Changchun 130012, China

Received:2010-01-01 Revised:2010-01-22 Online:2010-08-15 Published:2010-08-15
Supported by:
Project supported by the National Natural Science Foundation of China (Grant Nos. 40974067, 40674059 and 10534040) and the State Key Laboratory of Acoustics, Chinese Academy of Sciences (Grant No. 200807), and Scientific Forefront and Interdisciplinary Innovation Project of Jilin University (Grant No. 200903319).

摘要/Abstract

摘要： The property of acoustic guided waves generated in a fluid-filled borehole surrounded by a non-Newtonian (Maxwell) fluid-saturated porous formation with a permeable wall is investigated. The influence of non-Newtonian effects on acoustic guided waves such as Stoneley waves, pseudo-Rayleigh waves, flexural waves, and screw waves propagations in a fluid-filled borehole is demonstrated based on the generalized Biot–Tsiklauri model by calculating their velocity dispersion and attenuation coefficients. The corresponding acoustic waveforms illustrate their properties in time domain. The results are also compared with those based on generalized Biot's theory. The results show that the influence of non-Newtonian effect on acoustic guided wave, especially on the attenuation coefficient of guided wave propagation in borehole is noticeable.

Abstract: The property of acoustic guided waves generated in a fluid-filled borehole surrounded by a non-Newtonian (Maxwell) fluid-saturated porous formation with a permeable wall is investigated. The influence of non-Newtonian effects on acoustic guided waves such as Stoneley waves, pseudo-Rayleigh waves, flexural waves, and screw waves propagations in a fluid-filled borehole is demonstrated based on the generalized Biot–Tsiklauri model by calculating their velocity dispersion and attenuation coefficients. The corresponding acoustic waveforms illustrate their properties in time domain. The results are also compared with those based on generalized Biot's theory. The results show that the influence of non-Newtonian effect on acoustic guided wave, especially on the attenuation coefficient of guided wave propagation in borehole is noticeable.

Key words: borehole, guided waves, Maxwell fluid, porous medium

中图分类号: (Other topics in solid Earth physics)

91.90.+p

43.20.Ks (Standing waves, resonance, normal modes) 91.60.Lj (Acoustic properties) 91.60.Np (Permeability and porosity) 93.85.Fg (Downhole methods)

崔志文, 刘金霞, 姚桂锦, 王克协. Borehole guided waves in a non-Newtonian (Maxwell) fluid-saturated porous medium[J]. 中国物理B, 2010, 19(8): 84301-084301.

Cui Zhi-Wen(崔志文), Liu Jin-Xia(刘金霞), Yao Gui-Jin(姚桂锦), and Wang Ke-Xie(王克协). Borehole guided waves in a non-Newtonian (Maxwell) fluid-saturated porous medium[J]. Chin. Phys. B, 2010, 19(8): 84301-084301.

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Borehole guided waves in a non-Newtonian (Maxwell) fluid-saturated porous medium

Borehole guided waves in a non-Newtonian (Maxwell) fluid-saturated porous medium

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