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【期刊论文】Simulation of monopole and multipole seismoelectric logging
崔志文, Cui Zhiwen, Liu Jinxia, Zhang Yujun, Wang Kexie, Hu Hengshan
Advances in Acoustics and Vibration, vol. 2011,-0001,():
-1年11月30日
In a fluid-saturated porous formation, acoustics and electromagnetic waves are coupled based on Pride seismoelectric theory. An exact treatment of the nonaxisymmetric seismoelectric field excited by acoustic multipole sources is presented. The frequency wavenumber domain representations of the acoustic field and associated seismoelectric field due to acoustic multipole sources are formulated. The full waveforms of acoustic waves and electric and magnetic fields in the time domain propagation in borehole are simulated by using a discrete wave number integration and frequency versus axial-wave number responses are presented and analyzed.
Seismoelectric,, Borehole,, Acoustic multipole sources.,
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【期刊论文】Borehole guided waves in a non-Newtonian (Maxwell) fluid-saturated porous medium
崔志文, []. Cui Zhiwen, Liu Jinxia, Yao Guijin, Wang Kexie,
Chinese Physics B 2010,19(8) 084301-7,-0001,():
-1年11月30日
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 the acoustic guided waves such as Stoneley waves, pseudo-Rayleigh waves, flexural waves, and screw waves propagation 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 the time domain. The results are also compared with those based on generalized Biot’s theory. The results show that the influence of non-Newtonian effects on acoustic guided waves, especially on the attenuation coefficients of guided waves propagation in borehole is noticeable.
borehole, guided waves, Maxwell fluid, porous medium
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【期刊论文】Elastic waves in non-Newtonian (Maxwell) fluid-saturated porous media
崔志文
,-0001,():
-1年11月30日
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