Numerical simulation of the electromagnetic-wave-induced shear horizontal wave logging for measuring shear velocity in a porous formation

Guan Wei; Cui Naigang; Hu Hengshan

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Numerical simulation of the electromagnetic-wave-induced shear horizontal wave logging for measuring shear velocity in a porous formation

Guan Wei * #,Cui Naigang,Hu Hengshan

Department of Astronautics and Mechanics, Harbin Institute of Technology

*Correspondence author

#Submitted by

Subject:

Funding: Research Fund for the Doctoral Program of Higher Education of China （No.20102302120024）

Opened online:10 March 2014

Accepted by: none

Citation: Guan Wei,Cui Naigang,Hu Hengshan.Numerical simulation of the electromagnetic-wave-induced shear horizontal wave logging for measuring shear velocity in a porous formation[OL]. [10 March 2014] http://en.paper.edu.cn/en_releasepaper/content/4588598

A method is proposed for measuring the shear wave velocity by using the electromagnetic-wave-induced shear horizontal (SH) wave logging. In this method, a horizontal current loop that exits the transverse electric wave is located in the borehole and the induced SH wave is received at the borehole wall due to the electrokinetic effect in porous formation. Numerical simulations of the logs are implemented in different fluid-saturated porous formations, and the shear wave velocities are directly extracted from the simulated full waveforms. Compared to the acoustic logging, the method is not restricted by the formation and the source frequency.

Keywords:electrokinetic effect; porous medium; shear wave

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