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Borehole Coupling of Seismic Waves in a Permeable Solid1

By
J. E. White
J. E. White
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E. Welsh
E. Welsh
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Published:
January 01, 2000

Abstract

White, J.E. and Welsh, E. 1988. Borehole coupling of seismic waves in a permeable solid. Geophysical Prospecting 36,417–429.

Expressions are derived for the acoustic pressure in a fluid-tilled borehole due to the passage of plane compressional or shear waves propagating in a porous and permeable medium. The derivation is based on a quasistatic description, yielding results applicable at low frequencies. Computations for a plausible sandstone (with porosity of 0.21 and permeability of 300 millidarcies) show accoustic pressure to be a surprisingly distortion-free version of the stress waveform in a plane compressional wave. For a plane shear wave, the pressure waveform is visibly distorted.

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Society of Exploration Geophysicists Geophysics Reprint Series

Seismic Wave Propagation: Collected Works of J. E. White

J. E. White
J. E. White
Professor Emeritus, Colorado School of Mines
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Society of Exploration Geophysicists
Volume
21
ISBN electronic:
9781560802471
Publication date:
January 01, 2000

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