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Electromagnetic/acoustic coupling in partially-saturated porous rocks: An extension of Pride’s theory
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  • Leonardo Bruno Monachesi,
  • Fabio Zyserman,
  • Laurence Jouniaux,
  • Arthur H Thompson
Leonardo Bruno Monachesi
CONICET, Instituto de Investigación en Paleobiologı́a y Geologı́a
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Fabio Zyserman
CONICET, Facultad de Ciencias Astronómicas y Geofı́sicas, Universidad Nacional de La Plata, Paseo del Bosque s/n, La Plata, B1900FWA, Buenos Aires, Argentina

Corresponding Author:zyserman@fcaglp.unlp.edu.ar

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Laurence Jouniaux
Institut Terre et Environnement de Strasbourg, Université de Strasbourg, CNRS, Strasbourg, UMR7063, France
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Arthur H Thompson
Independent researcher,13602 Peachwood Ct, Houston, 77077, Texas, USA
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In this paper a set of equations governing the electromagnetic/acoustic coupling in partially-saturated porous rocks in the low-frequency regime is derived. The equations are obtained by volume averaging of fundamental electromagnetic and mechanical equations valid at the porescale, following the same procedure as the one developed in the seminal paper of S. Pride for porous media where the fluid electrolyte fully saturates the pore space. In the present approach it is assumed that the porous rock is partially saturated with a wetting-fluid electrolyte