Articles | Volume 11, issue 3
Research article
08 May 2020
Research article |  | 08 May 2020

Azimuth-, angle- and frequency-dependent seismic velocities of cracked rocks due to squirt flow

Yury Alkhimenkov, Eva Caspari, Simon Lissa, and Beatriz Quintal


Interactive discussion

Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision
AR by Svenja Lange on behalf of the Authors (23 Mar 2020)  Author's response
ED: Referee Nomination & Report Request started (24 Mar 2020) by Susanne Buiter
RR by Vishal Das (28 Mar 2020)
ED: Publish as is (29 Mar 2020) by Susanne Buiter
ED: Publish as is (29 Mar 2020) by Susanne Buiter(Executive Editor)
Short summary
We perform a three-dimensional numerical study of the fluid–solid deformation at the pore scale. We show that seismic wave velocities exhibit strong azimuth-, angle- and frequency-dependent behavior due to squirt flow between interconnected cracks. We conclude that the overall anisotropy mainly increases due to squirt flow, but in some specific planes it can locally decrease as well as increase, depending on the material properties.