Articles | Volume 11, issue 6
Solid Earth, 11, 2411–2423, 2020
https://doi.org/10.5194/se-11-2411-2020

Special issue: Faults, fractures, and fluid flow in the shallow crust

Solid Earth, 11, 2411–2423, 2020
https://doi.org/10.5194/se-11-2411-2020

Method article 11 Dec 2020

Method article | 11 Dec 2020

Measuring hydraulic fracture apertures: a comparison of methods

Chaojie Cheng et al.

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Interactive discussion

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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 Harald Milsch on behalf of the Authors (20 Oct 2020)  Author's response    Manuscript
ED: Publish as is (25 Oct 2020) by Fabrizio Balsamo
ED: Publish as is (26 Oct 2020) by CharLotte Krawczyk(Executive Editor)
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Short summary
Fluids (like water or gases) within the Earth's crust often flow and interact with rock through fractures. The efficiency with which these fluids may flow through this void space is controlled by the width of the fracture(s). In this study, three different physical methods to measure fracture width were applied and compared and their predictive accuracy was evaluated. As a result, the mobile methods tested may well be applied in the field if a number of limitations and requirements are observed.