Articles | Volume 2
https://doi.org/10.5194/sand-2-49-2023
https://doi.org/10.5194/sand-2-49-2023
Conference Abstract
 | 
06 Sep 2023
Conference Abstract |  | 06 Sep 2023

Determination of the in situ hydraulic parameters of the Callovo–Oxfordian clay rock in a long-term hydraulic interference testing at Andra's Underground Research Laboratory (CMHM)

Jean Croisé, Gerhard Mayer, and Rémi De La Vaissière

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Short summary
The determination of flow parameters in a low-permeability clay was made possible by long-term observation pressure and flow rate data and the consideration of the precise experimental set-up composed of two parallel boreholes with three observation sections each. Using 3D modelling and properly specified geometry and conditions, it has been possible to determine the water flow properties of the Callovo–Oxfordian Clay at the decameter scale, which is a unique determination in tight clay.