Multiphase flow in porous and fractured rocks.
Characterizing flow in natural rocks using neutron tomography is both of high societal interest and timely in terms of technical developments. Recent advances at the ILL-D50 beamline made it possible to design and use new experimental setup to study 3D flow dynamics within natural rocks in-situ. Multiphase flow is a complex process with a large implications to the subsurface, from geothermal energy, to CO2 sequestration and soil contamination. We designed, at D50, three pressure cells with multi-inflow and outflow capabilities able to mimic geological conditions in reservoir rocks at up to 800 meters depth. With fast time-lapse 3D tomography imaging we aim to improve our understanding of the dynamics of multiphase flow within complex natural rock systems. Groups involved in this proposal have a strong record of more than 15 publications since 2016 using X-ray and neutron imaging to study fluid-rock processes. An additional ~15 publications since 2016 deal with other sample systems studied by synchrotron-based CT. We built experimental apparatuses to image fluid-rock interactions using neutron tomography and studied the transport of cadmium, a major contaminant, in rocks.
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RENARD Francois; CORDONNIER Benoit; HELFEN Lukas and TENGATTINI Alessandro. (2021). Multiphase flow in porous and fractured rocks.. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.1-05-21
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