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To date, very little is known about the distribution ofnatural gas hydrates in sedimentary matrices and its influence on the seismicproperties of the host rock, in particular at low hydrate concentration.Digital rock physics offers a unique approach to this issue yet requires goodquality, high-resolution 3-D representations for the accurate modeling ofpetrophysical and transport properties. Although such models are readilyavailable via in situ synchrotron radiation X-ray tomography, the analysis ofsuch data asks for complex workflows and high computational power to maintainvaluable results. Here, we present a best-practice procedure complementingdata from Chaouachi et al. (2015)with data post-processing, including image enhancement and segmentation aswell as exemplary numerical simulations of an acoustic wave propagation in3-D using the derived results. A combination of the tomography and 3-Dmodeling opens a path to a more reliable deduction of properties of gas hydrate-bearing sediments without a reliance on idealized and frequentlyimprecise models

On the path to the digital rock physics of gas hydrate-bearing sediments – processing of in situ synchrotron-tomography data