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@INPROCEEDINGS{Rezaeyan:863049,
author = {Rezaeyan, A. and Pipich, V. and Bertier, P. and Seemann, T.
and Leu, L. and Kampman, N. and Feoktystov, A. and Barnsley,
L. and Busch, A.},
title = {{M}icrostructural {I}nvestigation of {M}udrock {S}eals
{U}sing {N}anometer-{S}cale {R}esolution {T}echniques},
reportid = {FZJ-2019-03171},
pages = {-},
year = {2019},
abstract = {Small angle neutron scattering (SANS) and nitrogen
low-pressure adsorption (LPS) have been used to characterise
the pore structure of two organic lean mudrocks, Opalinus
Clay, Mont Terri, Switzerland and Carmel Claystone, Utah.
This was done in order to obtain a better understanding of
H2 and CO2 transport, reaction and sorption related to
radioactive waste disposal and carbon storage, respectively.
The pore structure information derived by SANS and LPS are
comparable and the results have revealed a vast
heterogeneity from 2 nm to 2 µm, which can be related to
the high clay contents. Due to the high clay contents, pores
smaller than 10 nm constitute a large fraction of total
porosity (25-30 $\%)$ and most of specific surface area (up
to 80 $\%)$ in the sample mudrocks. Accordingly, these
interplays contribute to a pore network of few-to-several
nano-Darcy permeability in which pore size dependent
transport mechanisms can vary from high sorptive diffusional
fluid flow in small pores to low sorptive slip flow regime
at progressively larger pores.},
month = {Apr},
date = {2019-04-28},
organization = {Sixth EAGE Shale Workshop, Bordeaux
(France), 28 Apr 2019 - 1 May 2019},
cin = {JCNS-FRM-II / Neutronenstreuung ; JCNS-1 / MLZ},
cid = {I:(DE-Juel1)JCNS-FRM-II-20110218 /
I:(DE-Juel1)JCNS-1-20110106 / I:(DE-588b)4597118-3},
pnm = {6G4 - Jülich Centre for Neutron Research (JCNS) (POF3-623)
/ 6G15 - FRM II / MLZ (POF3-6G15)},
pid = {G:(DE-HGF)POF3-6G4 / G:(DE-HGF)POF3-6G15},
experiment = {EXP:(DE-MLZ)KWS1-20140101 / EXP:(DE-MLZ)KWS3-20140101},
typ = {PUB:(DE-HGF)8},
doi = {10.3997/2214-4609.201900276},
url = {https://juser.fz-juelich.de/record/863049},
}