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@ARTICLE{Rezaeyan:1018009,
author = {Rezaeyan, Amirsaman and Kampman, Niko and Pipich, Vitaliy
and Barnsley, Lester C. and Rother, Gernot and Magill,
Clayton and Ma, Jingsheng and Busch, Andreas},
title = {{E}volution of {P}ore {S}tructure in {O}rganic-{L}ean and
{O}rganic-{R}ich {M}udrocks},
journal = {Energy $\&$ fuels},
volume = {37},
number = {21},
issn = {0887-0624},
address = {Columbus, Ohio},
publisher = {American Chemical Society},
reportid = {FZJ-2023-04479},
pages = {16446 - 16460},
year = {2023},
abstract = {The pore structure of mudrocks is a key characteristic to
evaluate flow behavior through these rocks. Although
significant advances have been made to resolve pore
characteristics, porosity evolution, or pore connectivity,
there is still insufficient knowledge linking porosity
evolution to flow and transport in mudrocks. To better
understand these links, we conducted very small-angle
(VSANS) and small-angle neutron scattering (SANS)
experiments on 13 sets of mudrocks from global locations,
characterized by differences in composition, maturity, and
depositional environment. Our results indicate that a
homogeneous pore structure reflects a stable and low-energy
depositional environment. Organic-lean mudrocks mainly
contain pores <10 nm, which restricts flow and is beneficial
for, e.g., caprock seal integrity. Increasing maturity as a
result of increasing burial depth, and therefore,
temperature leads to porosity evolution. In organic-rich
mudrocks (ORMs), this happens through the generation of
organic matter pores and pore preservation around
diagenetically formed carbonates. ORMs mainly contain
macropores (>50 nm), favoring production from, e.g.,
unconventional reservoirs. SANS-derived pore size
distributions will help to better understand fluid
imbibition and flow properties in mudrocks through
comprehensive quantitative characterization of the nano- to
micron scale pore network conduits and their relationships
to burial diagenesis.},
cin = {JCNS-4 / JCNS-1 / MLZ / JCNS-FRM-II},
ddc = {660},
cid = {I:(DE-Juel1)JCNS-4-20201012 / I:(DE-Juel1)JCNS-1-20110106 /
I:(DE-588b)4597118-3 / I:(DE-Juel1)JCNS-FRM-II-20110218},
pnm = {632 - Materials – Quantum, Complex and Functional
Materials (POF4-632) / 6G4 - Jülich Centre for Neutron
Research (JCNS) (FZJ) (POF4-6G4)},
pid = {G:(DE-HGF)POF4-632 / G:(DE-HGF)POF4-6G4},
experiment = {EXP:(DE-MLZ)KWS3-20140101 / EXP:(DE-MLZ)KWS1-20140101},
typ = {PUB:(DE-HGF)16},
UT = {WOS:001098130200001},
doi = {10.1021/acs.energyfuels.3c02180},
url = {https://juser.fz-juelich.de/record/1018009},
}