Abstract
This
study
presents
a
novel
application
of
Meta-Analysis
to
comprehensively
investigate
the
underground
storage
dynamics
CO2
and
H2,
addressing
limitations
posed
by
existing
experimental
data
laboratory-scale
experiments.
Our
methodology
capitalizes
on
published
datasets
concerning
reservoir
seal
rock
integrity,
deeply
investigating
effects
injected
H2
properties.
Structured
in
three
pivotal
stages,
our
research
first
consolidates
wide
array
studies
elucidating
factors
influencing
encompassing
fluid
properties,
type,
inherent
characteristics
such
as
mineralogy
geomechanical
Subsequently,
systematic
analysis
this
aggregated
unveils
critical
insights
into
multifaceted
factors.
Finally,
culminates
an
enriched
comprehension
behaviors
pertinent
storage.
findings
demonstrate
efficacy
approach
accurately
capturing
detailed
datasets,
facilitating
factors,
ultimately
enhancing
understanding
injection
for
applications.
comprehensive
also
enhances
ability
predict
mitigate
potential
risks
associated
with
injection,
optimizing
performance
maximizing
hydrocarbon
recovery.
Energies,
Год журнала:
2024,
Номер
17(2), С. 394 - 394
Опубликована: Янв. 12, 2024
Underground
Hydrogen
Storage
(UHS)
provides
a
large-scale
and
safe
solution
to
balance
the
fluctuations
in
energy
production
from
renewable
sources
consumption
but
requires
proper
detailed
characterization
of
candidate
reservoirs.
The
scope
this
study
was
estimate
hydrogen
diffusion
coefficient
for
real
caprock
samples
two
natural
gas
storage
reservoirs
that
are
candidates
underground
storage.
A
significant
number
adsorption/desorption
tests
were
carried
out
using
Dynamic
Gravimetric
Vapor/Gas
Sorption
System.
total
15
tested
at
reservoir
temperature
45
°C
both
methane.
For
each
sample,
performed
with
same
gas.
Each
test
included
four
partial
pressure
steps
sorption
alternated
desorption.
After
applying
overshooting
buoyancy
corrections,
data
then
interpreted
early
time
approximation
equation.
interpretable
step
provided
value
coefficient.
In
total,
more
than
90
estimations
120
available,
allowing
thorough
comparison
between
methane:
range
1
×
10−10
m2/s
6
10−8
methane
9
2
m2/s.
coefficients
measured
on
wet
times
lower
compared
those
dry
samples.
Hysteresis
also
observed.
Gas Science and Engineering,
Год журнала:
2023,
Номер
120, С. 205163 - 205163
Опубликована: Окт. 30, 2023
Multi-scale
shale
studies
put
a
significant
emphasis
on
high-resolution
investigations
from
nanometer
to
decametre
scales.
Despite
that
multiple
advanced
techniques
have
been
used
in
studies,
they
are
mostly
limited
the
detection
scopes
and
restricted
capacity
for
characterization
of
nanopores
with
substantial
heterogeneity.
Therefore,
it
remains
challenge
accurate
resource
estimation
unconventional
shales.
The
nuclear
magnetic
resonance
(NMR)
is
an
technique
enabling
non-destructive
fast
measurements,
has
advantage
evaluation
formations
nanopore
structure.
Petrophysical
using
NMR
made
breakthroughs
studies.
However,
multi-scale
not
fully
reviewed.
This
paper
thus
provides
overview
capabilities
multidisciplinary
largely
improve
accuracy
estimations.
We
proposed
quantitative
method
structure
relaxation
fluids.
laboratory
core
analysis
well
logging
can
be
applied
scales,
respectively,
precisely
measure
reservoir
properties,
including
total/effective
porosities,
clay-bound
water
(CBW)
contents,
pore
size
distribution,
surface
relaxivity,
absolute
permeability,
wettability,
fluid
types.
Importantly,
application,
new
research
areas
such
as
integrated
supercritical
CO2
enhanced
gas
recovery
(scCO2-ESGR)
carbon
geo-sequestration,
underground
hydrogen
storage
(UHS)
shales
developed
achieve
target
long-term
energy
supply
net-zero
emission.
New
in-situ
kerogen
pyrolysis
also
improved
by
dynamic
monitoring.
Physical Chemistry Chemical Physics,
Год журнала:
2024,
Номер
26(14), С. 10506 - 10514
Опубликована: Янв. 1, 2024
Nanoconfinement
enhances
gas
dimer
formation
in
nanopores.
Gas
clusters
larger
than
a
form
easily
hydrophobic
nanopores
and
this
is
not
observed
hydrophilic
Sustainability,
Год журнала:
2024,
Номер
16(5), С. 1960 - 1960
Опубликована: Фев. 27, 2024
The
present
study
investigates
the
adsorption
of
hydrogen
gas
by
Triassic
Chang
7
Shale
Member
in
Ordos
Basin,
China.
mineral
composition,
microscopic
morphology,
pore
characteristics,
capacity,
and
factors
influencing
were
explored
using
X-ray
diffraction
(XRD),
thin
section
observations,
nitrogen
adsorption,
scanning
electron
microscopy
(SEM),
high-pressure
experiments.
Based
on
these
integrated
tools,
it
was
revealed
that
primarily
comprises
organic
matter
(kerogen)
clay
minerals
(predominantly
an
illite/smectite-mixed
layer
[I/S]).
Nitrogen
adsorption–desorption
curves
indicated
presence
slit-shaped
pores,
cracks,
wedge-shaped
structures.
shale
decreases
with
increasing
temperature
increases
pressure.
This
behaviour
conforms
to
both
Freundlich
Langmuir
equations;
moreover,
equation
provides
a
better
fit.
Organic
considerably
influence
adsorption.
research
insights
into
occurrence
shale,
offering
implications
for
exploration
natural
gas.
