conference,
Journal Year:
2025,
Volume and Issue:
unknown, P. 1 - 10
Published: April 6, 2025
Abstract
As
hydrogen
is
becoming
a
key
source
for
transitioning
the
existing
energy
system
toward
decarbonized
sources,
one
of
remaining
challenges
large-scale
deployment
development
safe
and
efficient
storage
systems.
Geological
reservoirs,
such
as
depleted
oil
gas
fields
or
saline
aquifers,
have
been
discussed
option
that
could
provide
volume
capacity
needed
underground
(UHS).
While
(UGS)
has
safely
used
CH4
decades,
experience
not
directly
transferable
in
UHS
considering
differences
between
two
Differences
include:
cyclic
loading
frequency
restrictionsthe
purity
limitationsdifferent
properties
diffusivity,
dissolution,
surface/interfacial
tension,
which
can
lead
to
different
physiochemical
behaviors
reservoir.microbial
activity,
will
be
more
significant
during
molecular
main
electron
donors
microbial
respiration
subsurface.
Therefore,
assessment
should
include
subsurface
biosphere
review
native
bacteria
archaea
well
those
introduced
drilling,
pumping
mining.
The
also
consider
effect
other
contaminants
like
pyrite
(FeS2)
sulfur
containing
compounds,
water,
CO2
organic
acids,
potentially
cause
corrosion
adversely
impact
integrity.
This
paper
discusses
these
issues
provides
pathway
from
material
integrity
perspective.
Fuel,
Journal Year:
2024,
Volume and Issue:
364, P. 131038 - 131038
Published: Jan. 28, 2024
With
the
long-standing
efforts
of
green
transition
in
our
society,
underground
hydrogen
storage
(UHS)
has
emerged
as
a
viable
solution
to
buffering
seasonal
fluctuations
renewable
energy
supplies
and
demands.
Like
operations
hydrocarbon
production
geological
CO2
storage,
successful
UHS
project
requires
good
understanding
subsurface
formations,
while
having
different
operational
objectives
practical
challenges.
Similar
situations
problems,
information
formations
at
field
level
cannot
be
obtained
through
direct
measurements
due
resulting
high
costs.
As
such,
there
is
need
for
characterization
monitoring
scale,
which
uses
certain
history
matching
algorithm
calibrate
numerical
model
based
on
available
data.
Whereas
have
been
widely
used
activities
better
reservoirs,
best
knowledge,
present
it
appears
relatively
less
touched
area
problems.
This
work
aims
narrow
this
noticed
gap,
investigates
use
an
ensemble-based
workflow
3D
case
study.
Numerical
results
study
indicate
that
works
reasonably
well,
also
identifying
some
particular
challenges
would
relevant
real-world
Energy Reports,
Journal Year:
2024,
Volume and Issue:
11, P. 2374 - 2400
Published: Feb. 9, 2024
Underground
Hydrogen
Storage
(UHS)
has
gathered
interest
over
the
past
decade
as
an
efficient
means
of
storing
energy.
Although
a
significant
number
research
and
demonstration
projects
have
sought
to
understand
associated
technical
challenges,
it
is
yet
be
achieved
on
commercial
scales.
We
highlight
case
studies
from
town
gas
blended
hydrogen
storage
focusing
leakage
pathways
reactivity.
Experience
helium
serves
analogue
for
containment
security
two
gases
share
physiochemical
similarities,
including
small
molecular
size
high
diffusivity.
Natural
are
also
investigated,
well
integrity
safety
challenges.
Technical
parameters
identified
having
adverse
effects
security,
efficiency,
reactivity
were
then
used
develop
high-level
site-specific
screening
criteria.
Thirty-two
depleted
offshore
hydrocarbon
reservoirs
in
UK
Continental
Shelf
(UKCS)
potential
formations
based
application
our
The
screened
fields
reflect
large
energy
capacities,
low
cushion
requirements,
proximity
wind
farms,
thereby
highlighting
widespread
geographic
availability
UHS
UKCS.
Following
initial
screening,
we
propose
that
analysis
existing
concentrations
investigation
local
tectonic
settings
key
criteria
identifying
stored
hydrogen.
Sustainability,
Journal Year:
2024,
Volume and Issue:
16(5), P. 1958 - 1958
Published: Feb. 27, 2024
The
paper
adopts
an
interdisciplinary
approach
to
comprehensively
review
the
current
knowledge
in
field
of
porous
geological
materials
for
hydrogen
adsorption.
It
focuses
on
detailed
analyses
adsorption
characteristics
clay
minerals,
shale,
and
coal,
considering
effect
factors
such
as
pore
structure
competitive
with
multiple
gases.
fundamental
principles
underlying
physically
controlled
storage
mechanisms
these
matrices
are
explored.
findings
show
that
coal
is
predominantly
governed
by
physical
follows
Langmuir
equation.
capacity
decreases
increasing
temperature
increases
pressure.
presence
carbon
dioxide
methane
affects
hydrogen.
Pore
characteristics—including
specific
surface
area,
micropore
volume,
size—in
crucial
influence
Micropores
play
a
significant
role,
allowing
molecules
interact
walls,
leading
increased
enthalpy.
This
comprehensive
provides
insights
into
potential
materials,
laying
groundwork
further
research
development
efficient
sustainable
solutions.
Applied Sciences,
Journal Year:
2025,
Volume and Issue:
15(3), P. 1614 - 1614
Published: Feb. 5, 2025
The
aim
of
this
study
is
to
review
and
identify
H2
storage
suitability
in
geological
reservoirs
the
Republic
Lithuania.
Notably,
Lithuania
can
store
clean
effectively
competitively
because
its
wealth
resources
well-established
infrastructure.
viability
Lithuanian
contexts
highlighted
study.
In
addition,
when
it
comes
injectivity
capacity,
salt
caverns
saline
aquifers
present
less
a
challenge
than
other
kinds
medium.
possesses
sizable
subterranean
(Cambrian
rocks)
that
be
utilized
H2.
For
preliminary
assessment,
cyclic
injection,
production
simulation
performed.
A
10-year
hydrogen
injection
recovery
Syderiai
aquifer
demonstrated
feasibility
UHS,
though
efficiency
was
reduced
by
nearly
50%
using
single
well
for
both
production.
suggests
separate
wells
improve
efficiency.
However,
guarantee
economic
containment
security,
detailed
assessment
structures
required
specifically
at
pore
scale
level.
volumetric
approach
estimated
combined
capacity
approximately
898.5
Gg
(~11
TWh)
Vaskai
aquifers,
significantly
exceeding
previous
estimates.
findings
underscore
importance
data
further
research
on
hydrogen-specific
factors
optimize
UHS
Addressing
technical,
geological,
environmental
challenges
through
multidisciplinary
essential
advancing
implementation
supporting
Lithuania’s
transition
sustainable
energy
system.
makes
possible
maximize
use
energy,
reduce
greenhouse
gas
emissions,
build
more
resilient
Hence,
intensive
advancements
are
needed
broader
applications
