Energy Reports,
Journal Year:
2021,
Volume and Issue:
8, P. 461 - 499
Published: Dec. 17, 2021
Without
remorse,
fossil
fuels
have
made
a
huge
contribution
to
global
development
in
all
of
its
forms.
However,
the
recent
scientific
outlooks
are
currently
shifting
as
more
research
is
targeted
towards
promoting
carbon-free
economy
addition
use
electric
power
from
renewable
sources.
While
energy
sources
may
be
solution
anthropogenic
greenhouse
gas
(GHG)
emissions
fuel
they
yet
season-dependent
faced
with
major
atmospheric
drawbacks
which
when
combined
annually
varying,
but
steady,
demand,
results
excesses
or
deficits.
Therefore,
it
essential
devise
long-term
storage
medium
balance
their
intermittent
demand
and
supply.
Hydrogen
(H2)
an
vector
has
been
suggested
viable
method
achieving
objectives
meeting
increasing
demand.
successful
implementation
full-scale
H2
requires
large-scale
(as
highly
compressible).
As
such,
geological
formations
considered
potential
where
can
withdrawn
again
at
larger
stage
for
utilization.
Thus,
this
review,
we
focus
on
underground
hydrogen
(UHS)
both
conventional
non-conventional
UHS
options
were
examined
depth.
Also,
insights
into
some
probable
sites,
related
criteria
selection
highlighted.
The
hydrodynamics
influencing
factors
(including
solid,
fluid,
solid–fluid
interactions)
summarized
exclusively.
In
addition,
economics
reaction
perspectives
inherent
examined.
findings
study
show
that
UHS,
like
other
systems,
still
infancy.
Further
needed
address
significant
hurdles
gaps
found,
particularly
replaceable
parameters.
result,
valuable
resource
researchers.
Fuel,
Journal Year:
2022,
Volume and Issue:
337, P. 127032 - 127032
Published: Dec. 30, 2022
Hydrogen
future
depends
on
large-scale
storage,
which
can
be
provided
by
geological
formations
(such
as
caverns,
aquifers,
and
depleted
oil
gas
reservoirs)
to
handle
demand
supply
changes,
a
typical
hysteresis
of
most
renewable
energy
sources.
Amongst
them,
natural
reservoirs
are
the
cost-effective
secure
solutions
due
their
wide
geographic
distribution,
proven
surface
facilities,
less
ambiguous
site
evaluation.
They
also
require
cushion
native
residual
gases
serve
buffer
for
pressure
maintenance
during
storage.
However,
there
is
lack
thorough
understanding
this
technology.
This
work
aims
provide
comprehensive
insight
technical
outlook
into
hydrogen
storage
in
reservoirs.
It
briefly
discusses
operating
potential
case
studies,
thermophysical
petrophysical
properties
withdrawal
capacity,
immobilization,
efficient
containment.
Furthermore,
comparative
approach
hydrogen,
methane,
carbon
dioxide
with
respect
well
integrity
has
been
highlighted.
A
summary
key
findings,
challenges,
prospects
reported.
Based
review,
hydrodynamics,
geochemical,
microbial
factors
subsurface’s
principal
promoters
losses.
The
injection
strategy,
reservoir
features,
quality,
operational
parameters
significantly
impact
Future
works
(experimental
simulation)
were
recommended
focus
hydrodynamics
geomechanics
aspects
related
migration,
mixing,
dispersion
improved
recovery.
Overall,
review
provides
streamlined
Energy Reports,
Journal Year:
2021,
Volume and Issue:
7, P. 5988 - 5996
Published: Sept. 21, 2021
Hydrogen
(H2)
as
a
cleaner
fuel
has
been
suggested
viable
method
of
achieving
the
de-carbonization
objectives
and
meeting
increasing
global
energy
demand.
However,
successful
implementation
full-scale
hydrogen
economy
requires
large-scale
storage
(as
is
highly
compressible).
A
potential
solution
to
this
challenge
injecting
into
geologic
formations
from
where
it
can
be
withdrawn
again
at
later
stages
for
utilization
purposes.
The
geo-storage
capacity
porous
formation
function
its
wetting
characteristics,
which
strongly
influence
residual
saturations,
fluid
flow,
rate
injection,
withdrawal,
containment
security.
literature
severely
lacks
information
on
wettability
in
realistic
geological
caprock
formations,
contain
organic
matter
(due
prevailing
reducing
atmosphere).
We,
therefore,
measured
advancing
(θa)
receding
(θr)
contact
angles
mica
substrates
various
representative
thermo-physical
conditions
(pressures
0.1-25
MPa,
temperatures
308–343
K,
stearic
acid
concentrations
10−9
-
10−2
mol/L).
exhibited
an
tendency
become
weakly
water-wet
higher
temperatures,
lower
pressures,
very
low
concentration.
turned
intermediate-wet
concentrations.
study
suggests
that
structural
H2
trapping
capacities
sealing
potentials
depend
specific
condition.
Thus,
novel
data
provides
significant
advancement
will
aid
industrial
scale.
Progress in Energy and Combustion Science,
Journal Year:
2022,
Volume and Issue:
95, P. 101066 - 101066
Published: Dec. 10, 2022
Hydrogen
(H2)
is
currently
considered
a
clean
fuel
to
decrease
anthropogenic
greenhouse
gas
emissions
and
will
play
vital
role
in
climate
change
mitigation.
Nevertheless,
one
of
the
primary
challenges
achieving
complete
H2
economy
large-scale
storage
H2,
which
unsafe
on
surface
because
highly
compressible,
volatile,
flammable.
geological
formations
could
be
potential
solution
this
problem
abundance
such
their
high
capacities.
Wettability
plays
critical
displacement
formation
water
determines
containment
safety,
capacity,
amount
trapped
(or
recovery
factor).
However,
no
comprehensive
review
article
has
been
published
explaining
wettability
conditions.
Therefore,
focuses
influence
various
parameters,
as
salinity,
temperature,
pressure,
roughness,
type,
and,
consequently,
storage.
Significant
gaps
exist
literature
understanding
effect
organic
material
capacity.
Thus,
summarizes
recent
advances
rock/H2/brine
systems
containing
reservoirs.
The
paper
also
presents
influential
parameters
affecting
capacity
including
liquid–gas
interfacial
tension,
rock–fluid
adsorption.
aims
provide
scientific
community
with
an
expert
opinion
understand
identify
solutions.
In
addition,
essential
differences
between
underground
(UHS),
natural
storage,
carbon
dioxide
are
discussed,
direction
future
research
presented.
promotes
thorough
knowledge
UHS,
provides
guidance
operating
UHS
projects,
encourages
engineers
focus
more
research,
overview
advanced
technology.
This
inspires
researchers
field
give
credit
studies.
