Energy & Fuels,
Journal Year:
2024,
Volume and Issue:
38(11), P. 9923 - 9932
Published: May 14, 2024
Underground
hydrogen
storage
(UHS)
in
carbonate
reservoirs
is
a
suitable
solution
for
safe
and
efficient
recovery
during
the
cycling
process.
The
uncertainties
associated
with
potential
geochemical
reactions
between
hydrogen,
rock,
brine
may
impact
long-term
containment
of
produced
formations.
Despite
current
interest
studying
hydrogen-rock
reactions,
only
limited
work
available
literature.
In
this
study,
we
experimentally
evaluate
reactivity
rocks
to
address
gas
generation
induced
by
reactions.
Limestone
samples
are
treated
under
1500
psi
75
°C
temperature
duration
6
13
months
using
simple
reaction
cells.
Scanning
electron
microscopy
(SEM)
analysis
performed
examine
dissolution/precipitation
hydrogen.
contrast,
chromatography
(GC
analyzer)
inductively
coupled
plasma
optical
emission
spectroscopy
(ICP-OES)
conducted
detect
ion
precipitation.
experimental
results
indicate
no
significant
treatment
on
surface
morphology
pore
structure
even
after
treatment,
suggesting
that
abiotic
unlikely
occur
first
stages
UHS.
Furthermore,
presence
brine,
there
apparent
indications
occurring
calcite,
traces
any
other
gases
detected
treatment.
Besides,
solutions'
pH
remains
almost
unchanged,
minor
increase
calcium
(Ca2+)
ions
solution,
which
attributed
water,
not
promisingly
support
utilization
storage.
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
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.
Energy Reports,
Journal Year:
2022,
Volume and Issue:
8, P. 8830 - 8843
Published: July 12, 2022
Replacement
of
fossil
fuels
with
clean
hydrogen
has
been
recognized
as
the
most
feasible
approach
implementing
CO2-free
economy
globally.
However,
large-scale
storage
is
a
critical
component
value
chain
because
lightest
molecule
and
moderately
low
volumetric
energy
content.
To
achieve
successful
buoyant
at
subsurface
convenient
withdrawal
during
period
demand,
integrity
underground
rock
overlying
seal
(caprock)
must
be
assured.
Presently,
there
paucity
information
on
wettability
shale
interfacial
properties
H2/brine
system.
In
this
research,
contact
angles
shale/H2/brine
system
hydrogen/brine
tension
(IFT)
were
measured
using
Krüss
drop
shape
analyzer
(DSA
100)
50
°C
varying
pressure
(14.7–1000
psi).
A
modified
form
sessile
was
used
for
measurement,
whereas
H2-brine
IFT
through
pendant
method.
values
decreased
slightly
increasing
pressure,
ranging
between
63.68°
14.7
psia
51.29°
1000
psia.
The
Eagle-ford
moderate
total
organic
carbon
(TOC)
3.83%
attained
fully
hydrogen-wet
(contact
angle
99.9°)
intermediate-wet
condition
89.7°)
psi
200
respectively.
Likewise,
Wolf-camp
TOC
(0.30%)
weakly
water-wet
conditions,
58.8°
62.9°,
maximum
height
that
can
securely
trapped
by
approximately
325
meters
merely
100
shale.
Results
study
will
aid
in
assessment
capacity
organic-rich
(adsorption
trapping),
well
evaluation
sealing
potentials
storage.
Earth-Science Reviews,
Journal Year:
2023,
Volume and Issue:
247, P. 104625 - 104625
Published: Nov. 22, 2023
The
transition
from
fossil
fuels
to
renewable
energy
sources,
particularly
hydrogen,
has
emerged
as
a
central
strategy
for
decarbonization
and
the
pursuit
of
net-zero
carbon
emissions.
Meeting
demand
large-scale
hydrogen
storage,
crucial
component
supply
chain,
led
exploration
underground
storage
an
economically
viable
solution
global
needs.
In
contrast
other
subsurface
options
such
salt
caverns
aquifers,
which
are
geographically
limited,
depleted
gas
reservoirs
have
garnered
increasing
attention
due
their
broader
distribution
higher
capacity.
However,
safe
cycling
in
require
preservation
high
stability
integrity
caprock,
reservoir,
wellbore.
Nevertheless,
there
exists
significant
gap
current
research
concerning
within
reservoirs,
systematic
approach
is
lacking.
This
paper
aims
address
this
by
reviewing
primary
challenges
associated
with
integrity,
including
geochemical
reactions,
microbial
activities,
faults
fractures,
perspectives
on
cycling.
study
comprehensively
reviews
processes
impacts,
abiotic
biotic
mineral
dissolution/precipitation,
reactivation
propagation
fractures
caprock
host-rock,
wellbore
instability
cement
degradation
casing
corrosion,
stress
changes
during
To
provide
practical
solution,
technical
screening
tool
been
developed,
considering
controlling
variables,
risks,
consequences
affecting
integrity.
Finally,
highlights
knowledge
gaps
suggests
feasible
methods
pathways
mitigate
these
facilitating
development
reservoirs.
