In
order
to
accurately
predict
the
injection
and
production
gas
flow
rate
wellhead
pressure
for
compressed
air
energy
storage
in
salt
cavern,
a
coupled
prediction
model
of
based
on
pipe
theory
was
established
this
paper.
And,
high-precision
high-speed
iterative
solution
algorithm
proposed
achieve
accurate
rapid
rate,
pressure,
total
loss.
Furthermore,
influences
factors
such
as
cavity
connectivity,
number
cavities,
depth
wells,
columns,
size
medium
loss
were
discussed.
The
research
results
indicate
that:
①
There
are
good
stability,
fast
convergence
speed,
consistency
between
predicted
on-site
measured
data
model.
②
Under
condition
that
is
connected,
will
be
evenly
distributed
each
well,
well
consistent.
not
wells
with
higher
have
greater
③
With
increase
chambers,
decrease
chamber
depth,
single
tube
decreases.
However,
changes
only
influenced
by
various
factors,
but
also
closely
related
operating
conditions.
④
When
other
conditions
remain
unchanged,
gases
lower
relative
molecular
weight
(such
hydrogen
helium)
during
process.
impact
relatively
small.
can
provide
theoretical
guidance
reasonable
allocation
cavern.
It
help
ensure
safe
efficient
operation
cavern
China.
Earth-Science Reviews,
Journal Year:
2023,
Volume and Issue:
247, P. 104599 - 104599
Published: Oct. 23, 2023
Hydrogen
is
expected
to
play
a
key
role
in
the
future
as
clean
energy
source
that
can
mitigate
global
warming.
It
also
contribute
significantly
reducing
imbalance
between
supply
and
demand
posed
by
deploying
renewable
energy.
However,
infrastructure
not
ready
for
direct
use
of
hydrogen,
large-scale
storage
facilities
are
needed
store
excess
hydrogen
production.
Geological
formations,
particularly
salt
caverns,
seem
be
practical
option
this
there
already
good
experience
storing
hydrocarbons
caverns
worldwide.
Salt
known
ductile,
impermeable,
inert
natural
gas.
Some
cases
United
States,
Kingdom,
Germany
reinforce
idea
could
viable
underground
especially
when
challenges
uncertainties
associated
with
porous
media
considered.
cavern
construction
management
challenging
deposits
completely
pure
mixed
non-soluble
strata.
This
review
summarises
suggests
some
potential
mitigation
strategies
linked
geomechanical
geochemical
interactions.
The
Zechstein
group
Northern
Europe
seems
feasible
geological
site
but
effect
impurity
at
deep
offshore
sites
such
Norwegian
North
Sea
should
carefully
analysed.
appears
mechanical
integrity,
reactions,
loss
halophilic
bacteria,
leaching
issues,
diffusion
among
major
issues
internal
structure
pure.
Energies,
Journal Year:
2024,
Volume and Issue:
17(14), P. 3586 - 3586
Published: July 21, 2024
Underground
hydrogen
storage
(UHS)
in
salt
caverns
is
a
sustainable
energy
solution
to
reduce
global
warming.
Salt
rocks
provide
an
exceptional
insulator
store
natural
hydrogen,
as
they
have
low
porosity
and
permeability.
Nevertheless,
the
creeping
nature
hydrogen-induced
impact
on
operational
infrastructure
threaten
integrity
of
injection/production
wells.
Furthermore,
scarcity
UHS
initiatives
indicates
that
investigations
well
remain
insufficient.
This
study
strives
profoundly
detect
research
gap
imperative
considerations
for
preservation
projects.
The
integrates
critical
characteristics,
geomechanical
geochemical
risks,
necessary
measurements
maintain
integrity.
casing
mechanical
failure
was
found
most
challenging
threat.
corrosive
erosive
effects
atoms
cement
may
critically
put
at
risk.
also
indicated
simultaneous
temperature
creep
behavior
corrosion
unexplored
area
has
scope
further
research.
inclusive
up-to-date
source
analysis
previous
advancements,
current
shortcomings,
future
requirements
preserve
implemented
within
caverns.
International Journal of Hydrogen Energy,
Journal Year:
2024,
Volume and Issue:
81, P. 1073 - 1090
Published: July 27, 2024
The
viability
of
hydrogen
storage
in
bedded
salt
caverns
hinges
on
understanding
the
geomechanical
challenges
posed
by
anisotropic
stress
states
and
complex
geology
such
environments.
This
study
presents
a
comprehensive
analysis
focusing
proposed
cavern
within
Carribuddy
Formation
Western
Australia,
characterized
its
interbedded
layers.
paper
introduces
new
workflow,
encompassing
1D
3D
modeling
techniques
to
provide
detailed
changes
mechanical
properties
state
formation
allowing
identify
initial
optimal
operational
pressures
for
underground
storage.
Initial
models
evaluated
in-situ
stresses,
while
subsequent
simulations,
enriched
data
from
neighboring
wells,
stress,
strain,
displacement
responses
walls
internal
pressure
changes.
pinpointed
an
safe
gas
range
between
3000
4000
psi,
attributing
this
margin
robust
characterization
formation.
Our
findings
underscore
significance
high-resolution
identifying
caverns,
ensuring
both
safety
structural
integrity.
