SPE Annual Technical Conference and Exhibition,
Journal Year:
2024,
Volume and Issue:
139
Published: Sept. 20, 2024
Abstract
Caprock
integrity
is
a
critical
factor
in
geological
carbon
storage
(GCS)
and
hydrogen
(GHS),
as
it
ensures
containment
assurance,
environmental
safety
considerations,
efficiency,
risk
mitigation,
long-term
viability,
public
regulatory
confidence,
economic
informed
decision-making.
can
break
mechanically
by
radial
cracking,
plastic
deformation,
inner
outrebounding,
channeling.
Understanding
these
failure
mechanisms
crucial,
but
traditional
deformation
tracking
methods
have
limitations.
To
address
this
gap,
study
utilizes
three-dimensional
digital
image
correlation
(3D-DIC)
to
investigate
the
of
caprock
specimens
from
GCS
GHS,
thereby
ensuring
their
integrity.
samples
were
compressed
diametrically
using
precision
100
kN
electromechanical
load
frame
moving
at
0.05
mm/min.
There
variety
minerals
that
examined.
During
diametrical
compression
testing,
3D-DIC
system
was
set
up
monitor
without
touching
them
rate
10
frames
per
second.
A
black-and-white
speckle
pattern
applied
specimen
its
under
stress.
The
used
process,
visualize,
analyze
sample
damage
varied
conditions.
load-strain
relationship
established
integrating
several
factors:
1)
DIC-generated
horizontal,
vertical,
shear
strain
maps,
providing
insight
into
sequence
development
fracture
occurrences
attributed
pre-existing
or
natural
fractures,
anisotropy,
heterogeneity,
laminations,
faults,
cracks,
2)
results
demonstrated
4-stage
evolution
process:
initial,
linear
elastic,
elastic-plastic,
damage.
3)
Additionally,
illustrated
process
samples,
yielding
tension
within
±0.05%,
±0.001%,
tension-compression
ratio
ranging
1%
5%.
4)
three
patterns
observed
tested
specimens,
including
central,
deviated
center,
mixed
modes
due
tension,
compression,
shear.
Injecting
H2
CO2
formation
lead
increased
pore
pressure
projects.
Geomechanical
risks
such
instability,
fault
slip,
occur
throughout
project's
lifespan.
no
perfect
methodology
covers
all
problems
research.
This
focuses
on
predicting
non-contact
optical
methods,
with
being
more
effective
terms
test
range,
affordability,
accuracy,
full-field
monitoring.
image-based
algorithm
better
understanding
anisotropic
heterogeneous
conditions,
enhancing
inspection
underground
Energies,
Journal Year:
2025,
Volume and Issue:
18(7), P. 1845 - 1845
Published: April 5, 2025
This
article
presents
the
findings
of
a
bibliometric
analysis
scientific
publications
in
journals
and
materials
indexed
SCOPUS
Web
Science
databases,
covering
broad
topic
underground
hydrogen
storage
(UHS).
The
use
VOSviewer
software
for
keyword
enabled
identification
four
key
research
areas
related
to
UHS.
These
include
hydrocarbon
reservoir
engineering;
economy
energy
transformation;
processes
sites,
including
lessons
from
CO2
sequestration;
geology,
engineering,
geomechanics
gas
storage.
interdisciplinary
nature
UHS
emphasises
synergy
across
diverse
fields.
A
bibliographic
allowed
intensive
new
directions
work
UHS,
centres,
dynamics
development
topics
study
revealed
chronological
dispersion
results,
their
geographical
institutional
variability,
varying
contributions
major
publishing
journals.
methodology
used
can
serve
as
an
inspiration
other
researchers.
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
Energies,
Journal Year:
2025,
Volume and Issue:
18(5), P. 1044 - 1044
Published: Feb. 21, 2025
This
paper
provides
a
systematic
visualization
of
the
development,
current
status
and
challenges
salt
cavern
hydrogen
storage
technology
based
on
relevant
literature
from
past
five
years
in
Web
Science
Core
Collection
database.
Using
VOSviewer
(version
1.6.20)
CiteSpace
software
(advanced
version
6.3.R3),
this
study
analyzes
field
knowledge
mapping
perspective.
The
findings
reveal
that
global
research
hotspots
are
primarily
focused
multi-energy
collaboration,
integration
renewable
energy
systems
exploration
commercialization,
highlighting
essential
role
driving
transition
promoting
sustainable
development.
In
China,
mainly
concentrates
theoretical
innovations
technological
optimizations
to
address
complex
geological
conditions.
Despite
rapid
growth
number
Chinese
publications,
unresolved
remain,
such
as
complexity
layered
rock,
thermodynamic
coupling
effects
during
high-frequency
injection
extraction,
well
issues
concerning
permeability
microbial
activity.
Moving
forward,
China’s
should
focus
strengthening
engineering
practices
suited
local
conditions
enhancing
application
intelligent
technologies,
thereby
facilitating
translation
into
practical
applications.
