Improving wettability estimation in carbonate formation using machine learning algorithms: Implications for underground hydrogen storage applications
International Journal of Hydrogen Energy,
Год журнала:
2025,
Номер
111, С. 781 - 797
Опубликована: Фев. 27, 2025
Язык: Английский
Atomistic simulation of dilute hydrogen in water-saturated kaolinite nanopores: Implications for underground hydrogen storage
International Journal of Hydrogen Energy,
Год журнала:
2025,
Номер
109, С. 1358 - 1371
Опубликована: Фев. 18, 2025
Язык: Английский
Underground hydrogen storage in geological formations: A review
Journal of Rock Mechanics and Geotechnical Engineering,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 1, 2025
Язык: Английский
Roles of kaolinite-oil-gas molecular interactions in hydrogen storage within depleted reservoirs
Chemical Engineering Journal,
Год журнала:
2024,
Номер
unknown, С. 156452 - 156452
Опубликована: Окт. 1, 2024
Язык: Английский
Effects of methyl orange on the H2/brine wettability of carbonate rocks: Implications for H2 geo-storage
Journal of Energy Storage,
Год журнала:
2024,
Номер
102, С. 114076 - 114076
Опубликована: Окт. 16, 2024
Язык: Английский
Hydrogen-Induced Transformations in Dolomite: Unlocking Natural Hydrogen Exploration and Subsurface Storage in Carbonates
Energy & Fuels,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 21, 2025
Язык: Английский
Review and Perspectives on Enhancing the Hydrogen (H2) Storage Capacity and Stability in Geological Formations via Nanoparticle-Assisted Surfactant/Polymer Formulations
Energy & Fuels,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 22, 2025
Язык: Английский
Effect of Methyl Orange and Methylene Blue on the Wettability of Organic Acid Aged Sandstone and Carbonate Formations: Implication for CO2 and H2 Geo-Storage.
Alhammad Fatemah,
Ali. Mujahid,
Iglauer Stefan
и другие.
Опубликована: Окт. 11, 2024
Abstract
Underground
storage
of
carbon
dioxide
(CO2)
and
hydrogen
(H2)
in
geological
formations
has
been
considered
an
effective
method
for
the
energy
transition
towards
a
low-carbon
industry.
The
wettability
rock
is
significant
parameter
underground
gas
storage,
determining
both
capacity
containment
safety.
This
study
focuses
on
using
two
chemicals,
methyl
orange
(MO)
methylene
blue
(MB),
as
wetting
agents
at
different
concentrations
(10
to
100
mg/L)
change
improve
CO2
H2.
To
achieve
this,
contact
angle
measurement
technique
was
utilised
measure
advancing
(θa)
receding
(θr)
angles
under
reservoir
conditions,
with
constant
pressure
13
MPa
system
20
system,
temperatures
25°C
50°C,
brine
salinity
0.3
M
NaCl.
mimic
surfaces
calcite
quartz
samples
were
treated
stearic
acid
before
being
exposed
agent
chemicals.
Although
these
are
hydrophobic,
modifying
their
even
very
trace
concentration
MO
or
MB
significantly
alters
from
hydrophobic
hydrophilic.
demonstrates
that
presence
organic
acids
can
affect
H2
rock.
However,
injecting
diluted
amount
into
sandstone
carbonate
increase
capacity.
Язык: Английский
Influence of Chitosan Salt on Capillary Pressure and Interfacial Tensions of CO2/Brine and H2/Brine Systems
Energy & Fuels,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 4, 2024
There
is
increasing
interest
in
attainment
of
a
CO2-free
global
economy
and
net
zero
carbon
emissions
by
2050
to
mitigate
the
negative
impact
warming
unfavorable
climate
change.
However,
success
large-scale
underground
H2
CO2
storage
depends
on
rock
wetting
behavior
dynamics
gas/brine
interfacial
tension
(IFT),
which
significantly
influences
capillary
pressure.
Previous
studies
have
demonstrated
that
wettability
can
be
altered
into
hydrophilic
state
using
surface-active
chemicals
such
as
surfactants,
nanoparticles,
methyl
orange,
blue.
these
also
showed
higher
propensity
reduce
IFT,
for
residual
structural
trapping
potential
host
rock.
Herein,
limestone
modification
capacity
polymeric
surfactant
(chitosan
salt)
its
impacts
CO2/brine
H2/brine
IFT
were
evaluated
pendant
drop
technique
pressure
measurement.
Results
shifted
right
presence
chitosan
salt
solutions,
indicating
reduction
needed
push
water
pore
spaces
This
effect
increased
with
concentrations
solution
from
100
1000
ppm.
Specifically,
at
200
psi,
saturation
seawater-saturated
cores
about
50
70%
whereas
deionized
water-saturated
25
40%
ppm
concentration.
The
CO2/water
interface
H2/water
no
significant
effects
tension.
Moreover,
adsorption
DI
seawater
molecules
was
salt,
suggesting
promotes
adhesion
H2O
but
discourages
Our
results
generally
modify
hydrophobic
rocks,
turning
them
wet
while
mitigating
could
increase
Hence,
geo-storage
rocks
promising
strategy
derisking
optimizing
formations.
Язык: Английский