Underground
hydrogen
storage
will
be
essential
to
enabling
a
economy,
given
the
need
store
very
large
gas
volumes
safely
and
cost-effectively.
This
work
focuses
on
challenge
of
identifying
screening
candidate
systems,
unique
behavior
in
subsurface.
Here,
we
describe
resource
assessment
methodology
apply
it
Alaska's
Cook
Inlet
region.
Alaska
provides
an
interesting
case
study
because
its
abundant
renewable
energy
resources,
relatively
low
demand,
isolated
electrical
grid.
The
framework
considers
each
site's
ability
1)
specific
volume,
2)
physically-contain
stored
gas,
3)
limit
biogeochemical
activity.
We
estimate
that
reservoirs
area
could
theoretically
total
286
TWh
(or
8.6
million
tonnes
[Mt])
working
92
pools.
is
likely
sufficient
meet
both
local
demand
support
array
exportable
products.
further
identify
seven
pools
may
especially
well
suited
for
sites.
Broadly,
this
demonstrates
regional
assessments.
On
finer
scale,
enables
next
steps
underground
–
i.e.
reservoir-specific
characterization
development
proceed
area.
With
its
abundant
renewable
energy
resources,
relatively
low
demand,
and
isolated
electrical
grid,
Alaska's
Cook
Inlet
area
could
greatly
benefit
from
a
hydrogen
(H2)
economy
supported
by
large-scale
underground
storage.
In
this
work,
we
estimate
the
volume
of
H2
that
be
locally
stored
in
depleted
hydrocarbon
reservoirs
using
static,
produced
gas
method.
We
find
theoretically
store
total
286
TWh
(8.6
million
tonnes
[Mt])
working
109
pools.
Further,
develop
an
assessment
framework
for
storage
considers
each
site's
ability
to
1)
specific
volume,
2)
physically-contain
gas,
3)
limit
biogeochemical
activity.
By
applying
our
study
area,
identify
seven
pools
may
especially
well-suited
sites.
Broadly,
work
demonstrates
regional
resource
assessments.
On
finer
scale,
enables
next
steps
-
site
characterization
development
proceed
Inlet,
Alaska.
Keywords:
hydrogen,
storage,
reservoir
engineering
Underground
hydrogen
storage
will
be
essential
to
enabling
a
economy,
given
the
need
store
very
large
gas
volumes
safely
and
cost-effectively.
This
work
focuses
on
challenge
of
identifying
screening
candidate
systems,
unique
behavior
in
subsurface.
Here,
we
describe
resource
assessment
methodology
apply
it
Alaska's
Cook
Inlet
region.
Alaska
provides
an
interesting
case
study
because
its
abundant
renewable
energy
resources,
relatively
low
demand,
isolated
electrical
grid.
The
framework
considers
each
site's
ability
1)
specific
volume,
2)
physically-contain
stored
gas,
3)
limit
biogeochemical
activity.
We
estimate
that
reservoirs
area
could
theoretically
total
286
TWh
(or
8.6
million
tonnes
[Mt])
working
92
pools.
is
likely
sufficient
meet
both
local
demand
support
array
exportable
products.
further
identify
seven
pools
may
especially
well
suited
for
sites.
Broadly,
this
demonstrates
regional
assessments.
On
finer
scale,
enables
next
steps
underground
–
i.e.
reservoir-specific
characterization
development
proceed
area.
