The Canadian Journal of Chemical Engineering,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 21, 2024
Abstract
Tight
oil
resources
are
abundant,
but
the
factors
affecting
production
capacity
complex.
In
this
paper,
focusing
on
tight
reservoirs,
three
research
works
were
conducted.
First,
using
numerical
simulation
software,
a
model
of
reservoirs
was
established.
Second,
influence
geological
parameters
such
as
porosity
and
permeability
analyzed.
Third,
rock
compression
coefficient
injection
fluid
Results
show
that:
(a)
When
is
0.05,
cumulative
in
first
6
years
highest,
while
later
stage
simulation,
with
0.1
highest.
(b)
The
higher
permeability,
greater
production.
under
different
conditions
1392.044,
2178.805,
2939.1704,
4038.0878
m
3
,
respectively.
(c)
Under
reservoir
conditions,
impact
coefficients
daily
gas
not
very
significant.
(d)
recovery
effect
optimal
when
N
2
scheme.
effectiveness
CH
4
scheme
second,
there
certain
gap
compared
to
development
plan
injecting
water
has
worst
effect.
However,
depletion
model,
by
CO
all
increased.
Energy & Fuels,
Journal Year:
2024,
Volume and Issue:
38(21), P. 19966 - 19991
Published: Oct. 24, 2024
Carbon
geo-sequestration
(CGS)
is
considered
a
mitigation
technology
for
removing
harmful
CO2
accumulations
from
the
environment
contributing
toward
low-carbon
future.
One
of
key
concerns
with
CGS
in
deep
geological
formations
to
prevent
leakage
requiring
long-term
integrity
caprock
(seal
rock),
which
affected
by
its
wettability.
This
state-of-the-art
review
explores
parameters
that
affect
seal
rock
wettability
shale–CO2–brine
systems,
such
as
pressure,
temperature,
brine
salinity,
and
CO2-aging
time.
The
sealing
efficiency
may
also
be
presence
common
shale
minerals
(i.e.,
mica,
illite,
kaolinite,
montmorillonite),
adversely
indicates
increased
pressure
generally
enhances
CO2-wetness
increases
contact
angle)
across
different
minerals,
showing
most
pronounced
shifts.
On
other
hand,
an
increase
temperature
tends
reduce
decreases
angle,
making
it
more
water-wet),
particularly
shale.
However,
effect
higher
salinity
on
had
no
clear
trend,
either
increasing,
decreasing,
or
having
effect,
depending
upon
mineral
composition.
exposure
(aging)
CO2-rich
changed
water-wet
CO2-wet,
would
capacity.
Additionally,
this
critically
analyzes
published
literature,
highlighting
discrepancies
pointing
out
areas
where
further
research
needed.
Moreover,
use
nanoparticles
surfactants
alone
mixture
was
shown
capacity
due
alteration
state.
these
ancillary
materials
synergistic
enhancing
integrity.
highlights
significance
structural
trapping
and,
thus,
containment
security.
