ACS Omega,
Journal Year:
2024,
Volume and Issue:
9(28), P. 30859 - 30872
Published: July 3, 2024
Adhesion
is
an
intrinsic
property
of
rocks
and
liquids.
Investigating
the
factors
contributing
to
its
formation
mechanisms
governing
action
crucial
for
elucidating
adhesion
work
between
solids
The
work,
serving
as
a
parameter
that
characterizes
energy
changes
during
solid–liquid
contact
process,
vital
tool
probing
this
phenomenon.
However,
conventional
measurements
are
significantly
influenced
by
surface
roughness
fail
differentiate
local
variations
in
performance.
This
limitation
obscures
our
understanding
primary
adsorption
sites
liquids,
posing
significant
challenges
study
rock
properties.
In
study,
conjunction
with
scanning
electron
microscopy
angle
analyses,
we
elucidated
first
time
locations
where
voids
form
lithological
composition
rough
areas,
their
impact
on
water/oil
surfaces.
Additionally,
employing
atomic
force
(AFM),
examined
water/oil–solid
across
different
characteristic
regions,
thereby
characterizing
overall
hydrophilic/hydrophobic
properties
core.
Specific
conclusions
follows:
(1)
A
negative
correlation
exists
heterogeneity
impeding
liquid-rock
contact;
(2)
By
comparing
strength
water–solid/oil–solid
within
localized
delineated
characteristics
samples
generation
sites,
oil–solid
target
blocks
predominantly
originating
from
quartz,
clay
minerals,
organic
matter;
(3)
influence
pore
throat
development
was
clarified,
demonstrating
increase
proportion
internal
pores
enhances
work;
(4)
dimensionless
wetting
index
I
established
mitigate
expression
exhibiting
strong
traditional
evaluation
methods.
Processes,
Journal Year:
2025,
Volume and Issue:
13(1), P. 71 - 71
Published: Jan. 1, 2025
The
fracture-cavity
carbonate
reservoir
in
Tahe
oilfield
is
buried
deep
(more
than
5000
m).
has
low
permeability,
strong
heterogeneity,
large
size,
diverse
forms
of
connectivity,
and
complex
spatial
distribution.
In
conventional
water
flooding,
it
difficult
to
improve
oil
recovery
effectively
because
small
flood
sweep
injection
pressure.
Pressure
flooding
a
new
technique
that
can
change
the
pore
space.
Combined
with
an
displacement
agent,
pressure
expected
rate
reservoirs.
this
paper,
influence
factors
technology
are
studied,
set
surfactant
systems
suitable
for
high-temperature
high-salt
reservoirs
developed.
results
show
only
appropriate
flow
produce
microfractures.
Only
optimize
effects
flooding.
With
increase
crude
viscosity,
after
decreases
gradually.
A
fracture
network
formed
system
good
interfacial
tension
reduction
properties
excellent
stability.
experiments
addition
showed
help
SPE Journal,
Journal Year:
2024,
Volume and Issue:
29(09), P. 5071 - 5086
Published: June 28, 2024
Summary
The
change
in
wettability
of
limestone
reservoirs
from
oil-wet
toward
gas-wet
can
enhance
crude
oil
production
during
immiscible
CO2
injection.
Therefore,
this
research,
we
investigated
the
impact
alteration
to
CO2-wet
on
recovery
factor
via
dissolution
fluorine-free,
CO2-philic,
nonionic
surfactants
such
as
C4(PO)6
and
C41H83O19
CO2.
Based
cloudpoint
measurements,
pressures
supercritical
ranged
between
2,100
psi
2,700
(below
reservoir
pressure,
i.e.,
3,000
psi)
at
temperature,
65°C;
these
are
commensurate
with
CO2-enhanced
(EOR)
pressures.
Also,
reduce
CO2-oil
interfacial
tension
(IFT).
Moreover,
CO2/C4(PO)6
solutions
strongly
(Θ
~
20o)
intermediate
CO2/oil-wet
=
95o
110o)
conditions.
relative
permeability
curves
also
confirmed
it
by
changing
curvature
left
decreasing
residual
saturation
both
cases
solutions.
20.8%
13.1%
additional
recoveries
were
achieved
30,000
ppm
solution
scenarios,
respectively,
pure
injection
scenario.
These
not
able
make
CO2-in-oil
foam;
therefore,
perhaps
IFT
reduction
dominant
mechanisms
EOR
induced
CO2,
instead
mobility
control.
Consequently,
oxygenated,
(such
C41H83O19)
concentration
be
a
well-qualified
candidate
for
altering
CO2-oil-wet
Energy & Fuels,
Journal Year:
2024,
Volume and Issue:
38(5), P. 3586 - 3597
Published: Feb. 19, 2024
Waterflooding
for
enhanced
oil
recovery
(EOR)
is
described
by
a
multiphase
system
consisting
of
oil,
the
hosting
rock
reservoir
matrix,
and
an
invading
fluid
(IF)
that
injected
into
to
displace
residual
oil.
Wettability
one
unique
physicochemical
properties
this
known
influence
displacement
IF
affect
recovery.
Tuning
chemistry,
such
as
through
low
salinity
waterflooding,
has
been
shown
alter
wettability
media
increased
For
carbonate
reservoirs,
specifically,
reports
alteration
with
changes
in
chemistry
have
inconsistent,
role
divalent
potential-determining
ions
altering
debated.
The
lack
understanding
how
alters
reservoirs
limits
field-scale
predictions
EOR
effectiveness.
This
research
systematically
evaluated
interactions
different
compositions
model
oil-wet
correlated
these
patterns
observed
during
waterflooding
granular
Hele-Shaw
cell.
Fluid
stability
was
quantified
fractal
dimension
displaced
area,
which
compared
across
time
length
scales
using
effective
capillary
number.
Results
show
dissolved
calcium
specifically
interact
surfaces
reduce
magnitude
negative
surface
charge
wettability,
resulting
more
stable
waterflooding.
findings
improve
fundamental
implications
design
IFs
reservoirs.
Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: July 6, 2024
The
global
concern
over
heavy
metal
pollution
necessitates
urgent
measures
to
safeguard
human
health
and
the
environment.
This
study
focuses
on
employing
triethylenetetramine
(TETA)-functionalized
MIP-206-OH
(TMIP-206)
as
an
effective
adsorbent
for
removing
Pb(II)
from
wastewater.
TMIP-206
was
synthesized
via
a
hydrothermal
method
followed
by
functionalization
with
TETA.
Kinetic
studies
demonstrate
that
lead
removal
conforms
pseudo-second-order
model,
indicating
efficient
process.
Experimental
results
reveal
aligns
Langmuir
isotherm,
exhibiting
maximum
capacity
of
267.15
mg/g
ions.
sorption
efficiency
Pb
ions
remains
stable
across
six
cycles,
reduction
less
than
15%.
Optimal
adsorption
performance
is
observed
at
pH
6.
These
findings
underscore
potential
alternative
adsorbing
aqueous
environments,
addressing
challenge
pollution.
Future
research
should
explore
scalability
long-term
stability
TMIP-206-based
adsorbents
enhance
their
practical
applicability
in
diverse
environmental
contexts
contribute
broader
strategies
mitigating
contamination.
