The Journal of Physical Chemistry C,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 18, 2024
Waterflooding
in
tight
reservoirs
is
a
key
focus
the
recent
oilfield
development,
making
it
essential
to
accurately
assess
injection
rate
effect
sandstone.
This
study
investigates
relationship
between
and
residual
liquid
film
(water
oil
film)
thickness,
as
well
underlying
mechanisms,
by
conducting
oil-driven
water
experiments
combined
with
molecular
dynamics
simulations.
The
morphology
of
formed
under
different
rates
serves
primary
this
research.
experimental
results
indicate
that
increases,
volume
stagnant
bound
gradually
decreases
stabilizes.
Molecular
simulations
reveal
displacement
process
can
be
categorized
into
three
stages:
rapid
stage,
slow
smooth
stage.
In
system,
thickness
final
more
uniform.
As
recovery
decreases.
However,
once
reaches
certain
threshold,
decline
slows
down.
provides
theoretical
foundation
reference
data
for
selecting
optimal
waterflooding
operations
reservoirs,
contributing
improved
velocity.
Advanced Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 3, 2025
Abstract
Non‐iridescent
photonic
glass
pigments
of
block
copolymers
show
great
potential
for
sustainable
structural
coloration.
However,
the
ability
to
create
accurate
RGB
color
mixtures
real‐world
applications
is
limited
by
prevalent
use
non‐degradable,
fossil
oil‐derived
components
and
difficulty
in
achieving
pure
red
hues.
This
work
presents
an
alternative
strategy
more
coloration
fabricating
composite
through
controlled
self‐assembly
water,
vegetable
oil,
biodegradable
bottlebrush
(BBCPs)
a
complex
emulsion
system.
The
obtained
balls
feature
unprecedented
multicompartment
structures
characterized
short‐range
ordered
assembly
water
nanodroplets
stabilized
BBCPs,
along
with
oil
droplets
these
nanodroplets,
which
substantially
enhances
resistance
Ostwald
ripening.
Furthermore,
new
model
introduced
eliminate
disordered
scattering,
successfully
creating
overcoming
long‐standing
limitation
versatile
chromatic
engineering.
ACS Omega,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 23, 2025
The
failure
of
the
temperature
threshold
and
pipeline
blockage
in
low-temperature
gathering
transportation
produced
fluids
from
high-water-cut
oil
wells
can
easily
lead
to
safety
accidents.
key
mechanisms
are
hysteresis
interface
evolution
blockage.
In
present
study,
we
employ
computational
fluid
dynamics
(CFD)
investigate
multifield
coupling
effects
nonisothermal,
non-Newtonian
oil/water
two-phase
flows.
mechanism
traditional
measurement
methods
based
on
synergistic
effect
flow
field
is
proposed.
addition,
distribution
characteristics
outlet
oil-water
interface,
composition
stratified
base
under
conditions
elucidated.
According
linear
stability
analysis,
instability
slug
formation
have
been
further
global
resistance
analysis
shows
that
local
region
most
significant.
Analysis
forces,
energy
dissipation,
generation
parameters
reveals
insufficient
shear
force
a
sustained
increase
pressure
drop,
thereby
driving
phase
transport.
On
contrary,
transfer
mainly
achieved
through
viscoplastic
dissipation
waves
regions,
promoting
This
study
systematically
clarifies
surge
by
combining
experiments
with
numerical
simulations,
uncovering
previously
unrecognized
multiphase
instabilities
transportation.
