Energies,
Год журнала:
2023,
Номер
16(13), С. 4907 - 4907
Опубликована: Июнь 23, 2023
In
world
practice,
the
role
of
reproduction
raw
material
base
oil
production
by
implementing
modern
methods
recovery
enhancement
(thermal,
gas,
chemical,
microbiological)
on
basis
innovative
techniques
and
technologies
is
rapidly
growing
becoming
more
important.
It
concluded
that
at
present,
priority
increasing
reserves
in
development
industrial
introduction
integrated
enhanced
recovery,
which
can
provide
a
synergistic
effect
new
developed
fields.
This
article
presents
review
comparative
analysis
theoretical
practical
improving
conventional
unconventional
reservoirs.
The
paper
examines
detail
taking
into
account
factors
Considered
main
currently
used
to
develop
fields
recommendations
for
their
effective
use,
variety
external
production:
geological
structure
reservoir,
its
volume,
properties
oils.
shown
there
no
universal
method
reservoir
development,
it
must
be
chosen
after
thorough
feasibility
study
among
several
proposed
models.
When
describing
special
attention
also
paid
physical
processes
occur
as
result
applying
technology.
conclusion,
positive
negative
characteristics
presented
included
EOR
are
presented,
may
influence
choice
solutions
engineers
producers
given.
Conclusions
made
systems,
placement
operating
mode
wells
essentially
depend
volume
An
important
this
construction
model
facility.
hydrodynamic
models
based
laws,
about
sometimes
don’t
even
suspect,
authors
not
always
able
convey
real
producers.
consider
reasonable
make
logical
generalizing
conclusion
understanding
occurring
appropriate
measures
optimization
intensification
will
allow
making
possible.
Journal of CO2 Utilization,
Год журнала:
2023,
Номер
72, С. 102479 - 102479
Опубликована: Апрель 22, 2023
Supercritical
fluids
find
use
in
various
areas
oil
and
gas
production
operations
due
to
their
unique
properties.
CO2
(sc-CO2)
with
its
reduced
viscosity,
increased
diffusivity,
liquid
like
density,
is
attractive
for
enhanced
hydrocarbon
recovery,
shale
fracturing
drilling
(especially
underbalanced
condition).
Apart
from
recovery
injection
also
desirable
associated
storage
through
trapping
mechanisms.
CO2-EOR/EGR
processes
are
affected
by
coupled
geochemical,
petrophysical
geomechanical
alterations
interaction
of
sc-CO2
reservoir
rock/fluids
Along
diffusion/dispersion
the
fluid
filled
pore
spaces.
CO2-monitoring
combined
lifecycle
analysis
can
help
ensure
safety
optimize
CO2-EOR/storage
project,
considering
environment.
However,
many
technical,
financial
policy
challenges
need
be
overcome
realize
success
project
achieve
carbon
neutrality.
This
review
paper
discusses
such
challenges,
current
mitigation
practice,
gaps
future
direction
research.
holistic
would
gain
insights
into
sc-CO2-EOR/storage
mechanisms,
selection
criteria,
limitations,
optimizations
while
applying
method
unconventional
reservoirs
heterogeneity
varying
Microorganisms,
Год журнала:
2023,
Номер
11(6), С. 1541 - 1541
Опубликована: Июнь 9, 2023
Bacterial
exopolysaccharides
(EPS)
are
essential
natural
biopolymers
used
in
different
areas
including
biomedicine,
food,
cosmetic,
petroleum,
and
pharmaceuticals
also
environmental
remediation.
The
interest
them
is
primarily
due
to
their
unique
structure
properties
such
as
biocompatibility,
biodegradability,
higher
purity,
hydrophilic
nature,
anti-inflammatory,
antioxidant,
anti-cancer,
antibacterial,
immune-modulating
prebiotic
activities.
present
review
summarizes
the
current
research
progress
on
bacterial
EPSs
properties,
biological
functions,
promising
applications
various
fields
of
science,
industry,
medicine,
technology,
well
characteristics
isolation
sources
EPSs-producing
strains.
This
provides
an
overview
latest
advances
study
important
industrial
xanthan,
cellulose,
levan.
Finally,
limitations
future
directions
discussed.
Journal of Polymers and the Environment,
Год журнала:
2024,
Номер
32(11), С. 5915 - 5935
Опубликована: Июль 8, 2024
Abstract
Recently,
the
polymer-nanoparticle
combination
has
garnered
significant
interest
in
enhanced
oil
recovery
(EOR)
due
to
its
promising
experimental
results.
However,
previous
research
was
mostly
directed
at
silica,
while
alumina
and
zirconia
nanoparticles
have
gotten
least
consideration.
Unlike
works,
this
study
aims
investigate
influence
of
three
NPs:
Silica
(SiO
2
),
Alumina
(Al
O
3
Zirconia
(ZrO
)
on
hydrolyzed
polyacrylamide
(HPAM).
To
end,
nanocomposites
were
formulated:
HPAM-SiO
,
HPAM-Al
HPAM-ZrO
.
Rheological
evaluations
performed
examine
viscosity
degradation
HPAM
under
reservoir
conditions.
Furthermore,
interfacial
tension
(IFT)
oil–water
interface
wettability
studies
investigated.
Moreover,
sand-pack
flooding
incremental
recovery.
The
results
revealed
that
polymer
boosted
by
110%,
45%,
12%
for
respectively
investigation
range
temperature.
improved
73%,
48%,
salinity.
Nanocomposites
are
also
found
be
a
remarkable
agent
reducing
changing
contact
angle.
experiments
confirmed
EOR
HPAM,
8.6%,
17.4%,
15.3%,
13.6%
OOIP
respectively.
well
validated
matched
numerical
simulation.
Such
findings
work
afford
new
insights
into
reinforce
outlook
such
technique
field
scale.
Nanobubble
cavitation
presents
an
effective
method
for
the
degradation
of
polyacrylamide
(PAM)
wastewater.
However,
efficiency
bubble
energy
utilization
remains
suboptimal,
and
underlying
mechanisms
require
further
elucidation.
In
this
study,
molecular
dynamics
simulations
were
employed
to
investigate
PAM
by
modeling
various
nanobubble
configurations
spatial
arrangements.
The
results
indicate
that
collapse
nanobubbles
generates
high-velocity
jets
in
central
region,
causing
deformation
chains
is
proportional
both
impact
velocity
size.
mechanism
induces
turbulent
vortices
due
strong
shear
forces,
while
discontinuities
local
density,
velocity,
pressure
lead
formation
secondary
shock
waves.
Higher
velocities
larger
sizes
found
enhance
efficiency.
Specifically,
effects
following
induce
stretching
C–C
single
bonds
expansion
C–C–C
bond
angles
main
chain,
resulting
fragmentation
long-chain
structures
into
shorter
segments.
Notably,
undergoes
mechanical
during
process,
with
its
chemical
structure
largely
maintained
breakage
points
primarily
concentrated
region
bubble.
Additionally,
increasing
number
bubbles
does
not
necessarily
improve
Different
multi-bubble
arrangements
significantly
influence
distribution
kinetic
post-collapse.
Horizontal
arrangements,
particular,
demonstrate
enhanced
through
superposition
waves
on
chains,
thereby
maximizing
utilization.
Energy Reports,
Год журнала:
2022,
Номер
8, С. 9969 - 9996
Опубликована: Авг. 11, 2022
Enhanced
oil
recovery
(EOR)
is
used
to
retrieve
capillary
trapped
and
bypassed
in
the
reservoir.
Accordingly,
laboratory
field
applications
of
chemical
EOR
(CEOR)
methods
have
been
evaluated
with
varying
degrees
efficiency.
Nonetheless,
chemicals
tend
precipitate
harsh
reservoir
conditions,
thereby
inhibiting
efficiency
process.
Low
salinity
waterflooding
(LSWF)
another
technique
that
has
gaining
prodigious
attention
for
recovering
additional
from
due
its
sterling
properties.
However,
LSWF
a
low
especially
heavy
reservoirs.
Recently,
synergic
combination
exploited,
explored,
evaluated.
Herein,
type,
mechanism,
newly
devised
hybrid
method
reviewed.
Moreover,
application
sandstones
carbonates.
Experimental
modeling
results
revealed
yields
higher
compared
individual
method.
The
interplay
underlying
mechanisms
during
process
resulting
was
elucidated.
Finally,
gaps
research
recommendation
future
studies
were
highlighted.
Industrial & Engineering Chemistry Research,
Год журнала:
2023,
Номер
62(6), С. 2444 - 2459
Опубликована: Фев. 2, 2023
The
globally
increasing
demand
for
crude
oil
has
prompted
the
industry
to
enhance
production
from
primary,
secondary,
and
tertiary
recovery
methods
fulfill
global
requirement.
Therefore,
enhanced
(EOR)
is
expected
increase
its
importance
in
coming
years.
Because
of
limited
efficiency,
applicability,
higher
gas
thermal
injection
costs,
chemical
EOR
processes
have
been
considered
as
an
alternative
some
special
cases.
Chemical
are
accepted
widely
because
their
economic
technical
feasibility,
optimum
capital
cost.
research
novel
compounds
immense
industry.
Research
nanotechnology
petroleum
attracted
attention
among
all
past
few
This
work
focuses
on
review
previous
regarding
current
scenario
polymer
flooding,
challenges
polymeric
nanofluid
EOR,
recent
developments
characteristics
nanofluids,
prospects,
feasibility
nanofluids'
applications
EOR.
paper
also
reviews
characterization
nanofluids
such
rheology,
stability,
wettability
alteration,
interfacial
tension
reduction,
absorption
control.
It
found
a
literature
that
more
effective
considering
viscosity
modification,
stability
enhancement,
adsorption
Oil
can
be
additionally
increased
by
up
10–15%
original-oil-in-place
applying
nanofluids.
