Laponite®—From Dispersion to Gel—Structure, Properties, and Applications
Molecules,
Год журнала:
2024,
Номер
29(12), С. 2823 - 2823
Опубликована: Июнь 13, 2024
Laponite®
(LAP)
is
an
intensively
studied
synthetic
clay
due
to
the
versatility
given
by
its
layered
structure,
which
makes
it
usable
in
various
applications.
This
review
describes
multifaceted
properties
and
applications
of
LAP
aqueous
dispersions
gel
systems.
The
first
sections
discuss
structure
interactions
between
discs
medium
under
different
conditions
(such
as
ionic
strength,
pH,
temperature,
addition
polymers)
order
understand
function
tailoring
designed
material.
Additionally,
explores
aging
phenomenon
characteristic
well
development
shake-gels
incorporating
LAP.
second
part
shows
most
recent
studies
on
materials
containing
with
possible
applicability
drilling
industry,
cosmetics
or
care
products
biomedical
fields.
By
elucidating
remarkable
ease
integration
into
matrices,
this
underscores
significance
a
key
ingredient
for
creation
next-generation
tailored
functionalities.
Язык: Английский
Acrylamide-Based Polymer/Laponite Composite as a Filtration Reducer in Water-Based Drilling Fluids
Energy & Fuels,
Год журнала:
2024,
Номер
38(12), С. 10766 - 10777
Опубликована: Июнь 6, 2024
With
deep
and
ultra-deep
drilling
engineering,
silane
coupling
agent
KH-570
was
used
to
modify
the
surface
of
nanolaponite,
acrylamide
(AM),
2-acrylamido-2-methylpropanesulfonic
acid
(AMPS),
N-vinylpyrrolidone
(NVP),
dimethyldiallylammonium
chloride
(DMDAAC)
were
selected
as
monomers.
A
new
fluid
loss
agent,
YH-1,
synthesized
by
aqueous
solution
polymerization,
copolymer
characterized
infrared
spectroscopy,
nuclear
magnetic
resonance
hydrogen
TEM,
molecular
weight
analysis,
thermal
stability
analysis.
The
results
show
that
product
is
consistent
with
structure
design
goal.
modified
nanolaponite
successfully
introduced
relatively
uniformly
distributed
in
filtrate
reducer,
distribution
wide.
After
hot
rolling
at
240
°C
for
16
h,
it
can
still
maintain
good
apparent
viscosity,
plastic
dynamic
ratio.
When
addition
amount
1.5
wt
%,
viscosity
be
maintained
40
mPa·s,
its
high-temperature
high-pressure
(HTHP)
filtration
lowest
compared
domestic
foreign
commercial
filter
reducers.
Through
particle
size
distribution,
scanning
electron
microscopy,
zeta
potential
cake
formed
after
adding
YH-1
smooth
shiny,
hydration
film
bentonite
particles
thicker.
adsorption
group
adsorbed
on
particles,
ionizes
a
large
number
negatively
charged
groups,
which
increases
thickness
particles.
enhances
plugging
effect
mud
cake,
improves
impermeability
performance.
Язык: Английский
Polymer–SiO2/Laponite Composite as a Filtrate Reducer for High-Temperature and High-Salt Drilling Fluids
ACS Applied Nano Materials,
Год журнала:
2024,
Номер
7(13), С. 15819 - 15832
Опубликована: Июнь 20, 2024
Water-based
drilling
fluids
are
prone
to
contamination
by
high
temperatures
and
salt,
resulting
in
a
deteriorated
filtration
performance
of
the
fluids,
posing
significant
threat
safety
operations.
This
study
utilized
N,N-dimethylacrylamide
(DMAA),
2-acrylamido-2-methyl-1-propanesulfonic
acid
(AMPS),
dimethyldiallylammonium
chloride
(DMDAAC),
N-vinylpyrrolidone
(NVP),
nanomaterials
(nano-SiO2
nanolaponite)
prepare
polymer
nanocomposite
NP-3
as
filtratef
reducer
for
fluids.
The
thermal
stability
evaluation
solution
revealed
that
degradation
temperature
order
different
structural
units
is
DMAA
<
AMPS
≈
DMDAAC
NVP,
resistance
220
°C.
Evaluation
fluid
demonstrated
3.5
wt
%
enabled
resist
from
15
NaCl
at
230
°C,
with
an
American
Petroleum
Institute
(API)
loss
high-temperature
high-pressure
(HTHP)
after
hot
rolling
4.2
22.0
mL,
respectively.
At
temperatures,
composite
releases
nanoparticles,
which
enhance
density
filter
cake,
allowing
adjustable
enhanced
control
under
high-salty
conditions.
Язык: Английский
Zwitterionic polymer grafted nano-SiO2 as fluid loss agent for high temperature water-based drilling fluids
Journal of Molecular Liquids,
Год журнала:
2024,
Номер
unknown, С. 126542 - 126542
Опубликована: Ноя. 1, 2024
Язык: Английский
Silane-modified hydroxyethyl cellulose / lithium magnesium silicate composite as a rheology modifier for temperature and salt resistance
Geoenergy Science and Engineering,
Год журнала:
2025,
Номер
unknown, С. 213724 - 213724
Опубликована: Янв. 1, 2025
Язык: Английский
Study on Preparation and Mechanism of High Temperature and High Salt Resistance Fluid Loss Reducer
ACS Omega,
Год журнала:
2025,
Номер
10(7), С. 7172 - 7180
Опубликована: Фев. 17, 2025
As
global
oil
and
gas
exploration
gradually
shifts
toward
deeper
ultradeep
reservoirs,
the
performance
of
fluid
loss
control
additives
in
high-temperature
high-salinity
environments
faces
significant
challenges.
In
this
study,
a
agent,
DMAPAN,
suitable
for
conditions,
was
synthesized
using
N,N-dimethylacrylamide
(NNDMA),
2-acrylamido-2-methylpropanesulfonic
acid
(AMPS),
maleic
anhydride
(MA),
N-vinylpyrrolidone
(NVP)
as
monomers
via
aqueous
solution
polymerization.
Structural
characterization
testing
showed
that
DMAPAN
exhibits
good
thermal
stability
significantly
reduces
at
230
°C.
It
also
demonstrates
excellent
resistance
to
high
temperature
salinity,
being
able
withstand
20%
NaCl
2%
CaCl2.
Mechanistic
analysis
reveals
clay
particle
size,
forms
spatial
network
structure,
enhances
Zeta
potential,
thereby
improving
drilling
reducing
loss.
This
study
provides
theoretical
support
practical
guidance
optimizing
deep-well
fluids.
Язык: Английский
Synthesis and Evaluation of High-Temperature-Resistant and Environmentally Friendly Polymer Filter Loss Additives
Polymers,
Год журнала:
2025,
Номер
17(6), С. 792 - 792
Опубликована: Март 17, 2025
In
the
process
of
oil
extraction,
drilling
fluid,
as
a
critical
operational
directly
impacts
efficiency
and
safety.
However,
under
high-temperature
high-pressure
conditions,
fluid
tends
to
experience
loss,
which
not
only
causes
environmental
pollution
but
also
increases
costs
challenges.
To
address
this
issue,
study
aimed
develop
novel
high-temperature-resistant
environmentally
friendly
polymer
loss
additive—EnSipoly-FL—designed
enhance
thermal
stability
performance
fluids.
The
copolymerization
acrylamide
(AM),
N-vinylpyrrolidone
(NVP),
acrylic
acid
(AA),
vinyltrimethoxysilane
(A-171)
was
selected
ensure
chemical
additive.
synthesis
including
initiators,
emulsifiers,
reaction
temperature,
time,
were
optimized
in
experiments.
structure
target
product
confirmed
by
infrared
spectroscopy
nuclear
magnetic
resonance
analysis.
Thermogravimetric
analysis
particle
size
demonstrated
that
possessed
excellent
appropriate
physical
dimensions.
Environmental
impact
assessments
indicated
EnSipoly-FL
exhibited
good
biodegradability
low
toxicity,
meeting
protection
standards.
Comprehensive
tests
showed
microspheres
exceptional
reduction
capabilities
friendliness
applications.
This
makes
it
promising
candidate
for
widespread
use
industry,
advancing
green
development
technology.
Язык: Английский
Synthesis and characterization of grafted nano-silica copolymerized fluid loss additive for oil well cement at ultra-high temperature of 240 °C
Construction and Building Materials,
Год журнала:
2025,
Номер
483, С. 141740 - 141740
Опубликована: Май 13, 2025
Язык: Английский
High temperature degradable pullulan microsphere/polymer composite for filtration loss control of water-based drilling fluids
Geoenergy Science and Engineering,
Год журнала:
2024,
Номер
unknown, С. 213362 - 213362
Опубликована: Сен. 1, 2024
Язык: Английский
Preparation and performance evaluation of heat resistant and salt resistant anionic fluid loss reducer for water‐based drilling fluid
Journal of Applied Polymer Science,
Год журнала:
2024,
Номер
141(44)
Опубликована: Авг. 17, 2024
Abstract
In
this
investigation,
a
new
micro‐crosslinked
anionic
polymer
resistant
to
elevated
temperature
and
high
salinity,
PKDASN,
was
synthesized
using
3‐chloropropyltriethoxysilane
(KMB703),
N,
N‐Dimethylacrylamide
(DMAM),
2‐acrylamido‐2‐methylpropanesulfonic
acid
(AMPS),
N‐vinyl
caprolactam
(NVCL),
sodium
(4‐vinyl
phenyl)methanesulfonate
(SVM)
employing
free
radical
polymerization
in
water‐based
solution.
The
structure
of
PKDASN
analyzed
Fourier‐transform
infrared
spectroscopy,
nuclear
magnetic
resonance
X‐ray
photoelectron
while
its
microstructure
scanning
electron
microscopy.
Thermogravimetric
analysis
showed
that
the
pyrolysis
above
294°C.
Adding
KMB703
enables
form
dense
stable
spatial
network.
This
intensified
network
could
interact
with
bentonite
via
intermolecular
force
Coulomb
dual
grid
structure,
which
presents
impressive
stability
control
filtration
saltwater.
is
mainly
achieved
through
creating
“silane
coupling
layer”
on
particle
surface
by
KMB703,
facilitates
crosslinking
aggregation
polymer,
thereby
reinforcing
polymer's
framework.
implies
under
high‐temperature
conditions
230°C,
3
wt%
can
improve
effectiveness
drilling
fluids
exhibit
resistance
15
NaCl
contamination.
American
Petroleum
Institute
filtration(FL
API
)
High
pressure
HTHP
values
were
4.6
23.0
mL,
respectively.
Therefore,
investigation
provides
novel
approach
utilizing
designated
silane
agent
for
advancement
loss
additives
salinity.
Язык: Английский