Study of the mechanism of corrosion initiation and development in the elbow of a desulfurization unit
Engineering Failure Analysis,
Journal Year:
2023,
Volume and Issue:
150, P. 107341 - 107341
Published: May 19, 2023
Language: Английский
Failure analysis of erosion wear of the pipeline after 30° elbow by adsorbent particles
Engineering Failure Analysis,
Journal Year:
2024,
Volume and Issue:
unknown, P. 108883 - 108883
Published: Sept. 1, 2024
Language: Английский
Numerical prediction of erosion damage in sandy foam extraction fluid of gas extraction pipeline
Published: May 13, 2024
Gas
extraction
wellbore
and
surface
pipelines
are
prone
to
wall
thinning,
puncture
leakage,
fracture
under
the
erosion
of
sandy
fluid,
which
seriously
affects
safety
gas
extraction.
In
this
paper,
using
discrete
numerical
method
particle-containing
multiphase
flow,
we
establish
an
damage
prediction
model
a
pipeline
calculate
rate
different
production
rates
for
oil
at
wellhead
wells,
elbow
on
surface,
get
amount
damage.
The
calculation
results
reflect
ground
with
thinning
amount,
local
bending
rate,
formation
distribution
values.
can
provide
reference
controlling
flow
wells
evaluating
conditions.
Language: Английский
Research on the Influence of Changes in Slip Structure on the Residual Strength of Casing
Journal of Failure Analysis and Prevention,
Journal Year:
2024,
Volume and Issue:
24(4), P. 1674 - 1688
Published: May 28, 2024
Language: Английский
Study on Erosion Model Optimization and Damage Law of Coiled Tubing
Energies,
Journal Year:
2023,
Volume and Issue:
16(6), P. 2775 - 2775
Published: March 16, 2023
Coiled
tubing
(CT)
is
used
as
a
velocity
string
to
transport
high-velocity
gas
in
drainage
recovery
technology.
Sand
particles
flowing
at
high
speed
can
cause
serious
erosion
of
the
pipe
wall.
Long-term
wear
leads
degradation
strength
and
even
local
perforation.
In
order
study
problem
CT,
gas–solid
experimental
device
was
established
for
full-size
with
different
radii
curvature.
A
3D
laser
confocal
technique
examine
characterize
microscopic
morphology
inner
wall
CT.
The
CFD
model
selected
based
on
test
data
results
Finnie
show
minimal
error
good
agreement
compared
other
models.
average
value
maximum
rate
curvature
8.3%.
effect
radius
curvature,
solid
particle
size
CT
analyzed
model.
reveal
that
occurs
CT’s
outer
bend.
As
reduced,
area
increase,
position
gradually
shifts
toward
inlet.
positively
correlated
flow
rate.
However,
increases,
shows
trend
first
increasing,
then
decreasing
finally
stabilizing,
critical
200
μm.
This
provide
theoretical
guidance
methods
improving
service
life
old
wells
be
reduced
by
controlling
production
employing
appropriate
sand
control
methods,
while
new
adjusting
wellbore
trajectory.
Language: Английский
Prediction of Coiled Tubing Erosion Rate Based on Sparrow Search Algorithm Back-Propagation Neural Network Model
Yinping Cao,
No information about this author
Fengying Fang,
No information about this author
Guowei Wang
No information about this author
et al.
Applied Sciences,
Journal Year:
2024,
Volume and Issue:
14(20), P. 9519 - 9519
Published: Oct. 18, 2024
Coiled
tubing
has
been
widely
used
in
oilfield
development
because
it
can
significantly
improve
oil
well
productivity
and
recovery
efficiency.
However,
with
the
increase
fracturing,
drilling,
sand-washing
operations,
erosion
of
coiled
walls
caused
by
solid
particles
become
one
main
failure
modes.
To
accurately
predict
rate
tubing,
this
study
studied
influence
law
through
experiments,
screened
influencing
factors
grey
relational
analysis
(GRA),
established
a
back-propagation
neural
network
(BPNN)
model
optimized
sparrow
search
algorithm
(SSA)
to
rate.
The
results
show
that
for
are
impact
velocity,
angle,
sand
concentration.
In
addition,
SSA-BPNN
shows
high
goodness
fit
(R)
good
experimental
data.
underwent
standard
statistical
validation
tests,
effectively
predicting
coefficient
determination
low
errors,
demonstrating
robust
consistency
between
predicted
actual
values.
This
is
great
significance
engineers,
pipeline
designers,
developers,
provides
effective
support
optimizing
maintenance.
users
include
companies,
engineering
consulting
institutions
related
industry
personnel,
may
also
attract
interest
scientific
research
academia,
providing
useful
reference
technological
progress
industry.
Language: Английский