Journal of Physics Conference Series,
Journal Year:
2023,
Volume and Issue:
2499(1), P. 012015 - 012015
Published: May 1, 2023
Abstract
The
wall
thickness
of
the
sewage
pipeline
on
a
shale
gas
platform
is
seriously
reduced.
In
order
to
explore
specific
reasons
for
failure,
this
paper
carried
out
analysis
by
means
macroscopic
inspection,
mechanical
property
test,
chemical
composition
base
metal
and
corrosion
product
analysis.
results
show
that
site
corroded
most
at
5
o
′clock
12
near
outlet,
liquid
accumulation
containing
CO
2
main
reason
serious
failure
inner
pipeline.
This
explores
platform,
provides
reference
prevention
Proceedings of the Institution of Mechanical Engineers Part M Journal of Engineering for the Maritime Environment,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Jan. 26, 2024
Underwater
launchers
are
typically
employed
for
the
deployment
of
pigging
robots
in
subsea
pipelines
purposes
cleaning
and
inspection.
Throughout
launching
process,
challenges
related
to
vibration,
damage,
other
issues
must
be
addressed
resolved.
In
this
study,
process
robot
is
numerically
simulated
using
Abaqus
2020.
Utilising
Coupled
Eulerian-Lagrangian
(CEL)
method,
Fluid-Structure-Interaction
(FSI)
model
was
constructed.
And
variation
parameters
such
as
velocity,
friction
force
tilt
angle
at
different
inlet
flow
rates
were
analysed.
The
findings
indicate
a
positive
correlation
between
average
velocity
rate.
factors
friction,
angle,
offset
distance
motion
robot.
Furthermore,
during
robot’s
traversal
through
narrow
pipe
sections,
sealing
discs
undergo
irregular
deformation,
generating
reaction
on
inducing
vibration.
conclusion,
analysis
impact
behaviour
offers
theoretical
foundation
reference
successful
launch
Journal of Pipeline Systems Engineering and Practice,
Journal Year:
2022,
Volume and Issue:
14(1)
Published: Nov. 29, 2022
Burst
pipes
can
cause
severe
pressure
drops
and
water
pollution
in
distribution
networks.
Small
leaks
develop
into
pipe
bursts
over
time
due
to
interactions
between
pipes,
water,
soil.
This
paper
presents
preliminary
experimental
results
on
the
erosion
of
outer
wall
a
by
solid
particles
when
leak
occurs
pressurized
causes
soil
fluidization.
A
series
experiments
were
carried
out
with
50-mm-diameter
3-mm-wall-thickness
polyethylene
(PE)
various
holes
buried
silica
sand
bedding.
The
investigated
effects
size,
shape,
direction
process.
findings
indicated
that
size
had
greatest
impact
rate,
rate
was
nearly
completely
unaffected
geometry
hole
or
orientation.
Journal of Physics Conference Series,
Journal Year:
2022,
Volume and Issue:
2403(1), P. 012020 - 012020
Published: Dec. 1, 2022
Abstract
Perforations
occurred
at
the
weld
of
a
shale
gas
gathering
pipeline
in
Shunan
field.
In
order
to
explore
specific
causes
failure,
this
paper
carried
out
analysis
by
means
Macroscopic
detection,
Mechanics
property
analysis,
Metallographic
Scanning
electron
microscopy
(SEM),
Energy
spectrum
(EDS)
and
other
means.
The
results
show
that
CO
2
corrosion
is
main
cause
failure
flat
pipeline.
addition,
there
are
obvious
defects
large
residual
stress,
coupled
with
presence
S
element,
which
directly
aggravate
perforation
weld.
paper,
reasons
for
field
explored,
can
provide
some
reference
anti-corrosion
A
failure
occurred
during
the
service
period
of
gas
mine
outfall
pipeline
in
Sichuan
Province,
and
a
perforation
was
realized
pipe
section
at
9
o'clock
multiple
corrosion
pits
12
o'clock.
In
order
to
find
out
cause
failure,
hardness
test
performed
on
sample
determine
mechanical
properties
pipe,
metallographic
analysis
tissue
properties.
The
tube
scanned
by
electron
microscope
analyzed
energy
spectrum,
it
found
that
due
CO2.
Journal of Physics Conference Series,
Journal Year:
2023,
Volume and Issue:
2499(1), P. 012015 - 012015
Published: May 1, 2023
Abstract
The
wall
thickness
of
the
sewage
pipeline
on
a
shale
gas
platform
is
seriously
reduced.
In
order
to
explore
specific
reasons
for
failure,
this
paper
carried
out
analysis
by
means
macroscopic
inspection,
mechanical
property
test,
chemical
composition
base
metal
and
corrosion
product
analysis.
results
show
that
site
corroded
most
at
5
o
′clock
12
near
outlet,
liquid
accumulation
containing
CO
2
main
reason
serious
failure
inner
pipeline.
This
explores
platform,
provides
reference
prevention
