Frontiers in Earth Science,
Journal Year:
2024,
Volume and Issue:
12
Published: March 7, 2024
Underground
gas
storage
(UGS)
is
the
most
economical
and
effective
means
to
guarantee
stable
supply.
During
production
process,
evaporation
of
formation
water
leads
increase
content
in
gas,
salinity
remaining
increases.
This
work
applied
numerical
simulation
analyze
effect
salt
deposition
on
flowing
bottomhole
pressure,
capacity
capacity.
The
results
show
that
minimum
maximum
pressure
UGS
more
likely
be
reached
during
multi-cycle
under
conditions
deposition.
Under
initial
condition,
reservoir
drying
can
improve
At
end
tenth
cycle,
increases
by
1.4%.
It
concluded
study
impact
helpful
for
prevention
control
with
high
salinity.
Petroleum Science,
Journal Year:
2024,
Volume and Issue:
21(4), P. 2554 - 2570
Published: March 1, 2024
In
the
early
time
of
oilfield
development,
insufficient
production
data
and
unclear
understanding
oil
presented
a
challenge
to
reservoir
engineers
in
devising
effective
development
plans.
To
address
this
challenge,
study
proposes
method
using
mining
technology
search
for
similar
fields
predict
well
productivity.
A
query
system
135
analogy
parameters
is
established
based
on
geological
engineering
research,
weight
values
these
are
calculated
algorithm
establish
an
system.
The
fuzzy
matter-element
then
used
calculate
similarity
between
fields,
with
having
greater
than
70%
identified
as
fields.
Using
sample
data,
8
important
factors
affecting
productivity
Pearson
coefficient
mean
decrease
impurity
(MDI)
method.
prediction
models,
linear
regression
(LR),
random
forest
(RF),
support
vector
(SVR),
backpropagation
(BP),
extreme
gradient
boosting
(XGBoost),
light
machine
(LightGBM)
algorithms
used.
Their
performance
evaluated
determination
(R2),
explained
variance
score
(EV),
squared
error
(MSE),
absolute
(MAE)
metrics.
LightGBM
model
selected
30
wells
PL
field
average
only
6.31%,
which
significantly
improves
accuracy
meets
application
requirements
field.
Finally,
software
platform
integrating
query,
analogy,
prediction,
knowledge
base
identify
patterns
massive
provide
valuable
technical
references
new
development.
Petroleum Science,
Journal Year:
2024,
Volume and Issue:
21(4), P. 2502 - 2519
Published: March 8, 2024
In
order
to
overcome
the
defects
that
multi-well
typical
curves
analysis
of
shale
gas
reservoirs
is
rarely
applied
engineering,
this
study
proposes
a
robust
production
data
method
based
on
deconvolution,
which
used
for
inter-well
interference
research.
study,
conceptual
trilinear
seepage
model
multi-stage
fractured
horizontal
wells
was
established,
and
its
Laplace
solutions
under
two
different
outer
boundary
conditions
were
obtained.
Then,
an
improved
pressure
deconvolution
algorithm
normalize
scattered
data.
Furthermore,
curve
fitting
carried
out
by
using
solution.
Finally,
some
reservoir
parameters
fracturing
interpreted,
intensity
compared.
The
effectiveness
verified
analyzing
dynamic
six
in
Duvernay
area.
results
showed
effect
greatly
due
mutual
restriction
between
calculation
parameter
debugging
debugging.
Besides,
morphological
characteristics
log-log
time
corresponding
intersection
point
models
conditions,
strength
same
well
platform
judged.
This
work
can
provide
reference
optimization
spacing
hydraulic
measures
wells.
Physics of Fluids,
Journal Year:
2024,
Volume and Issue:
36(10)
Published: Oct. 1, 2024
The
reduction
in
well
spacing
for
multi-fractured
horizontal
wells
(MFHWs)
and
the
increase
infill
drilling
exacerbate
risk
of
fracture
communication.
This
presents
substantial
challenges
rate
transient
analysis
parent–child
system.
study
proposes
an
improved
two-phase
straight-line
method
to
evaluate
linear
flow
parameters
multiple
communicating
MFHWs
shale
gas
reservoirs.
Considering
adsorption–desorption
mechanisms,
nonuniform
length
fractures,
stress-dependent
effects,
matrix
shrinkage
productivity
equation
is
established
within
dynamic
drainage
area
(DDA).
Subsequently,
we
develop
a
three-well
square
root
time
plot
based
on
DDA
correction
propose
rigorous
workflow
evaluating
single-well,
two-well,
systems.
straight
lines
parent
well's
exhibit
varying
degrees
jumps,
depending
frequency
After
communication,
it
necessary
adjust
cumulative
production
accurately
recalculate
average
pressure
area.
Numerical
simulations
are
employed
generate
series
cases
under
different
reservoir
conditions
validate
accuracy
proposed
model.
results
show
that
model
estimates
half-lengths
with
errors
8%,
meeting
precision
requirements
field
applications.
Additionally,
exceeds
numerical
computational
speed.
Two
case
studies
WY
Basin,
China,
further
illustrate
effectiveness
practicality
method,
providing
theoretical
support
hydraulic
fracturing
construction
design
development
planning.
