Permeability evolution of uranium reservoirs under multi-field coupling (gas-temperature-force-seepage) and artificial intelligence multi-parameter target optimization study
Physics of Fluids,
Год журнала:
2025,
Номер
37(3)
Опубликована: Март 1, 2025
In
insitu
leaching
uranium
mining,
insufficient
permeability
of
the
rock
formation
is
a
primary
bottleneck
limiting
resource
extraction.
This
study
focuses
on
sandstone-type
mine
in
Xinjiang,
where
coupled
gas-temperature-force-seepage
model
was
developed
using
finite
discrete
element
method.
The
rock's
damage
mechanism
and
evolution
during
blasting
for
enhancement
were
systematically
analyzed.
First,
three-factor,
five-level
orthogonal
numerical
experiment
designed
to
quantify
effects
uncoupling
coefficient,
short
delay
time,
pressure
rise
time
fracture
network
expansion.
optimal
parameter
combinations
reservoir
modification
identified,
regulatory
geostress
sequence
connectivity
elucidated.
Second,
effect
injection
reservoir's
range
flow
distribution
analyzed,
providing
theoretical
support
optimization
parameters.
Finally,
an
framework
combining
machine
learning
genetic
algorithms
introduced
further
enhance
rate.
accurately
predicts
rate
optimizes
eXtreme
Gradient
Boosting
model.
results
show
that
maximum
3.2491
×
10−4
m3
s−1
can
be
achieved
under
various
combinations,
demonstrating
robustness
broad
applicability
framework.
provides
additional
insights
into
reservoirs.
Язык: Английский
Analysis of dominant flow in tectonic coal during coalbed methane transport
Physics of Fluids,
Год журнала:
2024,
Номер
36(10)
Опубликована: Окт. 1, 2024
Diffusion
and
seepage
are
the
main
flow
forms
of
coal
seam
gas
transport,
one
key
factors
in
selection
extraction
improvement
methods.
Changes
physical
structure
tectonic
make
transport
more
complex
during
coalbed
methane
extraction.
In
this
paper,
we
develop
a
multi-field
coupled
model
seams,
taking
into
account
effects
tectonics,
theoretically
analyze
dominant
patterns
for
Then,
evolution
dominated
is
analyzed
different
initial
pressures,
permeabilities,
diffusion
coefficients
intact
seams.
The
results
show
that
amount
daily
increases
with
pressure
reservoir,
but
decreases
coefficient
reservoir.
Methane
has
longer
control
time
than
at
For
reservoir
coefficients,
maximum
20,
17,
15
times
coal,
respectively.
Finally,
discrepancies
were
by
using
double
bottleneck
model,
methods
enhanced
discussed.
presented
paper
may
provide
theoretical
reference
differentiated
Язык: Английский
Spatial Clustering of Primary Geochemical Halos Using Unsupervised Machine Learning in Sari Gunay Gold Deposit, Iran
Mining Metallurgy & Exploration,
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 16, 2024
Язык: Английский
Digitization of the mining industry: Pathways to sustainability through enabling technologies
Resources Policy,
Год журнала:
2024,
Номер
100, С. 105450 - 105450
Опубликована: Дек. 24, 2024
Язык: Английский
Analysis of the Effect of Coal and Mineral Mining Safety Management System (SMKP Minerba) Implementation on the Mineral Exploration Drilling Company’s Safety Mining Performance at PT.
Revista de Gestão Social e Ambiental,
Год журнала:
2024,
Номер
18(5), С. e07529 - e07529
Опубликована: Июль 23, 2024
Background:
In
Indonesia,
mining
companies
such
as
PT
X,
which
has
an
IUJP
for
mineral
exploration
drilling,
must
implement
SMKP
Minerba.
This
system,
is
aligned
with
government
guidelines,
includes
seven
elements
Policy,
Planning,
Organization,
Implementation,
Evaluation,
Documentation,
and
Review.
Research
purposes:
The
objective
to
analyse
the
effect
of
implementing
Mineral
Coal
Mining
Safety
Management
System
(SMKP
Minerba)
on
work
safety
performance
Exploration
Drilling
Company
at
X.
methods:
study
used
a
descriptive
quantitative
method
case
approach,
Minerba
documents,
including
Performance
records.
Descriptive
statistics,
simple
linear
regression,
Pearson
Correlation
assessed
variable
impacts
relationships.
From
144
engineers,
Slovin
formula
required
minimum
sample
98.
result:
reported
that
Internal
Audit
achieved
score
84.1%.
was
evaluated
across
four
key
indicators.
Worker
Participation,
Leadership
Responsibility,
Incident
Analysis
Statistics,
Occupational
Diseases
Incidents,
Risk
Control
Efforts,
yielding
overall
0.78
out
1,
placing
it
in
"Planned"
category.
correlation
analysis
indicated
positive
association
between
Position,
Tenure,
Scores
Performance.
ANOVA
demonstrated
significant
impact
Position
Tenure
Conclusion:
found
employees
holding
higher
positions,
possessing
longer
tenure,
achieving
audit
scores
exhibited
superior
performance.
application
positively
influences
operations
contributing
sustainable
enhancement
practices
Indonesia.
Язык: Английский
Analysis of the Impact of ground vibration on the blast zone within a 200-meter radius based on the values of peak particle velocity and peak vector sum at CV. Handika Karya, Yogyakarta, Indonesia
BIO Web of Conferences,
Год журнала:
2024,
Номер
146, С. 01067 - 01067
Опубликована: Янв. 1, 2024
CV.
Handika
Karya
is
a
private
mining
company
that
focuses
on
andesite
and
operates
in
Hargorejo
Village,
Kokap,
Kulon
Progo
Regency.
To
ensure
the
achievement
of
production
goals,
exposure
action
carried
out
through
blasting
process.
The
use
method
can
cause
effect
due
to
ground
vibrations
has
potential
damage
surrounding
buildings.
Civilians
were
within
200
m
radius
explosion
site.
Controlling
resulting
essential
comfort
nearby
civilians.
measurement
location
divided
into
four
areas
considering
direction,
distance,
elevation
difference
slope
face,
presence
After
conducting
research
determine
value
peak
particle
velocity
(PPV)
vector
sum
(PVS),
there
are
incidents
where
PPV
exceeds
3
mm/s
PVS
5
mm/s,
which
exceeded
specified
limits.
Therefore,
an
updated
review
seismic
wave
values
necessary.
Data
analysis
was
using
Scaled
Distance
Theory
with
parameters
distance
from
maximum
mass
explosives,
safe
limit
approach
according
SNI
7571:2010.
first
objective
this
amount
explosive
be
used
for
while
maintaining
less
than
location.
analysis,
it
discovered
explosives
83.4
kg/delay.
second
at
various
locations.
Язык: Английский