Speaker
Dr
Michele PIPAN
(University of Trieste)
Description
High resolution imaging and characterization of shallow rock and sediments volumes by means of reflection
seismics
and
ground penetrating
radar
(GPR)
are
powerful
tools
in
the
evaluation
of
shallow
geothermal
systems.
We
exploit
the
sensi,vity
of
GPR
to
porosity
and
fluid
content
to
study
shallow
limestone
volumes
and
to
detect
fracture
networks
and
sectors
characterized
by
larger
porosity.
We
further
apply
reflecion
seismics
to
extend
the
depth
limits
of
GPR,
normally
not
larger
than
few
tens
of
meters
in
rock,
and
reach
depths
of
interest
for
the
analysis
of
aquifers
and
geothermal
systems
(hundreds
to
thousands
meters).
The
study
is
performed
on
a
reservoir
analogue
in
Italy
and
on
a
selected
area
in
the
western
Saudi
Arabia
geothermal
province.
Both
studies
are
based
on
multifold
methods
in
data
acquisition
and
attribute
analysis
in
data
processing.
The
results
obtained
from
a
3D
radar
dataset
show
that
the
effects
of
small size
fractures
(below
the
resolution
limit
of
the
method)
can
be
detected
as
a
global
attenuation
effect
in
the
radar
image
through
the
analysis
of
amplitude
attributes,
while
large
fractures
are
successfully
imaged
across
the
volume.
Several
fractures
possibly
connected
to
the
surface
geothermal
evidences
are
seismically
imaged
up
to
an
approximate
depth
of
500
m
in
the
Arabian
test-site.
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![M. PIPAN][7]
[7]: https://indico.cern.ch/event/263557/picture/40.jpg
Author
Dr
Michele PIPAN
(University of Trieste)
Co-authors
Dr
Anna DEL BEN
(University of Trieste)
Dr
Aref LASHIN
(King Saud University)
Dr
Arianna MOCNIK
(University of Trieste)
Dr
Emanuele FORTE
(University of Trieste)
Dr
Matteo DOSSI
(University of Trieste)
Dr
Nassir S.N. Al-‐Arifi
(King Saud University)
