The
well,
part
of
a
multi-well
exploration
programme,
represents
ExxonMobil's
first
prospecting
foray
in
Colombia
since
leaving
it
following
the
unsuccessful
Tayrona
offshore
well
in
2007.
This
first
Vetra-operated
shale
well
will
only
investigate
the
unconventional
Cretaceous
La
Luna
and
Rosablanca
formations.
It
will
be
a
vertical
probe
used
for
coring
and
logging.
Two
subsequent
wells
will
be
horizontal
probes
with
multi-stage
fracks.
Mono
Arana
will
also
test
Tertiary
oil-bearing
sandstone,
it
is
understood.
ExxonMobil
farmed
into
the
VMM-2
Block
earlier
this
year,
assuming
a
majority
stake
and
promising
to
fund
the
programme.
The
second…
