In
a
research
note
predicting
$650
billion
of
deep-water
development
spending
through
2020
-
expected
to
be
driven
by
the
prolific
Santos
basin
in
Brazil
and
a
return
to
growth
in
the
US
Gulf
-
Macquarie
said
deep-water
work
was
riskier
than
other
sources
of
growth
for
big
oil
companies,
but
also
promised
the
highest
returns.
Chevron
was
listed
among
Macquarie's
deep-water
exposure
picks
due
to
its
highly
diversified
portfolio,
the
highest
absolute
exposure,
and
the
highest
relative
exposure
among
the
supermajors.
But
the
other
three
supermajors
-
ExxonMobil,
Shell
and
BP
-…