The
oil
field
is
part
of
the
country's
massive
offshore
pre-salt
area,
which
Brazil
hopes
will
turn
it
into
a
major
player
in
energy
markets.
The
new
well,
known
as
Tupi
OW,
is
located
at
a
depth
of
2131
metres
(7000
feet)
and
is
270
kilometres
(167
miles)
from
the
coast
of
Rio
de
Janeiro.
Petrobras
holds
a
65%
stake
in
Tupi,
Britain's
BG
Group
has
a
25%
stake
and
Portugal's
Galp
10%.
…