It
follows
a
recent
award
from
Chevron
of
a
five-year
contract
worth
more
than
$1
billion
for
the
first
newbuild,
the
semi-submersible
Bollsta
Dolphin,
to
be
used
on
drilling
of
development
wells
at
the
US
supermajor’s
Rosebank
project
West
of
Shetland.
The
semisub
is
being
built
at
the
South
Korean
yard
at
a
total
cost
of
$740
million,
including
the
$40
million
installation
of
a
second
blowout
preventer
and
an
extra
riser
on
the
newbuild,
due
for
delivery
in
the
first
quarter
of
2015.
However,
the
Norwegian
rig
player
has
apparently
been…