The
Anglo-Dutch
supermajor
was
able
to
begin
top-hole
drilling
and
other
prep
work
on
the
Burger-A
well
in
the
Chukchi
Sea
and
the
Sivulliq
well
in
the
Beaufort
Sea,
a
scaled-back
version
of
original
plans
delayed
by
equipment
issues
and
sea
ice,
among
other
things.
"The
mandatory
close
of
the
offshore
Alaska
drilling
window
brings
to
an
end
a
season
in
which
we,
once
again,
demonstrated
our
ability
to
drill
safely
and
responsibly
in
the
Arctic,"
a
spokeswoman
said
Wednesday.
"This
year,
we
had
both
rigs
drilling
in
theatre
at
the
same
time,…