As
the
development
operator,
CNOOC
has
started
a
base
programme
using
its
subsidiary
COSL’s
jack-up
rig
HYSY
931
to
drill
10
development
wells.
It
is
planned
to
complete
and
tie-in
the
A6
well
drilled
through
the
WZ
6-12
wellhead
platform
during
the
previous
exploration
campaign.
The
economics
of
the
A7
well
were
also
being
evaluated,
according
to
joint
venture
partner
Roc
Oil,
which
added
that
planning
was
underway
for
further
development
drilling
from
the
wellhead
platform
to
account
for
the
discovery
of
additional
pay
zones
in
the
WZ
6-12N-1
vertical
exploration…