BSEE
and
the
US
Coast
Guard
had
said
previously
that
a
seep
on
the
ocean
floor
was
“likely”
the
cause
of
a
10-square-mile
oil
sheen
spotted
near
the
supermajor’s
Mars
and
Ursa
production
platforms.
“BSEE,
along
with
natural
seeps
experts
from
the
Bureau
of
Ocean
Energy
Management,
viewed
videotape
from
a
remote
operated
vehicle
survey
deployed
by
Shell
to
make
the
final
determination
confirming
the
ongoing
release
of
oil
from
the
natural
seep,”
BSEE
said
in
a
statement
on
Monday.
The
Coast
Guard
said
on
Thursday
that
the
sheen
was
dissipating.
Shell
had
earlier…