One
industry
source
goes
so
far
as
to
claim
that
US
regulators
are
leaning
toward
requiring
that
BOPs
be
equipped
with
two
blind
shear
rams
spaced
apart
to
lessen
the
chance
of
having
to
shear
with
the
tool
joint
caught
across
them
in
an
emergency.
“Some
operators
would
like
a
seven-ram
BOP
configuration
and
others
are
happy
with
six,”
says
Cor
Selen,
chief
executive
of
Maersk
Drilling
USA
in
Houston.
“Six
is
sufficient
to
work
in
the
Gulf
of
Mexico
and
all
over
the
world.”
The
Hydril
BOP
on
the
semi-submersible
Maersk…