Hayward
refused
to
condemn
BP
decisions
regarding
well
construction
and
drilling
operations,
saying
that
judgement
would
have
to
wait
until
investigations
into
the
tragedy
are
complete.
Prior
to
the
hearing,
Representatives
Henry
Waxman
and
Bart
Stupak
sent
a
letter
to
BP
outlining
a
laundry
list
of
perceived
failures
in
the
well
design
and
operations
that
they
expected
Hayward
to
address.
The
13-page
letter
specifically
addresses
five
key
BP
decisions
during
the
well
construction;
lowering
a
complete
string
of
casing
rather
than
using
a
tie-back
liner,
using
six
centralisers
while…