While
it
has
been
clear
for
months
that
the
pull-back
in
oil
prices
and
searing
costs
have
begun
to
temper
the
race
to
tap
into
the
country's
shale
oil
plays,
Baker
Hughes
chief
executive
Martin
Craighead's
comments
were
the
bluntest
yet
to
suggest
that
crude
oil
prices
are
already
hovering
near
a
key
break
point,
Reuters
reported.
Companies
tapping
the
vast
US
bounty
of
shale
and
other
tight
oil
plays
may
be
scrutinizing
some
higher-cost
production
after
West
Texas
Intermediate
prices
slumped
in
the
second
quarter,
Craighead
said
in
a
conference
call…