Brazil's Petrobras aims to unlock millions of barrels of offshore crude through new project
A
Petrobras
project
aimed
at
testing
the
potential
benefits
of
underbalanced
drilling
is
seen
by
the
operator
as
having
the
potential
to
unlock
millions
of
barrels
of
offshore
crude
that
would
otherwise
be
commercially
unviable.
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