The
worker
fell
out
of
bulldozer
while
moving
coke
ash,
a
byproduct
of
upgrading
tar-like
Orinoco
oil
into
lighter
synthetic
crude.
Petrocedeno
is
a
joint
venture
between
state
oil
company
PDVSA,
France's
Total
and
Norway's
StatoilHydro,
said
a
Reuters
report.
Venezuelan
President
Hugo
Chavez
last
year
nationalised
four
heavy
oil
upgrading
projects
in
the
Orinoco
oil
belt.
…