Oil workers hang a Venezuelan flag at the Jose Complex during celebrations in Barcelona, Venezuela, May 1, 2007, as the state-run oil company PDVSA takes control of oil fields in the Orinoco Belt. Photo: Jorge Silva/Reuters/file photo.

Oil workers hang a Venezuelan flag at the Jose Complex during celebrations in Barcelona, Venezuela, May 1, 2007, as the state-run oil company PDVSA takes control of oil fields in the Orinoco Belt. Photo: Jorge Silva/Reuters/file photo.