UPDATE 3-U.S. prepared to authorize Chevron to boost Venezuela's oil output
U.S. ready to allow oil giant to produce, sell Venezuelan oil*Chevron is owed billions in unpaid debts by state-run PDVSA*U.S. aims to shift Venezuelan oil...
U.S. ready to allow oil giant to produce, sell Venezuelan oil*Chevron is owed billions in unpaid debts by state-run PDVSA*U.S. aims to shift Venezuelan oil...