Reuters | Oil prices rise on geopolitical worries, shrugs off US build Reuters The market was also supported by concerns around oil output from Venezuela. U.S. oil major Chevron Corp (CVX.N) has evacuated executives from Venezuela after two of its workers were imprisoned over a contract dispute with state-owned oil company PDVSA ... Oil Wavers as Iran Nuclear Talks Overshadow U.S. Inventory Data ... Trump's oil tweet aimed at Saudi Arabia as prices rise Why OPEC has President Trump over a barrel on oil prices |