Oil rose slightly in early trade on Wednesday as concern over escalating conflict in Europe and the Middle East offset demand worries following an unexpected build in U.S. crude inventories.
Both benchmarks were up by more than a $1 in the previous session after a Ukrainian drone strike led to an oil terminal fire at a major Russian port, according to Russian officials and a Ukrainian intelligence source. An escalating war in the region raises the prospect crude supply from key producers could be disrupted.