The Guardian | $100 a barrel? Will Iran sanctions and Venezuela crisis bring oil price spike? The Guardian Looming Iranian sanctions in November, supply problems in the US and less spare capacity from the Organization of Petroleum Exporting Countries (Opec) all have some crude-oil market participants betting that black gold prices may head to $100 – a price ... Oil prices rise, but still set for weekly fall amid equities rout Oil Pares Weekly Loss as Supply Concerns Offset Flight From Risk Oil prices jump 1% after two days of heavy losses |