The standoff between Iran and the West over the country's nuclear program risks dragging in Saudi Arabia , says Petromatrix analyst Olivier Jakob. 
"One of the risks with Saudi Arabia trying to replace Iran supplies while the West imposes an embargo is...a greater conflict between Iran and Saudi Arabia ," he says. 
"We should not forget that the initial start of the Iraqi attack on Kuwait had something to do with Kuwait over-producing and taking the market share of Iraq ." Some Japanese oil buyers have already approached Saudi Arabia over a replacement for Iranian crude.