Russian oil is still finding its way to buyers around the world. Here's how While Western countries have banned most Russian oil imports, there aren’t any rules preventing Western ships from delivering to buyers such as China and India, or from providing services such as insurance — so long as the G7 price caps are respected. The dark fleet is believed to have a large contingent of vessels older than 15 years, the age at which mainstream oil companies would typically retire them due to wear and tear