Russia’s Rosneft will this week take custody of its first independently sourced cargo of Kurdish crude oil from Turkey’s port of Ceyhan, a key step in its strategic push into Middle East energy markets and its attempts to expand trading. The world’s largest listed oil company by output has spent the past four months trumpeting agreements to buy oil from Egypt, Libya and Iraqi Kurdistan, drilling exploration wells in southern Iraq and mulling opportunities in Lebanon, as it chases deals to fuel its fledgling international expansion.