Gazprom Neft attempted a merger with Yukos that would have created Russia's largest oil company, YukosSibneft. The first attempt in 1998 failed over a management dispute, while second time round Sibneft's shareholders called off the deal in November 2003 after the federal government cracked down on Yukos despite the process already being well under way. In September 2005, Gazprom bought 75.7% of Sibneft's shares from Millhouse Capital (Roman Abramovich’s investment vehicle) for US$13.1 billion in Russia's largest corporate takeover. In May 2006, Sibneft was renamed Gazprom Neft. In 2006 Alexander Dyukov was elected as CEO of the company and in 2008 he
Gazprom of the Gazprom Neft shares for $13.1 billion. Gazprom's ability to supply natural gas to domestic market and for reexport has relied to a large extent on imports from Central Asia. In 2007, Gazprom imported a total of from Central Asia: from Turkmenistan, from Kazakhstan, and from Uzbekistan. In particular, Gazprom purchased seventy-five percent of Turkmenistan gas exports in order to supply gas to Ukraine. In 2008, Gazprom paid $130/mcm to $180/mcm for gas from Central Asia. In 2015, Gazprom's proved and probable reserves of natural gas were , a 3.8% increase from the 2011 figure which represented 18.4% of