Gazprom to Gazprom for a fee. In June 2005, Gazprombank, Gazpromivest Holding, Gazfond and Gazprom Finance B. V., subsidiaries of Gazprom, sold a 10.7399% share of their stock for $7 billion to , a state owned company. Some analysts said the amount paid by Rosneftegaz for the stock was too low. The sale was completed by 25 December 2005. With the purchased stock and the thirty-eight percent share held by the State Property Committee, the Government of Russia gained control of Gazprom. The Government of Russia revoked the Gazprom twenty percent foreign ownership rule and the company became open to foreign
Kovykta field the field to state-owned Rosneftegaz, but failed. On 1 March 2011, Gazprom bought Rusia Petroleum's assets, including rights for the Kovykta field, for $711 million. The reserves of Kovykta amount to 2 trillion cubic meters of natural gas and more than 83 million tons of gas condensate. The period of active gas production in the Kovykta field is expected to be 30 years, and the period of field development about 50 years. The field was developed by Rusia Petroleum, 62.9% of which is owned by TNK-BP. 24.99% is owned by the power generating company OGK-3. The Kovykta field is considered