Gazprom plus one share of Sakhalin Energy. In June 2007, TNK-BP, a subsidiary of BP plc, agreed to sell its stake in Kovykta field in Siberia to Gazprom after the Government of Russia questioned BP's right to export gas from Russia. On 23 June 2007, the governments of Russia and Italy signed a memorandum of understanding towards a joint venture between Gazprom and Eni SpA to construct a 558-mile (900 km) gas pipeline to carry gas per year from Russia to Europe. This "South Stream" pipeline would extend under the Black Sea to Bulgaria with a south fork to Italy and
Gazprom Jorma Ollila, Chairman of the Board of Directors of Royal Dutch Shell signed in the presence of Putin and Mark Rutte prime minister of Netherlands a memorandum outlining the principles of cooperation within hydrocarbons exploration and development in the Arctic shelf and a section of the deep-water shelf. In 2008, Gazprom carried out of explorative well drilling; of 2D seismic and of 3D seismic survey. As a result, gas reserves grew by , and crude oil and gas condensate reserves grew by 61 million tons. Gazprom carries out prospecting and exploration in foreign countries such as India, Algeria, Venezuela, Vietnam,