Gazprom Shanghai, Gazprom and the China National Petroleum Corporation made a contract worth $400 billion over thirty years. The contract was for Gazprom to deliver 38 billion cubic meters of natural gas per year to China beginning in 2018. In August 2014, construction began with pipes for the Power of Siberia pipeline delivered to Lensk, Yakutia. Russia will start supplying natural gas to China through the Power of Siberia pipeline on December 20, 2019 as part of the two countries' $400 billion energy pact. Beijing and Moscow are now negotiating over a second Far Eastern gas pipeline. In April 2001, Gazprom
Gazprom in the Nadym-Pur-Taz region (near the Gulf of Ob) in Yamalo-Nenets Autonomous Okrug in Western Siberia. Historically, the three largest fields are Medvezhe, Urengoy and Yamburg. After more than twenty years of production, the fields are now in decline. Production from the fields has decreased by twenty to twenty-five bcm per year. The production at Zaporliarnoe, Gazprom's fourth largest field, increased until 2004, offsetting the decline in the other fields. Since 2004, Gazprom has maintained production by activating new smaller fields and by purchasing production assets from other companies. Gazprom Neft produces crude oil. In 2005, Gazprom purchased 75 percent