Gazprom Promgaz Research Institute of Natural Gas VNIIGAZ, ). They added the research of coalbed methane, development of small hydrocarbon fields and planning of natural gas supply as new business fields of the company. One of the main operations became the schemes for gas supply of many regions of Russia. In 2008, Promgaz was renamed to OJSC Gazprom Promgaz. In February 2013, professor Yury Spector became CEO. In 2014, the company projected the general scheme for gas supply of Kyrgyzstan. In 2015, Oleg Andreyev became CEO. OJSC Gazprom Promgaz was renamed to JSC Gazprom Promgaz (). The company projected the general schemes
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