RIA Novosti cited Mr Igor Sechin Russian Deputy Prime Minister of Russia as saying that the country will invest at least USD 100 billion in developing major gas fields in the next five years.
He said that upgrading Russia existing infrastructure would cost up to USD 900 billion. He added that in spite of a severe economic crisis in the Soviet Union in the late 1980s-early 1990s, gas industry had overcome the dire straits without losses.
Mr Igor Sechin said massive investment in the past 10 years have helped Russia to recover its positions in the gas market and have strengthened overall global energy security.