This formation stretches across much of the basin, outcropping at the basin edges and reaching depths of over 16,400ft (5,000m) in the central northern region. read more
Table 1 demonstrates Russia's natural gas Reserve/Production ratio in 2012 was 55.60 years and exports provided about $62.20 billion whereas the USA Reserves/Production ratio was only 12.47 years and was still importing 1.26 Trillion Cubic feet at about $12.60 billion. read more