Гана улсад алт олборлодог газар
ертөнцийн олон өнгөнөөс ялгарахыг хүснэ. 2014 3 10 The proliferation of activity into new shale plays has increased dry shale gas production in the United States from 1 0 trillion cubic feet in 2006 to 4 8 trillion cubic feet or 23 percent of total U S dry natural gas production in 2010 Wet shale gas reserves increased to about 60 64 trillion cubic feet by ...