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What is the real cost of shale gas? / Kenneth Medlock, Oil Earth, 10/12/2013http://www.oilearth.com/n/What_is_the_real_cost_of_shale_gas/f4b6eb06c141.aspxUS shale gas production has grown from around 4 billion cubic feet (bcf) per day in 2007 to around 26 bcf/day in 2012. US gross natural gas production has grown from a plateau of 2 trillion cubic feet (tcf) per month in the period 1995 to 2002 to 2.5 tcf per month in 2012. Some believe this is marching the USA towards energy independence while others believe, owing to costs and decline rates, that this may be an energy bubble...