英伦广角 2012-04-21 水力压裂法开采页岩天然气引发地震（在线收听）

 So water then pumped that chemical’s high pressure into the rock to create not officious fractures that allows gas to flow into the well ball which then captured. Another words driven the UKs so far have been production tested. So, there is no official reserve estimate how much gas could actually to produce the Cuadrilla, the  company the heart of  the claims, the tram claims say they found 200 trillion cubic feet of gas that equal to nearly 70 years of demand in Britain current levels and IGas thinks its gas deposit in Lancashire could be around 10 trn cubic fee now not would be allowed use load by analysts say just 10% of that could be equal, be equal to around right a quarter of  the UK’s annual  gas demand.