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EIA tots up ‘vast’ shale resources

Shale gas adds 40% to global reserves, but cache could expand

THE energy industry’s worst kept secret is out: techniques to bust open shale deposits have unleashed a mammoth new resource of natural gas in the world. And the latest assessment, by its authors’ own admission, is likely to get much larger. The new study by the US’ Energy Information Administration (EIA) found almost 6,000 trillion cubic feet (cf) of technically recoverable shale-gas reserves in 32 countries. The figure excludes the US, where rapid application of hydraulic fracturing and horizontal drilling has seen shale-gas production rise from 390bn cf in 2000 to 4.87 trillion cf in 2010 – or almost a quarter of the country’s total dry-gas output. But the study did not measure the reso

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