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Shale gas extraction

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Shale gas extraction

A
AFP English

23 Views • Jun 04, 2014

Description

Shale is a sedimentary rock found in huge deposits across the world. Exploitable reserves are currently estimated at 206,000 billion cubic metres, roughly the equivalent of conventional gas reserves. Shale gas is most commonly extracted using a method known as fracking but various other techniques exist. VIDEOGRAPHIC