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Shale Gas

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by

Lilly Reik

on 25 February 2013

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Transcript of Shale Gas

Reducing our deficit. Reforming our tax code. Fixing our immigration system. Freeing ourselves from foreign oil. We've got more work to do. in 2000 shale gas represents 1% of American natural gas supplies, in 2011 30% shale gas transforms the energy market cleaner and cheaper than other fossil fuels shale gas has produced more than half a million jobs 20 000 shale wells have been drilled barrel=0,11m^3 MCF=28m^3 Fracking 1. vertical bore to the shale

2. horizontal bore through the gas containing rock

3. under high pressure a mixture of water, sand and chemicals is pumped in the rocks -> cracks

4. shale gas escapes to the top, water is cut off, cracks are closing, water gets back to the surface figures in trillion cubic feet Germany This is calculated as a 10 percent extraction rate they believe is achievable from the 6.8 trillion-22.6 trillion cbm of shale gas they have located in the country. (Reuters) between 0.7 trillion and 2.3 trillion cbm of the gas could be technically extracted Why don't we use it in Germany? environmentally unproven energy technology
no renewable energy source
high risk of contamination of fresh water and earthquakes
large amounts of water is needed
destruction of the surrounding economical goals e.g. less reliant on foreign suppliers, decreasing gas prices
bridge until renewable sources mature (David Brooks NYT)
Full transcript