geothermal drilling Archives – The Green Optimistic green tech news, since 2008 Thu, 10 May 2012 08:47:45 +0000 en-US hourly 1 https://wordpress.org/?v=7.0 2667534 Gas Resulting from Geothermal Drilling Causes Respiratory Diseases in Iceland https://www.greenoptimistic.com/hydrogen-sulfide-respiratory-disease-20120510/ https://www.greenoptimistic.com/hydrogen-sulfide-respiratory-disease-20120510/#respond Thu, 10 May 2012 04:07:01 +0000 https://www.greenoptimistic.com/?p=24408 A three-year study performed in Iceland revealed that toxic gases associated with geothermal drilling can be dangerous to human health. The study found a link between underground-originating hydrogen sulfide (the rotten eggs-smelling substance) and asthma and various respiratory diseases. The hydrogen sulfide had been measured next to a busy intersection in Reykjavik, from March 2006 […]

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]]> https://www.greenoptimistic.com/hydrogen-sulfide-respiratory-disease-20120510/feed/ 0 24408 How Old Oil Wells Could Become Geothermal Energy Sources https://www.greenoptimistic.com/oil-gas-wells-geothermal-energy-20111124/ https://www.greenoptimistic.com/oil-gas-wells-geothermal-energy-20111124/#respond Thu, 24 Nov 2011 10:10:27 +0000 https://www.greenoptimistic.com/?p=21273 One of the main costs when harvesting geothermal energy is the digging itself. Just like oil wells, geothermal wells have to be several kilometers deep, because temperature rises along by 50 degrees Celsius with every kilometer. This is where abandoned oil wells could help generate clean electricity. A team of researchers from the Chinese Academy […]

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]]> https://www.greenoptimistic.com/oil-gas-wells-geothermal-energy-20111124/feed/ 0 21273 Earthquakes: The Other Side of Drilling for Geothermal Power https://www.greenoptimistic.com/geothermal-drilling-earthquakes-20090702/ https://www.greenoptimistic.com/geothermal-drilling-earthquakes-20090702/#comments Thu, 02 Jul 2009 15:45:03 +0000 https://www.greenoptimistic.com/?p=3897 Geothermal technology surely is one of the cleanest technologies available to us, extracting clean heat from the hot underground. This energy source is often seen as inexhaustible, and its benefits seem to outweight its weak points. For decades, geothermal companies have been drilling into Earth's crust at depths of over 4-5km.

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