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...Department of Energy, C02 sequestration technologies are in their infancy. While C02 can be injected to help bring trapped oil to the surface, the C02 eventually escapes. So for the foreseeable future, enhanced oil recovery does not "efficiently...
http://www.peninsulaclarion.com/stories/083007/oped_3648.shtml
...contractors are trying a new approach with mobile heating units that blow hot air into the ground in an attempt to release trapped oil. ''It's pretty slow,'' said Kalu Kalu, an Alyeska official who is overseeing the cleanup. ''We don't seem...
http://www.peninsulaclarion.com/stories/111101/ala_111101alapm0010001.shtml
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