Low-temperature hydrothermal info
Posted by Greener Tomorrow on October 25th, 2010
Energy is produced from areas with naturally occurring high fluid volumes at temperatures ranging from 80°C (165°F) to 150°C (300°F) using advanced binary cycle technology. Low-Temperature systems have been developed in Alaska, Oregon, and Utah. Geopressure and Co-produced Fluids Geothermal — Oil and/or natural gas produced together with hot geothermal fluids drawn from the same well. Geopressure and Co-produced Fluids systems are currently operating or under development in Wyoming, North Dakota, Utah, Louisiana, Mississippi, and Texas. Enhanced Geothermal Systems (EGS) — Areas with low natural rock permeability but high temperatures of more than 150°C (300°F) are “enhanced” by injecting fluid and other reservoir engineering techniques. EGS resources are typically deeper than hydrothermal and represent the largest share of total geothermal resources. EGS is being pursued globally in Germany, Australia, France, the United Kingdom, and the U.S. EGS is being tested in deep sedimentary basins similar to West Virginia’s in Germany and Australia.
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