U.S. Geothermal Energy for Volcanic Water Injection
US geothermal energy developers plan to inject about 100 million liters of water into Newberry Volcano in central Oregon this summer to test the latest geothermal energy technology.
Newberry Volcano is a dormant volcano that erupted for the first time before the glacial season of the fourth season, producing two volcanic lakes and 400 volcanic ash cones. It has been dormant for 1300 years now.
Alta Rock Energy plans to use 21 days this summer to pump cold water into pre-cut experimental wells at a rate of about 3,637 liters per minute. The depth of the experimental well is about 3231 meters. Below is a seamless rock formation with a temperature of more than 100 degrees Celsius.
According to the assumption, water pressure will cause fine cracks in seamless rock formations, triggering microseisms and forming water storage spaces. At the same time, the water is in contact with the rock formations and the temperature rises.
Scientists will use sensitive seismic detectors to draw a picture of the rupture of the rock formation. After the fracture diameter reaches a certain level, another "production well" will be drilled. This will form a closed circuit, and the water vapor can be brought to the ground and steam driven. Turbine, forming electrical energy. This process is called "enhanced geothermal system." (Editor: Lin Xiumin)
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