An anonymous reader writes: A group of geothermal power engineers have created three reservoirs from a single well in a place where none existed previously. This is a breakthrough for Enhanced Geothermal System technology — people who need power often can't choose a spot where there happens to be a geothermal reservoir, and EGS could allow us to create them where needed. 'Last fall, engineers pumped cold water into the ground, cracking open fissures in the deep rock, a process known as hydroshearing. They then sealed one reservoir from the other using a new technology. They injected ground-up recycled plastic bottles, which plugged up the cracks in one reservoir while millions of gallons of cold water were being pumped in to create another. Then the plastic diffused, leaving behind three reservoirs.
... The U.S. Department of Energy, which is covering half the $43.8 million cost of the Newberry project, says if the initial indications hold up, the Newberry project would mark the first time in the world that multiple geothermal reservoirs have been created on purpose from a single well in a new area.'
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