The Ledger
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Araque: Existing geothermal regions reach 800°F closer to 3 miles deep
“Everywhere where you have geothermal today is very likely one of those places where you'll find the 800 degrees Fahrenheit at three miles, closer to three miles than closer to 12 miles.”
Araque: Over 50 super-hot geothermal wells have been drilled worldwide
“And just like that location, I can point to more than 50 wells drilling the world by people looking for super hot hydrothermal systems that are going to be in the three to four mile range and are going to be in the 600 to 800 degrees Fahrenheit. Some of them a…”
Araque: Traditional hydrothermal wells reach at most a mile deep at sub-boiling temperatures
“For traditional hydrothermal not, not very deep at all. You're going maybe a mile at most, and you're getting as hot as what the water that's down there gets you. It's usually sub-boiling. It's hard to get to boiling temperatures. You're talking about 200 degr…”
Araque: 800-degree Fahrenheit rock exists between 3 and 12 miles deep globally
“Always looking for 800 Fahrenheit, and you'll find it anywhere between three miles to 12 miles deep, depending on where you are in the world.”
Araque: 800°F Geothermal Wells Transfer 10x More Power Than 200°F Wells
“So at the end of the day, the same wellbore, let's call it eight inch in diameter, very typical size it will transfer maybe one to 10 megawatts electric equivalent. If it's flowing at 200 degrees Fahrenheit, I will transfer 10 times that if it's flowing at 800…”
Araque: China's 11-km borehole took an entire year for the final kilometer
“The Chinese recently did an eleven-kilometer haul, and I'm switching units because they, it's been reporting those units. So, about eight miles deep. The first 10 kilometers took a year to drill, and the last one kilometer took another year to drill.”