The Biden administration seeks to cut the cost of enhanced geothermal systems by 90% by 2035.
Using CO2 as the geothermal power fluid to generate electricity from low-temperature abandoned hydrocarbon wells can help reduce well costs and optimize energy production. In this paper, a previously developed coupled well/reservoir model is extended to study the effects of fluid properties on thermal output.
Hitting the next well during fracturing happens all the time. Predictably doing that on a large scale in granite looks a lot harder.

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