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# Geothermal

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.

• A variety of SPE resources and others are available to bring you up to speed on geothermal energy. Bob Pearson, SPE Technical Director of Projects, Facilities, and Construction, highlights several to get you started.
• Calgary-based Eavor Technologies has raised $40 million to build out geothermal systems that use horizontal-drilling technology and may someday give abandoned oil and gas fields a second act. • Utah FORGE has completed the first highly deviated, deep geothermal well to target depth and at planned trajectory, 60 days ahead of schedule. • A$3-million investment by a climate fund founded by TED curator Chris Anderson and an additional $2-million investment by a subsidiary of Helmerich & Payne will fund a hybrid CLG/EGS demonstration well in Texas. Drilling could begin this summer. • The closing date for the ESP tender for the UK’s first geothermal power plant is in early February. • The cutting-edge technological developments in geothermal are devoted to drilling into deeper, hotter, and harder rock. Oil and gas expertise and know-how holds the key to cost reduction. • A Canadian company reports that it has drilled and completed a historic horizontal well in Saskatchewan. • Extending and transferring the high-temperature capabilities of existing E&P technologies could make geothermal energy development possible—and scalable—anywhere in the world. • The new geothermal project development company will offer expertise in subsurface and drilling, project development, and risk mitigation. • Researchers at OU have received$2.5 million of US Department of Energy funding for a three-phase study to develop technologies to increase power production from geothermal wells. The geothermal development research site in Southern California sits on the US Navy’s largest single landholding.
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