Converting old oil and gas wells
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As states seek out much-needed supplies of clean, reliable energy, some are looking to an unconventional source: abandoned oil and gas wells harnessed for geothermal heat.
Millions of inactive wells are littered across the United States, the relics of earlier eras of fossil fuel production. A large number of the sites have no official owner, and many are still polluting groundwater and leaking heat-trapping methane. The country has barely scratched the surface in dealing with this problem.
Policymakers in both Republican- and Democratic-led states are exploring whether these sites could instead be converted into new wells for producing geothermal energy. The holes are already drilled in the ground, after all. And regions with widespread oil and gas development have rich subsurface data that geothermal firms need in order to determine where and how to build their carbon-free systems.
The concept is relatively new and largely untested, though scientists and startups are working to change that. States are also laying the groundwork for action by lifting regulatory hurdles and launching in-depth studies
.https://www.wired.com/story/oil-wells-second-life-clean-energy/
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This would be so fantastic. An abandoned well is what cause the explosion that destroyed the downtown area of my hometown a few years ago.
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