Here are a few examples of drilling technology that will try and drill 10-30 km down through the crust into areas with enough heat to make supercritical steam. Lasers, plasma, etc. Russians did it the hard way back in the day.

https://www.foroenergy.com/drilling

https://www.ieg.fraunhofer.de/en/references/ppgd.html

https://www.sciencedirect.com/science/article/pii/S199582262...

https://www.wired.com/story/new-tech-cuts-rock-without-grind...