It really depends on what technology platform you want to go with. Quaise Energy a Geothermal drilling company has developed something they call gyrotron powered drilling https://www.quaise.energy/ gyrotron-powered this technology enables  you to utilize a drilling platform that vaporizes boreholes through rock and provides access to deep geothermal heat without complex downhole equipment.

Are you sure you wish to continue to explore traditional drilling methods rather than exploring novel and likely cheaper alternatives to reach your objective?
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