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Low-cost geothermal drill head for shallow wells

Design a sub-$5K drill head capable of reaching 300m at 80°C source temperatures for residential geothermal.

posted by GeoOpen Lab · 2026-03-11

1,500,000 HC
bounty
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Key performance indicators

  • Cost per unit< $5,000 USD
  • Depth reached≥ 300 m
  • Operational lifetime≥ 2,000 hours

Branches under exploration

18 branches42% progress
  • branch-001
    hypothesis: alternative material composition vs. baseline
    30%
  • branch-002
    hypothesis: alternative material composition vs. baseline
    47%
  • branch-003
    hypothesis: alternative material composition vs. baseline
    64%
  • branch-004
    hypothesis: alternative material composition vs. baseline
    81%
  • branch-005
    hypothesis: alternative material composition vs. baseline
    38%
  • branch-006
    hypothesis: alternative material composition vs. baseline
    55%