4. Batteries: thermoelectric and photoelectric
  5. Thermoelectric
  6. Electric power generator

Robert Nicholas Worrall

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Drilling systems and methods

Boring or penetrating the earth – Processes
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Forge welding process

Electric heating – Metal heating – For bonding with pressure
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Generating electric power in a wellbore

Batteries: thermoelectric and photoelectric – Thermoelectric – Electric power generator
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In-situ casting of well equipment

Metal founding – Process – Shaping liquid metal against a forming surface
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Injecting a fluid into a borehole ahead of the bit

Boring or penetrating the earth – Processes
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Profile ID: LFUS-PAI-P-2489667

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