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EPICYCLIC SPEED REDUCTION GEARBOX [1 record]

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Record 1 2005-06-17

English

Subject field(s)
  • Equipment (Oil and Natural Gas Extraction)
  • Geothermal Energy
CONT

... probably the most successful drill without a rotating stem is the Bristol-Siddeley turbo-drill, designed by Sir Frank Whittle. This incorporates a compact multi-stage turbine motivated by the drilling mud, an epicyclic speed reduction gearbox, and a device for automatically adjusting the pressure on the bit ...

French

Domaine(s)
  • Outillage (Extraction du pétrole et du gaz)
  • Énergie géothermique
CONT

[...] le forage sans rotation de la tige le plus réussi est probablement le trépan à turbine hydraulique Bristol-Siddeley, conçu par sir Frank Whittle. Cet appareil comporte une turbine à plusieurs étages mue par la boue de forage, une boîte de vitesses à réducteur de vitesse épicyclique et un dispositif automatique réglant la pression sur le trépan suivant la résistance de coupe [...].

Spanish

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