TERMIUM Plus®

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DURETE EXTREME [2 records]

Record 1 2000-06-14

English

Subject field(s)
  • Equipment (Oil and Natural Gas Extraction)
  • Oil and Natural Gas Extraction
  • Mining Equipment and Tools
DEF

A type of roller-cone bit or rock bit; ...

CONT

Tungsten carbide insert bits are usually used to drill extremely hard formations.

OBS

For very hard rock drilling, bits with chisel-shaped tungsten carbide inserts have been used. These crush the formation as the bit rotates.

French

Domaine(s)
  • Outillage (Extraction du pétrole et du gaz)
  • Extraction du pétrole et du gaz naturel
  • Outillage et équipement (Exploitation minière)
CONT

Pour les terrains très durs et abrasifs, on utilise [...] des outils à pastilles de carbure de tungstène, serties dans les cônes, ainsi que des outils diamantés [...]

OBS

Dans la roche très dure, des dents diamantées ou en carbure de tungstène sont utilisées [...]

OBS

L'outil [...] comporte trois rouleaux dentés [...] munis de dents en carbure de tungstène, matériau choisi pour son extrême dureté [...]

Spanish

Campo(s) temático(s)
  • Equipo para extracción de petróleo y gas natural
  • Extracción de petróleo y gas natural
  • Equipo y herramientas (Explotación minera)
Save record 1

Record 2 1997-01-29

English

Subject field(s)
  • Coins and Bank Notes
  • Numismatics
  • Coining
OBS

extreme hardness of a die

French

Domaine(s)
  • Pièces de monnaie et billets de banque
  • Numismatique
  • Monnayage
OBS

dureté extrême d’un coin

Spanish

Save record 2

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