TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

SQUARE BIT DRIVE [1 record]

Record 1 2011-07-20

English

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

A device fitted to the rotary table through which the kelly passes and by means of which the torque of the rotary table is transmitted to the kelly and to the drill stem.

CONT

The drive bushing may be square or hexagonal in shape to fit the rotary opening or have pins for transmitting torque.

OBS

KB: the abbreviation for kelly bushing; used in drilling reports.

OBS

The term "square bit drive" which should be more specifically used for a square-shaped kelly bushing has lost its specificity since a square shape is more generally the rule.

OBS

square bit drive; kelly bushing: terms used at Natural Resources Canada - Earth Sciences Sector.

French

Domaine(s)
  • Outillage (Extraction du pétrole et du gaz)
  • Forage des puits de pétrole
DEF

Pièce qui rend la tige d'entraînement solidaire de la table de rotation.

OBS

(pour la tige carrée, octogonale ou hexagonale).

Spanish

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