TERMIUM Plus®

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

drill collar [1 record]

Record 1 2005-08-17

English

Subject field(s)
  • Equipment (Oil and Natural Gas Extraction)
  • Oil Drilling
  • Ground-Drilling Facilities (Mining)
DEF

A heavy thick-walled tube, usually steel, used between the drill pipe and the bit in the drill stem to weight the bit in order to improve its performance.

CONT

At the bottom end of the drill pipe are extra-heavy sections called drill collars that serve to concentrate the weight on the rotating bit.

OBS

Sometimes drill collars are called simply collars.

OBS

DC: ... abbreviation for drill collar, used in drilling reports.

PHR

Breaking off of a drill collar.

French

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

Tige de forage spéciale, plus épaisse et plus lourde que les tiges ordinaires, que l'on visse sur le trépan pour le guider et lester le train de tiges.

CONT

Le trépan [...] est [...] surmonté, pour l'alourdir, de barres de charge dites aussi masses-tiges, ou encore de tiges pleines remontant jusqu'au dessus du sol.

OBS

Pluriel : masses-tiges.

Spanish

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