TERMIUM Plus®

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

JACKKNIFE MAST [1 record]

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Filter results by subject field

Alphabetical list of terms

Record 1 2000-12-07

English

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

A structural-steel, open-sided tower that is raised to the vertical position by means of special lifting tackle attached to the traveling block.

DEF

jack-knife derrick: Commonly used term to a cantilever mast that can be laid down in one piece for moving, as opposed to a standard derrick which has to be dismantled and re-erected, piece by piece.

French

Domaine(s)
  • Outillage (Extraction du pétrole et du gaz)
DEF

[Mât] constitué par des cornières soudées comportant deux parties se télescopant dans la partie inférieure et dont l'ensemble se replie tel un couteau de poche que l'on referme.

Spanish

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