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Fiche 1,  Justifications,  Anglais

Record number: 1, Textual support number: 1 DEF

A derrick that is built piece by piece at the drilling location as opposed to a jackknife mast, which is a portable, folding mast that is already assembled.  1, fiche 1, Anglais, - standard%20derrick

Record number: 1, Textual support number: 1 CONT

Standard derricks have been replaced almost totally by jackknife masts; however, in some deep drilling locations and on some offshore drilling rigs, they are still employed.  1, fiche 1, Anglais, - standard%20derrick

Fiche 1,  Justifications,  Français

Record number: 1, Textual support number: 1 CONT

derrick. Tour de forage. Chevalement métallique [...] dressé à l'endroit où doit être effectué un forage, pour l'exécution des manœuvres de levage et de descente des outils dans les puits. À l'heure actuelle, le derrick classique tend de plus en plus à être remplacé par des mâts de forage, plus maniables.  1, fiche 1, Français, - derrick%20classique

Record number: 1, Textual support number: 2 CONT

mât de forage. Installation de forage constituée par deux poutres à treillis en forme de V renversé [...] Les mâts se substituent de plus en plus aux derricks traditionnels dans la mesure où ils sont installés plus facilement et plus rapidement.  1, fiche 1, Français, - derrick%20classique

Fiche 1,  Justifications,  Espagnol

Fiche 2,  Justifications,  Anglais

Record number: 2, Textual support number: 1 DEF

A portable mast constructed of angular as opposed to tubular steel members.  2, fiche 2, Anglais, - structural%20mast

Fiche 2,  Justifications,  Français

Fiche 2,  Justifications,  Espagnol

Fiche 3,  Justifications,  Anglais

Record number: 3, Textual support number: 1 DEF

A portable mast that is capable of being erected as a unit, usually by means of a tackle that hoists the wire line but sometimes hydraulic pistons. Generally the upper section of a telescoping derrick is nested(telescoped) inside the lower section of the structure and raised to full height by the wire line or by hydraulic means after it is in vertical position.  3, fiche 3, Anglais, - telescoping%20derrick

Fiche 3,  Justifications,  Français

Fiche 3,  Justifications,  Espagnol

Fiche 4,  Justifications,  Anglais

Record number: 4, Textual support number: 1 DEF

To support tubing in the derrick or mast when it is out of the well rather than laying it on a rack.  2, fiche 4, Anglais, - stand%20tubing

Record number: 4, Textual support number: 1 OBS

Portable workover rigs are usually fitted with a mast that holds stands about 60 ft long(doubles).  2, fiche 4, Anglais, - stand%20tubing

Fiche 4,  Justifications,  Français

Record number: 4, Textual support number: 1 OBS

(à la verticale).  1, fiche 4, Français, - soutenir%20le%20tube%20de%20production

Fiche 4,  Justifications,  Espagnol

Fiche 5,  Justifications,  Anglais

Record number: 5, Textual support number: 1 DEF

A mast mounted on a truck and capable of being erected as a single unit.  2, fiche 5, Anglais, - portable%20mast

Fiche 5,  Justifications,  Français

Fiche 5,  Justifications,  Espagnol

Fiche 6,  Justifications,  Anglais

Record number: 6, Textual support number: 1 DEF

A portable servicing or workover rig that is self-propelled, using the hoisting engines for motive power. The driver's cab is mounted on the end opposite the mast support; thus, the unit must be backed up to the wellhead.  2, fiche 6, Anglais, - back%2Din%20unit

Record number: 6, Textual support number: 1 OBS

See carrier rig.  3, fiche 6, Anglais, - back%2Din%20unit

Fiche 6,  Justifications,  Français

Fiche 6,  Justifications,  Espagnol